UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 13F

                               FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: 12/31/06

Check here if Amendment [ ]; Amendment Number:
                                               --------
This Amendment (Check only one.):   [ ] is a restatement.
                                    [ ] adds new holdings entries.

Institutional Investment Manager Filing this Report:

Name:    Texas Capital Bancshares
Address: 2100 McKinney Ave, Ste 1400
         Dallas, TX 75201
         Attn: Dave Folz

Form 13F File Number: 28-
                         ------

The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:

Name:  David Folz
Title: Executive Vice President
Phone: 214-932-6625

Signature, Place, and Date of Signing:


/s/ David Folz                               Dallas, TX              2/1/07
-------------------------------------   --------------------   -----------------
[Signature]                                 [City, State]            [Date]

Report Type (Check only one.):

[ ]  13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager
     are reported in this report.)

[ ]  13F NOTICE. (Check here if no holdings reported are in this report, and all
     holdings are reported by other reporting manager(s).)

[X]  13F COMBINATION REPORT. (Check here if a portion of the holdings for this
     reporting manager are reported in this report and a portion are reported by
     other reporting manager(s).)

List of Other Managers Reporting for this Manager:
[If there are no entries in this list, omit this section.]

     Form 13F File Number   Name

     28-
        ----------          ---------------------------------------



                                    FORM 13F
                                  SUMMARY PAGE

Report Summary:

Number of Other Included Managers:        ----------------------------

Form 13F Information Table Entry Total:   ----------------------------

Form 13F Information Table Value Total:   ----------------------------
                                                   (thousands)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment managers with respect to which this report is filed,
other than the manager filing this report.

[If there are no entries in this list, state "NONE" and omit the column headings
and list entries.]

     No.     Form 13F File              Number Name

             28-
     -----      ---------------------   --------------------



                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 12/31/2006              PAGE 1


BELOW IS A LIST OF THE EQUITY SECURITIES THAT YOU HAVE FLAGGED ON YOUR
AUTO-TRUST FILES AS "13 F SECURITIES" WITH A "13 F INVESTMENT DISCRETION" OF
SOLE OR SHARED. SECURITIES ARE LISTED BY SECURITY TYPE AND IN CUSIP NUMBER ORDER
WITHIN EACH SECURITY TYPE. SECURITY POSITIONS WITH AN INVESTMENT DISCRETION OF
NONE, AND SECURITY TYPES 01-06, 12, 15, 16, 18-22, 25-27 AND 34-37 ARE NOT
INCLUDED IN THIS REPORT.

                           FORM 13F INFORMATION TABLE



           COLUMN 1                  COLUMN 2       COLUMN 3 COLUMN 4      COLUMN 5      COLUMN 6  COLUMN 7        COLUMN 8
---------------------------------------------------------------------------------------------------------------------------------
NAME OF                              TITLE OF                  VALUE   SHRS OR SH/ PUT/ INVESTMENT   OTHER     VOTING AUTHORITY
ISSUER                                CLASS          CUSIP   [x$1000]  PRN AMT PRN CALL DISCRETION MANAGERS   SOLE   SHARED  NONE
---------------------------------------------------------------------------------------------------------------------------------
                                                                                           
ACE LTD                        ORD                 G0070K103      312     5158 SH       SOLE                    5158      0     0
AMDOCS LTD                     ORD                 G02602103      461    11900 SH       SOLE                   11900      0     0
ASA BERMUDA LIMITED            COM                 G3156P103       34      531 SH       SOLE                     507      0    24
FOSTER WHEELER LTD             SHS NEW             G36535139       83     1523 SH       SOLE                    1523      0     0
SEAGATE TECHNOLOGY             SHS                 G7945J104      257     9700 SH       SOLE                    9700      0     0
TRANSOCEAN INC                 ORD                 G90078109      279     3460 SH       SOLE                    3460      0     0
WEATHERFORD INTERNATIONAL LT   COM                 G95089101      245     5872 SH       SOLE                    5872      0     0
UBS AG                         SHS NEW             H89231338      349     5798 SH       SOLE                    5798      0     0
ASML HLDG NV                   N Y SHS             N07059111      242     9852 SH       SOLE                    9852      0     0
GENERAL MARITIME CORP          SHS                 Y2692M103       95     2707 SH       SOLE                    2707      0     0
ABB LTD                        SPONSORED ADR       000375204      516    28750 SH       SOLE                   28750      0     0
AFLAC INC                      COM                 001055102      279     6086 SH       SOLE                    6086      0     0
AGL RES INC                    COM                 001204106      116     3002 SH       SOLE                    3002      0     0
AIM STRATEGIC CASH PLUS                            00143C101     7675  7675400 PRN      SOLE                 7675400      0     0
A S V INC                      COM                 001963107       62     3833 SH       SOLE                    3833      0     0
AT&T INC                       COM                 00206R102     1705    47716 SH       SOLE                   47716      0     0
AU OPTRONICS CORP              SPONSORED ADR       002255107       52     3805 SH       SOLE                    3599      0   206
ABBOTT LABS                    COM                 002824100       22      459 SH       SOLE                     459      0     0
ACTIVISION INC NEW             COM NEW             004930202       73     4279 SH       SOLE                    4279      0     0
ADESA INC                      COM                 00686U104      424    15300 SH       SOLE                   15300      0     0
ADIDAS AG                      ADR                 00687A107      288    11565 SH       SOLE                   11565      0     0
AETNA INC NEW                  COM                 00817Y108       10      241 SH       SOLE                     241      0     0
AFFILIATED MANAGERS GROUP      COM                 008252108     1057    10062 SH       SOLE                   10062      0     0
AFFYMETRIX INC                 COM                 00826T108       89     3892 SH       SOLE                    3892      0     0
AGILE SOFTWARE CORP DEL        COM                 00846X105       92    15095 SH       SOLE                   15095      0     0
AGILYSYS INC                   COM                 00847J105      107     6410 SH       SOLE                    6410      0     0
AKZO NOBEL NV                  SPONSORED ADR       010199305      158     2610 SH       SOLE                    2610      0     0
ALASKA AIR GROUP INC           COM                 011659109      162     4110 SH       SOLE                    4110      0     0
ALCOA INC                      COM                 013817101      349    11650 SH       SOLE                   11650      0     0
                                                             -------- --------                              -------- ------ -----
TOTAL FOR PAGE 1                                                15593  7910766                               7910536      0   230




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 12/31/2006              PAGE 2


                           FORM 13F INFORMATION TABLE



           COLUMN 1                  COLUMN 2       COLUMN 3 COLUMN 4      COLUMN 5      COLUMN 6  COLUMN 7        COLUMN 8
---------------------------------------------------------------------------------------------------------------------------------
NAME OF                              TITLE OF                  VALUE   SHRS OR SH/ PUT/ INVESTMENT   OTHER     VOTING AUTHORITY
ISSUER                                CLASS          CUSIP   [x$1000]  PRN AMT PRN CALL DISCRETION MANAGERS   SOLE   SHARED  NONE
---------------------------------------------------------------------------------------------------------------------------------
                                                                                           
ALLERGAN INC                   COM                 018490102     1514    12650 SH       SOLE                   12650      0     0
ALLIANCE IMAGING INC           COM NEW             018606202       87    13170 SH       SOLE                   13170      0     0
ALLIANZ SE                     SP ADR 1/10 SH      018805101      539    26446 SH       SOLE                   26446      0     0
ALLSTATE CORP                  COM                 020002101      214     3294 SH       SOLE                    3294      0     0
AMBAC FINL GROUP INC           COM                 023139108     1283    14410 SH       SOLE                   14410      0     0
AMERICA MOVIL S A B DE C V     SPON ADR            02364W105       99     2201 SH       SOLE                    2111      0    90
AMERICAN EAGLE OUTFITTERS NE   COM                 02553E106       27      883 SH       SOLE                     883      0     0
AMERICAN ELEC PWR INC          COM                 025537101       18      446 SH       SOLE                     446      0     0
AMERICAN EXPRESS CO            COM                 025816109       42      700 SH       SOLE                     700      0     0
AMERICAN FINL GROUP INC OHIO   COM                 025932104       43     1200 SH       SOLE                    1200      0     0
AMERICAN INTL GROUP INC        COM                 026874107      750    10480 SH       SOLE                   10480      0     0
AMERICAN PHYSICIANS CAPITAL    COM                 028884104      121     3040 SH       SOLE                    3040      0     0
AMERICAN STD COS INC DEL       COM                 029712106      296     6469 SH       SOLE                    6469      0     0
AMERIPRISE FINL INC            COM                 03076C106        4       90 SH       SOLE                      90      0     0
AMGEN INC                      COM                 031162100      121     1775 SH       SOLE                    1775      0     0
AMGEN INC                      COM                 031162100       13      200 SH       DEFINED                  200      0     0
AMPHENOL CORP NEW              CL A                032095101     1291    20800 SH       SOLE                   20800      0     0
ANGLO AMERN PLC                ADR                 03485P102       40     1676 SH       SOLE                    1606      0    70
ANHEUSER BUSCH COS INC         COM                 035229103     1250    25420 SH       SOLE                   25420      0     0
ANNTAYLOR STORES CORP          COM                 036115103       32     1000 SH       SOLE                    1000      0     0
APACHE CORP                    COM                 037411105      256     3850 SH       SOLE                    3850      0     0
APOLLO GROUP INC               CL A                037604105       64     1650 SH       SOLE                    1650      0     0
APPLE COMPUTER INC             COM                 037833100       56      670 SH       SOLE                     670      0     0
APRIA HEALTHCARE GROUP INC     COM                 037933108      100     3780 SH       SOLE                    3780      0     0
APPLIED MATLS INC              COM                 038222105      102     5543 SH       SOLE                    5543      0     0
AQUANTIVE INC                  COM                 03839G105       65     2640 SH       SOLE                    2640      0     0
ARCHER DANIELS MIDLAND CO      COM                 039483102      982    30755 SH       SOLE                   30755      0     0
ASSURANT INC                   COM                 04621X108     1330    24080 SH       SOLE                   24080      0     0
ASTRAZENECA PLC                SPONSORED ADR       046353108       32      600 SH       SOLE                     600      0     0
ATMOS ENERGY CORP              COM                 049560105       19      600 SH       SOLE                     600      0     0
AUSTRALIA & NEW ZEALAND        BANKING GROUP LTD   052528304      379     3406 SH       SOLE                    3406      0     0
AUTOMATIC DATA PROCESSING IN   COM                 053015103      270     5500 SH       SOLE                    5500      0     0
BG PLC                         ADR FIN INST N      055434203      332     4862 SH       SOLE                    4862      0     0
                                                             -------- --------                              -------- ------ -----
TOTAL FOR PAGE 2                                                11771   234286                                234126      0   160




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 12/31/2006              PAGE 3


                           FORM 13F INFORMATION TABLE



           COLUMN 1                  COLUMN 2       COLUMN 3 COLUMN 4      COLUMN 5      COLUMN 6  COLUMN 7        COLUMN 8
---------------------------------------------------------------------------------------------------------------------------------
NAME OF                              TITLE OF                  VALUE   SHRS OR SH/ PUT/ INVESTMENT   OTHER     VOTING AUTHORITY
ISSUER                                CLASS          CUSIP   [x$1000]  PRN AMT PRN CALL DISCRETION MANAGERS   SOLE   SHARED  NONE
---------------------------------------------------------------------------------------------------------------------------------
                                                                                           
BP P. L. C.                    SPONSORED ADR       055622104      267     3985 SH       SOLE                    3985      0     0
BSD MED CORP DEL               COM                 055662100      412    78470 SH       SOLE                   78470      0     0
BAKER HUGHES INC               COM                 057224107      595     7971 SH       SOLE                    7971      0     0
BANCO BILBAO VIZCAYA ARGENTA   SPONSORED ADR       05946K101      226     9427 SH       SOLE                    9427      0     0
BANCO BRADESCO S A             SP ADR PFD NEW      059460303      106     2644 SH       SOLE                    2533      0   111
BANK OF AMERICA COR FEB PUT    ## 42.50 02/17/07   0605050NV       16      653 SH  PUT  SOLE                     653      0     0
BANK OF AMERICA CORPORATION    COM                 060505104      939    17600 SH       SOLE                   17600      0     0
BANK NEW YORK INC              COM                 064057102     2267    57620 SH       SOLE                   57620      0     0
BARCLAYS BK PLC                DJAIG CMDTY 36      06738C778     1985    40572 SH       SOLE                   40572      0     0
BARD C R INC                   COM                 067383109      300     3620 SH       SOLE                    3620      0     0
BAYER A G                      SPONSORED ADR       072730302      179     3368 SH       SOLE                    3368      0     0
BEA SYS INC                    COM                 073325102       58     4660 SH       SOLE                    4660      0     0
BECKMAN COULTER INC            COM                 075811109      179     3000 SH       SOLE                    3000      0     0
BECTON DICKINSON & CO          COM                 075887109     1250    17827 SH       SOLE                   17827      0     0
BELLSOUTH CORP                 COM                 079860102       63     1350 SH       SOLE                    1350      0     0
BERKLEY W R CORP               COM                 084423102       28      825 SH       SOLE                     825      0     0
BERKSHIRE HATHAWAY INC DEL     CL B                084670207      183       50 SH       SOLE                      50      0     0
BHP BILLITON LTD               SPONSORED ADR       088606108      234     5910 SH       SOLE                    5910      0     0
BIOGEN IDEC INC                COM                 09062X103     1368    27820 SH       SOLE                   27820      0     0
BLOCK H & R INC                COM                 093671105      407    17688 SH       SOLE                   17688      0     0
BOEING CO                      COM                 097023105      106     1195 SH       SOLE                    1195      0     0
BRITISH AMERN TOB PLC          SPONSORED ADR       110448107      301     5318 SH       SOLE                    5318      0     0
BUCKEYE TECHNOLOGIES INC       COM                 118255108       94     7930 SH       SOLE                    7930      0     0
BURLINGTON NORTHN SANTA FE C   COM                 12189T104     1386    18785 SH       SOLE                   18785      0     0
CBS CORP NEW                   CL B                124857202      779    25000 SH       SOLE                   25000      0     0
C D W CORP                     COM                 12512N105     1292    18390 SH       SOLE                   18390      0     0
C H ROBINSON WORLDWIDE INC     COM NEW             12541W209     1574    38510 SH       SOLE                   38510      0     0
CIGNA CORP                     COM                 125509109     1424    10830 SH       SOLE                   10830      0     0
CIT GROUP INC                  COM                 125581108        5       95 SH       SOLE                      95      0     0
CNA FINL CORP                  COM                 126117100        4      115 SH       SOLE                     115      0     0
CNOOC LTD                      SPONSORED ADR       126132109      124     1314 SH       SOLE                    1259      0    55
CVS CORP                       COM                 126650100       12      400 SH       SOLE                     400      0     0
CA INC                         COM                 12673P105      320    14178 SH       SOLE                   14178      0     0
                                                             -------- --------                              -------- ------ -----
TOTAL FOR PAGE 3                                                18483   447120                                446954      0   166




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 12/31/2006              PAGE 4


                           FORM 13F INFORMATION TABLE



           COLUMN 1                  COLUMN 2       COLUMN 3 COLUMN 4      COLUMN 5      COLUMN 6  COLUMN 7        COLUMN 8
---------------------------------------------------------------------------------------------------------------------------------
NAME OF                              TITLE OF                  VALUE   SHRS OR SH/ PUT/ INVESTMENT   OTHER     VOTING AUTHORITY
ISSUER                                CLASS          CUSIP   [x$1000]  PRN AMT PRN CALL DISCRETION MANAGERS   SOLE   SHARED  NONE
---------------------------------------------------------------------------------------------------------------------------------
                                                                                           
CADBURY SCHWEPPES PLC          ADR                 127209302      313     7294 SH       SOLE                    7294      0     0
CADENCE DESIGN SYSTEM INC      COM                 127387108       61     3430 SH       SOLE                    3430      0     0
CAMERON INTERNATIONAL CORP     COM                 13342B105      141     2665 SH       SOLE                    2665      0     0
CANON INC                      ADR                 138006309      526     9299 SH       SOLE                    9299      0     0
CAPITAL ONE FINL CORP          COM                 14040H105        4       63 SH       SOLE                      63      0     0
CARDINAL HEALTH INC            COM                 14149Y108      498     7735 SH       SOLE                    7735      0     0
CELANESE CORP DEL              COM SER A           150870103       14      565 SH       SOLE                     565      0     0
CELGENE CORP                   COM                 151020104       24      425 SH       SOLE                     425      0     0
CEMEX S A B                                        151290889      381    11249 SH       SOLE                   11121      0   128
CERIDIAN CORP NEW              COM                 156779100      144     5159 SH       SOLE                    5159      0     0
CERNER CORP                    COM                 156782104       27      600 SH       SOLE                     600      0     0
CHECKFREE CORP NEW             COM                 162813109       98     2455 SH       SOLE                    2455      0     0
CHEMICAL FINL CORP             COM                 163731102      131     3950 SH       SOLE                    3950      0     0
CHEVRON CORP                   COM                 166764100       33      455 SH       SOLE                     455      0     0
CHILDRENS PL RETAIL STORES I   COM                 168905107      176     2784 SH       SOLE                    2784      0     0
CHINA MOBILE LIMITED           SPONSORED ADR       16941M109      339     7856 SH       SOLE                    7514      0   342
CHIQUITA BRANDS INTL INC       COM                 170032809      138     8662 SH       SOLE                    8662      0     0
CHUBB CORP                     COM                 171232101       25      480 SH       SOLE                     480      0     0
CHUNGHWA TELECOM CO LTD        SPONSORED ADR       17133Q205      192     9785 SH       SOLE                    9291      0   494
CISCO SYS INC                  COM                 17275R102     2107    77135 SH       SOLE                   77135      0     0
CITIGROUP INC                  COM                 172967101     1020    18323 SH       SOLE                   18323      0     0
CITRIX SYS INC                 COM                 177376100       16      600 SH       SOLE                     600      0     0
CLAIRES STORES INC             COM                 179584107      622    18800 SH       SOLE                   18800      0     0
CLP HOLDINGS LTD               SPONSORED ADR       18946Q101      216    29340 SH       SOLE                   29340      0     0
COACH INC                      COM                 189754104     1594    37125 SH       SOLE                   37125      0     0
COCA COLA HELLENIC BTTLG CO    SPONSORED ADR       1912EP104      366     9260 SH       SOLE                    9260      0     0
COCA COLA CO                   COM                 191216100      514    10669 SH       SOLE                   10669      0     0
COMCAST CORP NEW               CL A SPL            20030N200      311     7440 SH       SOLE                    7440      0     0
COMPANHIA ENERGETICA DE MINA   SP ADR N-V PFD      204409601       41      853 SH       SOLE                     817      0    36
AMBEV-CIA DE BEBIDAS DAS       AMERICAS            20441W203      402     8249 SH       SOLE                    8249      0     0
COMPANHIA VALE DO RIO DOCE     SPONSORED ADR       204412209      180     6071 SH       SOLE                    5816      0   255
COMPUCREDIT CORP               COM                 20478N100      176     4439 SH       SOLE                    4439      0     0
CONOCOPHILLIPS                 COM                 20825C104      397     5520 SH       SOLE                    5520      0     0
CONOCOPHILLIPS                 COM                 20825C104       49      688 SH       DEFINED                  688      0     0
                                                             -------- --------                              -------- ------ -----
TOTAL FOR PAGE 4                                                11276   319423                                318168      0  1255




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 12/31/2006              PAGE 5


                           FORM 13F INFORMATION TABLE



           COLUMN 1                  COLUMN 2       COLUMN 3 COLUMN 4      COLUMN 5      COLUMN 6  COLUMN 7        COLUMN 8
---------------------------------------------------------------------------------------------------------------------------------
NAME OF                              TITLE OF                  VALUE   SHRS OR SH/ PUT/ INVESTMENT   OTHER     VOTING AUTHORITY
ISSUER                                CLASS          CUSIP   [x$1000]  PRN AMT PRN CALL DISCRETION MANAGERS   SOLE   SHARED  NONE
---------------------------------------------------------------------------------------------------------------------------------
                                                                                           
CORRECTIONS CORP AMER NEW      COM NEW             22025Y407      224     4956 SH       SOLE                    4956      0     0
COSTCO WHSL CORP NEW           COM                 22160K105       58     1100 SH       SOLE                    1100      0     0
CYTYC CORP                     COM                 232946103     1368    48380 SH       SOLE                   48380      0     0
DANAHER CORP DEL               COM                 235851102     1467    20255 SH       SOLE                   20255      0     0
DEAN FOODS CO NEW              COM                 242370104       25      608 SH       SOLE                     108    500     0
DEL MONTE FOODS CO             COM                 24522P103      501    45450 SH       SOLE                   45450      0     0
DELL INC                       COM                 24702R101      551    21992 SH       SOLE                   21942     50     0
DENTSPLY INTL INC NEW          COM                 249030107      416    13950 SH       SOLE                   13950      0     0
DIAGEO P L C                   SPON ADR NEW        25243Q205       19      250 SH       SOLE                     250      0     0
DIGITAL INSIGHT CORP           COM                 25385P106      263     6852 SH       SOLE                    6852      0     0
DIRECTV GROUP INC              COM                 25459L106        5      202 SH       SOLE                     202      0     0
DISNEY WALT CO                 COM DISNEY          254687106      351    10248 SH       SOLE                   10248      0     0
DR REDDYS LABS LTD             ADR                 256135203       82     4542 SH       SOLE                    4305      0   237
DOLLAR THRIFTY AUTOMOTIVE GP   COM                 256743105      162     3573 SH       SOLE                    3573      0     0
DOMINION RES INC VA NEW        COM                 25746U109       89     1070 SH       SOLE                    1070      0     0
DONALDSON INC                  COM                 257651109       58     1684 SH       SOLE                    1684      0     0
DU PONT E I DE NEMOURS & CO    COM                 263534109       17      351 SH       SOLE                     351      0     0
DUQUESNE LT HLDGS INC          COM                 266233105        7      371 SH       SOLE                     371      0     0
EXCO RESOURCES INC             COM                 269279402       33     2000 SH       SOLE                    2000      0     0
EDISON INTL                    COM                 281020107        9      216 SH       SOLE                     216      0     0
EL PASO ELEC CO                COM NEW             283677854       63     2620 SH       SOLE                    2620      0     0
ELLIS PERRY INTL INC           COM                 288853104       96     2350 SH       SOLE                    2350      0     0
EMBRAER EMPRESA BRASILEIRA     DE AERONAUTICA EMBR 29081M102      221     5355 SH       SOLE                    5355      0     0
EMERSON ELEC CO                COM                 291011104       20      456 SH       SOLE                     456      0     0
ENDO PHARMACEUTICALS HLDGS I   COM                 29264F205      110     3992 SH       SOLE                    3992      0     0
EQUITABLE RES INC              COM                 294549100      544    13032 SH       SOLE                   13032      0     0
ERICSSON L M TEL CO            ADR B SEK 10        294821608      410    10209 SH       SOLE                   10209      0     0
ERSTE BK DER OESTERREICHISCH   SPONSORED ADR       296036304      434    11341 SH       SOLE                   11341      0     0
EURONET WORLDWIDE INC          COM                 298736109      218     7362 SH       SOLE                    7362      0     0
EXELON CORP                    COM                 30161N101       37      600 SH       SOLE                     600      0     0
EXPRESS SCRIPTS INC            COM                 302182100     1303    18200 SH       SOLE                   18200      0     0
EXXON MOBIL CORP               COM                 30231G102     8433   110053 SH       SOLE                  110053      0     0
EXXON MOBIL CORP               COM                 30231G102      252     3300 SH       DEFINED                 3300      0     0
                                                             -------- --------                              -------- ------ -----
TOTAL FOR PAGE 5                                                17846   376920                                376133      0   237




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 12/31/2006              PAGE 6


                           FORM 13F INFORMATION TABLE



           COLUMN 1                  COLUMN 2       COLUMN 3 COLUMN 4      COLUMN 5      COLUMN 6  COLUMN 7        COLUMN 8
---------------------------------------------------------------------------------------------------------------------------------
NAME OF                              TITLE OF                  VALUE   SHRS OR SH/ PUT/ INVESTMENT   OTHER     VOTING AUTHORITY
ISSUER                                CLASS          CUSIP   [x$1000]  PRN AMT PRN CALL DISCRETION MANAGERS   SOLE   SHARED  NONE
---------------------------------------------------------------------------------------------------------------------------------
                                                                                           
FTI CONSULTING INC             COM                 302941109      138     4978 SH       SOLE                    4978      0     0
FEDERAL NATL MTG ASSN          COM                 313586109      381     6433 SH       SOLE                    6433      0     0
FEDERATED DEPT STORES INC DE   COM                 31410H101      119     3140 SH       SOLE                    3140      0     0
FIDELITY NATL INFORMATION SV   COM                 31620M106      376     9400 SH       SOLE                    9400      0     0
FIRST DATA CORP                COM                 319963104      951    37276 SH       SOLE                   37276      0     0
FIRST REGL BANCORP             COM                 33615C101       32      960 SH       SOLE                     960      0     0
FOOT LOCKER INC                COM                 344849104      334    15268 SH       SOLE                   15268      0     0
FOREST OIL CORP                COM PAR $0.01       346091705       86     2643 SH       SOLE                    2643      0     0
FORWARD AIR CORP               COM                 349853101      110     3808 SH       SOLE                    3808      0     0
FOSSIL INC                     COM                 349882100      109     4830 SH       SOLE                    4830      0     0
FRANKLIN RES INC               COM                 354613101        5       49 SH       SOLE                      49      0     0
FREIGHTCAR AMER INC            COM                 357023100      123     2230 SH       SOLE                    2230      0     0
FRESENIUS MEDICAL CARE AG      SPONSORED ADR       358029106      502    11300 SH       SOLE                   11300      0     0
GAP INC DEL                    COM                 364760108      220    11317 SH       SOLE                   11317      0     0
GAZPROM O A O                  SPON ADR            368287207      326     6943 SH       SOLE                    6651      0   292
GENENTECH INC                  COM NEW             368710406       40      500 SH       SOLE                     500      0     0
GENERAL COMMUNICATION INC      CL A                369385109      123     7830 SH       SOLE                    7830      0     0
GENERAL DYNAMICS CORP          COM                 369550108      598     8050 SH       SOLE                    8050      0     0
GENERAL ELECTRIC CO            COM                 369604103     1344    36135 SH       SOLE                   36135      0     0
GENERAL ELECTRIC CO            COM                 369604103      305     8210 SH       DEFINED                 8210      0     0
GENERAL MLS INC                COM                 370334104      112     1947 SH       SOLE                    1947      0     0
GENWORTH FINL INC              COM CL A            37247D106       45     1325 SH       SOLE                    1325      0     0
GERDAU SA COSG                                     373737105       80     5027 SH       SOLE                    4816      0   211
GETTY IMAGES INC               COM                 374276103      128     2997 SH       SOLE                    2997      0     0
GILEAD SCIENCES INC            COM                 375558103      111     1720 SH       SOLE                    1720      0     0
GLAXOSMITHKLINE PLC            SPONSORED ADR       37733W105      433     8209 SH       SOLE                    8209      0     0
GOLD FIELDS LTD NEW            SPONSORED ADR       38059T106       55     2915 SH       SOLE                    2782      0   133
GOLDMAN SACHS GROUP INC        COM                 38141G104       56      281 SH       SOLE                     281      0     0
GOOGLE INC                     CL A                38259P508       33       72 SH       SOLE                      72      0     0
GRAINGER W W INC               COM                 384802104      335     4800 SH       SOLE                    4800      0     0
GRUPO FINANCIARO GALICIA S A   SP ADR 10 SH B      399909100       36     3845 SH       SOLE                    3645      0   200
GRUPO TELEVISA SA DE CV        SP ADR REP ORD      40049J206       48     1797 SH       SOLE                    1722      0    75
GRUPO AEROPORTUARIO DEL PAC    SPON ADR B          400506101       20      518 SH       SOLE                     496      0    22
                                                             -------- --------                              -------- ------ -----
TOTAL FOR PAGE 6                                                 7714   216753                                215820      0   933




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 12/31/2006              PAGE 7


                           FORM 13F INFORMATION TABLE



           COLUMN 1                  COLUMN 2       COLUMN 3 COLUMN 4      COLUMN 5      COLUMN 6  COLUMN 7        COLUMN 8
---------------------------------------------------------------------------------------------------------------------------------
NAME OF                              TITLE OF                  VALUE   SHRS OR SH/ PUT/ INVESTMENT   OTHER     VOTING AUTHORITY
ISSUER                                CLASS          CUSIP   [x$1000]  PRN AMT PRN CALL DISCRETION MANAGERS   SOLE   SHARED  NONE
---------------------------------------------------------------------------------------------------------------------------------
                                                                                           
GRUPO AEROPORTUARIO DEL SURE   SPON ADR SER B      40051E202       23      546 SH       SOLE                     520      0    26
HALLIBURTON CO                 COM                 406216101      248     8014 SH       SOLE                    8014      0     0
HANESBRANDS INC                COM                 410345102      434    18400 SH       SOLE                   18400      0     0
HARRIS CORP DEL                COM                 413875105     1295    28250 SH       SOLE                   28250      0     0
HARTE-HANKS INC                COM                 416196103      221     8000 SH       SOLE                    8000      0     0
HARTFORD FINL SVCS GROUP INC   COM                 416515104     1327    14230 SH       SOLE                   14230      0     0
HELIX ENERGY SOLUTIONS GRP I   COM                 42330P107      132     4224 SH       SOLE                    4224      0     0
HENKEL LTD PARTNERSHIP         SPON ADR PFD        42550U208      312     2122 SH       SOLE                    2122      0     0
HEWLETT PACKARD CO             COM                 428236103     2213    53764 SH       SOLE                   53764      0     0
HIGHLAND HOSPITALITY CORP      COM                 430141101      101     7105 SH       SOLE                    7105      0     0
HILTON HOTELS CORP             COM                 432848109       21      625 SH       SOLE                     625      0     0
HOME DEPOT INC                 COM                 437076102      193     4829 SH       SOLE                    4829      0     0
HONDA MOTOR LTD                AMERN SHS           438128308      330     8356 SH       SOLE                    8356      0     0
HONEYWELL INTL INC             COM                 438516106       20      443 SH       SOLE                     443      0     0
HUANENG PWR INTL INC           SPON ADR H SHS      443304100      171     4763 SH       SOLE                    4563      0   200
ITT EDUCATIONAL SERVICES INC   COM                 45068B109       11      175 SH       SOLE                     175      0     0
IDEARC INC                     COM                 451663108        1       37 SH       SOLE                      37      0     0
IDEXX LABS INC                 COM                 45168D104      142     1791 SH       SOLE                    1791      0     0
ILLINOIS TOOL WKS INC          COM                 452308109      230     5000 SH       SOLE                    5000      0     0
IMMEDIATEK INC                 COM PAR $.001       45252S306        9     1100 SH       SOLE                    1100      0     0
IMPERIAL CHEM INDS PLC         ADR NEW             452704505      369    10422 SH       SOLE                   10422      0     0
INFORMATICA CORP               COM                 45666Q102      263    21617 SH       SOLE                   21617      0     0
INFOSYS TECHNOLOGIES LTD       SPONSORED ADR       456788108      145     2669 SH       SOLE                    2565      0   104
INTEL CORP                     COM                 458140100      399    19748 SH       SOLE                   19748      0     0
INTERNATIONAL BUSINESS MACHS   COM                 459200101      364     3748 SH       SOLE                    3748      0     0
INTERPUBLIC GROUP COS INC      COM                 460690100      295    24170 SH       SOLE                   24170      0     0
INTERVEST BANCSHARES CORP      CL A                460927106       50     1460 SH       SOLE                    1460      0     0
INVITROGEN CORP                COM                 46185R100      235     4162 SH       SOLE                    4162      0     0
ISHARES INC                    MSCI TAIWAN         464286731      392    27066 SH       SOLE                   25654      0  1412
ISHARES INC                    MSCI S KOREA        464286772      231     4691 SH       SOLE                    4445      0   246
ISHARES INC                    MSCI JAPAN          464286848      829    58404 SH       SOLE                   58404      0     0
ISHARES INC                    MSCI HONG KONG      464286871       66     4168 SH       SOLE                    3951      0   217
ISHARES TRUST MSCI EMERGING    MARKETS             464287234      296     2600 SH       SOLE                    2600      0     0
                                                             -------- --------                              -------- ------ -----
TOTAL FOR PAGE 7                                                11368   356699                                354494      0  2205




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 12/31/2006              PAGE 8


                           FORM 13F INFORMATION TABLE



           COLUMN 1                  COLUMN 2       COLUMN 3 COLUMN 4      COLUMN 5      COLUMN 6  COLUMN 7        COLUMN 8
---------------------------------------------------------------------------------------------------------------------------------
NAME OF                              TITLE OF                  VALUE   SHRS OR SH/ PUT/ INVESTMENT   OTHER     VOTING AUTHORITY
ISSUER                                CLASS          CUSIP   [x$1000]  PRN AMT PRN CALL DISCRETION MANAGERS   SOLE   SHARED  NONE
---------------------------------------------------------------------------------------------------------------------------------
                                                                                           
ISHARES TR S&P 500             GROWTH INDEX FD     464287309       98     1512 SH       SOLE                    1512      0     0
ISHARES TR                     S&P 500 VALUE       464287408       74      965 SH       SOLE                     965      0     0
ISHARES TR                     MSCI EAFE IDX       464287465     1794    24515 SH       SOLE                   24515      0     0
ISHARES TR                     S&P MIDCAP 400      464287507      272     3400 SH       SOLE                    3400      0     0
ISHARES TR                     COHEN&ST RLTY       464287564      100     1000 SH       SOLE                    1000      0     0
ISHARES TR                     RUSSELL1000VAL      464287598      808     9774 SH       SOLE                    9774      0     0
ISHARES TR                     RUSSELL1000GRW      464287614      382     6950 SH       SOLE                    6950      0     0
ISHARES TR                     RUSSELL 1000        464287622      705     9186 SH       SOLE                    9186      0     0
ISHARES TR                     RUSL 2000 VALU      464287630      404     5059 SH       SOLE                    5059      0     0
ISHARES TR                     RUSL 2000 GROW      464287648      451     5746 SH       SOLE                    5746      0     0
ISHARES TR                     RUSSELL 2000        464287655     1190    15256 SH       SOLE                   15256      0     0
ISHARES TR                     RUSSELL 3000        464287689       22      270 SH       SOLE                     270      0     0
ISHARES TRUST UTILITIES                            464287697      267     2980 SH       SOLE                    2980      0     0
ISHARES TR                     DJ US FINL SEC      464287788      333     2830 SH       SOLE                    2830      0     0
JPMORGAN CHASE & CO            COM                 46625H100     1946    40306 SH       SOLE                   40306      0     0
JACOBS ENGR GROUP INC DEL      COM                 469814107      245     3012 SH       SOLE                    3012      0     0
JOHNSON & JOHNSON              COM                 478160104      238     3616 SH       SOLE                    3616      0     0
JOY GLOBAL INC                 COM                 481165108      367     7600 SH       SOLE                    7600      0     0
KAO CORP                       SPONSORED ADR       485537302      357     1327 SH       SOLE                    1327      0     0
KENDLE INTERNATIONAL INC       COM                 48880L107       94     3000 SH       SOLE                    3000      0     0
KENNAMETAL INC                 COM                 489170100       64     1096 SH       SOLE                    1096      0     0
KIMBERLY CLARK CORP            COM                 494368103       33      500 SH       SOLE                     500      0     0
KING PHARMACEUTICALS INC       COM                 495582108       56     3525 SH       SOLE                    3525      0     0
KIRIN BREWERY LTD              SPONSORED ADR       497350306      241    15414 SH       SOLE                   15414      0     0
KOHLS CORP                     COM                 500255104     1461    21360 SH       SOLE                   21360      0     0
KOMAG INC                      COM NEW             500453204      186     4930 SH       SOLE                    4930      0     0
ROYAL PHILIPS ELECTRONICS      NV                  500472303      943    25112 SH       SOLE                   25112      0     0
KOOKMIN BK NEW                 SPONSORED ADR       50049M109      315     3919 SH       SOLE                    3709      0   210
KOOR INDS LTD                  SPONSORED ADR       500507108       37     3636 SH       SOLE                    3458      0   178
KOREA ELECTRIC PWR             SPONSORED ADR       500631106      134     5912 SH       SOLE                    5605      0   307
KROGER CO                      COM                 501044101      259    11252 SH       SOLE                   11252      0     0
KRONOS INC                     COM                 501052104      120     3278 SH       SOLE                    3278      0     0
LG PHILIP LCD CO LTD           SPONS ADR REP       50186V102      141     9411 SH       SOLE                    9010      0   401
                                                             -------- --------                              -------- ------ -----
TOTAL FOR PAGE 8                                                14137   257649                                256553      0  1096




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 12/31/2006              PAGE 9


                           FORM 13F INFORMATION TABLE



           COLUMN 1                  COLUMN 2       COLUMN 3 COLUMN 4      COLUMN 5      COLUMN 6  COLUMN 7        COLUMN 8
---------------------------------------------------------------------------------------------------------------------------------
NAME OF                              TITLE OF                  VALUE   SHRS OR SH/ PUT/ INVESTMENT   OTHER     VOTING AUTHORITY
ISSUER                                CLASS          CUSIP   [x$1000]  PRN AMT PRN CALL DISCRETION MANAGERS   SOLE   SHARED  NONE
---------------------------------------------------------------------------------------------------------------------------------
                                                                                           
LABOR READY INC                COM NEW             505401208      218    11950 SH       SOLE                   11950      0     0
LAM RESEARCH CORP              COM                 512807108     1299    25680 SH       SOLE                   25680      0     0
LAMAR ADVERTISING CO           CL A                512815101      679    10400 SH       SOLE                   10400      0     0
LANDAMERICA FINL GROUP INC     COM                 514936103      118     1873 SH       SOLE                    1873      0     0
LEHMAN BROS HLDGS INC          COM                 524908100        6       84 SH       SOLE                      84      0     0
LIMITED BRANDS INC             COM                 532716107       14      507 SH       SOLE                     507      0     0
LOCKHEED MARTIN CORP           COM                 539830109        5       61 SH       SOLE                      61      0     0
LOUISIANA CENT OIL & GAS CO    UT NET PROFIT       546234204      121      100 SH       SOLE                     100      0     0
LOWES COS INC                  COM                 548661107       24      800 SH       SOLE                     800      0     0
MDU RES GROUP INC              COM                 552690109      842    32875 SH       SOLE                   32875      0     0
MACROVISION CORP               COM                 555904101      325    11537 SH       SOLE                   11537      0     0
MAGYAR TELEKOM TELECOMMUN-     ICATIONS PLC ADR    559776109      263     9417 SH       SOLE                    9417      0     0
MARATHON OIL CORP              COM                 565849106      110     1193 SH       SOLE                    1193      0     0
MCDONALDS CORP                 COM                 580135101        3       85 SH       SOLE                      85      0     0
MCGRAW HILL COS INC            COM                 580645109       95     1397 SH       SOLE                    1397      0     0
MCKESSON CORP                  COM                 58155Q103       42      845 SH       SOLE                     845      0     0
MEDTRONIC INC                  COM                 585055106     3396    63492 SH       SOLE                   63492      0     0
MERCK & CO INC                 COM                 589331107       57     1330 SH       SOLE                    1330      0     0
MERIX CORP                     COM                 590049102       66     7140 SH       SOLE                    7140      0     0
MERRILL LYNCH & CO INC         COM                 590188108        4       47 SH       SOLE                      47      0     0
METLIFE INC                    COM                 59156R108      118     2003 SH       SOLE                    2003      0     0
METTLER TOLEDO INTERNATIONAL   COM                 592688105      386     4906 SH       SOLE                    4906      0     0
MICROSOFT CORP                 COM                 594918104     2134    71470 SH       SOLE                   71470      0     0
MOBILE TELESYSTEMS OJSC        SPONSORED ADR       607409109      105     2101 SH       SOLE                    1991      0   110
MOL MAGYAR OLAJ-ES GAZIPARI    SPON ADR SER A      608464202      127     1124 SH       SOLE                    1124      0     0
MOLSON COORS BREWING CO        CL B                60871R209      245     3209 SH       SOLE                    3209      0     0
FEDRTD TFOF INST SHS                               60934N401    25435 25435059 PRN      SOLE                25435059      0     0
FEDRTD TFOF INST SHS                               60934N401       62    62799 PRN      DEFINED                62799      0     0
FEDRTD TFOF SRVC SHS                               60934N880      777   777961 PRN      SOLE                  777961      0     0
MONSANTO CO NEW                COM                 61166W101       42      800 SH       SOLE                     800      0     0
MORGAN STANLEY                 COM NEW             617446448      699     8594 SH       SOLE                    8594      0     0
NTT DOCOMO INC                 SPONS ADR           62942M201      331    20861 SH       SOLE                   20861      0     0
NARA BANCORP INC               COM                 63080P105      138     6604 SH       SOLE                    6604      0     0
                                                             -------- --------                              -------- ------ -----
TOTAL FOR PAGE 9                                                38286 26578304                              26578194      0   110




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 12/31/2006             PAGE 10


                           FORM 13F INFORMATION TABLE



           COLUMN 1                  COLUMN 2       COLUMN 3 COLUMN 4      COLUMN 5      COLUMN 6  COLUMN 7        COLUMN 8
---------------------------------------------------------------------------------------------------------------------------------
NAME OF                              TITLE OF                  VALUE   SHRS OR SH/ PUT/ INVESTMENT   OTHER     VOTING AUTHORITY
ISSUER                                CLASS          CUSIP   [x$1000]  PRN AMT PRN CALL DISCRETION MANAGERS   SOLE   SHARED  NONE
---------------------------------------------------------------------------------------------------------------------------------
                                                                                           
NATIONAL OILWELL VARCO INC     COM                 637071101     1166    19060 SH       SOLE                   19060      0     0
NATIONWIDE FINL SVCS INC       CL A                638612101       86     1600 SH       SOLE                    1600      0     0
NAVTEQ CORP                    COM                 63936L100       95     2717 SH       SOLE                    2717      0     0
NESTLE S A                     SPONSORED ADR       641069406      430     4856 SH       SOLE                    4856      0     0
NEUSTAR INC                    CL A                64126X201      308     9522 SH       SOLE                    9522      0     0
NIDEC CORP                     SPONSORED ADR       654090109      311    16081 SH       SOLE                   16081      0     0
NIKE INC                       CL B                654106103      404     4080 SH       SOLE                    4080      0     0
NOKIA CORP                     SPONSORED ADR       654902204        4      200 SH       SOLE                     200      0     0
NOBLE ENERGY INC               COM                 655044105       88     1800 SH       SOLE                    1800      0     0
NORDSTROM INC                  COM                 655664100     1411    28610 SH       SOLE                   28610      0     0
NORTHERN TR CORP               COM                 665859104     1297    21380 SH       SOLE                   21380      0     0
NORTHWEST NAT GAS CO           COM                 667655104       93     2210 SH       SOLE                    2210      0     0
NOVARTIS A G                   SPONSORED ADR       66987V109      496     8651 SH       SOLE                    8651      0     0
NOVELLUS SYS INC               COM                 670008101      119     3475 SH       SOLE                    3475      0     0
NOVO-NORDISK A/S (VORMALS      NOVO INDUSTRI A/S)  670100205      276     3304 SH       SOLE                    3304      0     0
NVIDIA CORP                    COM                 67066G104       25      700 SH       SOLE                     700      0     0
NUVASIVE INC                   COM                 670704105       34     1512 SH       SOLE                    1512      0     0
OGE ENERGY CORP                COM                 670837103       80     2000 SH       SOLE                    2000      0     0
OM GROUP INC                   COM                 670872100      139     3090 SH       SOLE                    3090      0     0
OMV AG                         SPON ADR NEW        670875509      105     1865 SH       SOLE                    1865      0     0
OIL CO LUKOIL                  SPONSORED ADR       677862104      184     2102 SH       SOLE                    1992      0   110
OMNICOM GROUP INC              COM                 681919106     1730    16550 SH       SOLE                   16550      0     0
ONEOK INC NEW                  COM                 682680103       25      600 SH       SOLE                     600      0     0
OPEN JT STK CO-VIMPEL COMMUN   SPONSORED ADR       68370R109       89     1138 SH       SOLE                    1090      0    48
ORACLE CORP                    COM                 68389X105     1483    86625 SH       SOLE                   86625      0     0
OVERSEAS SHIPHOLDING GROUP I   COM                 690368105       50      900 SH       SOLE                     900      0     0
P F CHANGS CHINA BISTRO INC    COM                 69333Y108      246     6411 SH       SOLE                    6411      0     0
PMI GROUP INC                  COM                 69344M101        4       90 SH       SOLE                      90      0     0
POSCO                          SPONSORED ADR       693483109      176     2135 SH       SOLE                    2045      0    90
PSS WORLD MED INC              COM                 69366A100      108     5580 SH       SOLE                    5580      0     0
PACCAR INC                     COM                 693718108     1425    21958 SH       SOLE                   21958      0     0
PACIFIC CAP BANCORP NEW        COM                 69404P101       89     2676 SH       SOLE                    2676      0     0
PACTIV CORP                    COM                 695257105       11      329 SH       SOLE                     329      0     0
                                                             -------- --------                              -------- ------ -----
TOTAL FOR PAGE 10                                               12587   283807                                283559      0   248




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 12/31/2006             PAGE 11


                           FORM 13F INFORMATION TABLE



           COLUMN 1                  COLUMN 2       COLUMN 3 COLUMN 4      COLUMN 5      COLUMN 6  COLUMN 7        COLUMN 8
---------------------------------------------------------------------------------------------------------------------------------
NAME OF                              TITLE OF                  VALUE   SHRS OR SH/ PUT/ INVESTMENT   OTHER     VOTING AUTHORITY
ISSUER                                CLASS          CUSIP   [x$1000]  PRN AMT PRN CALL DISCRETION MANAGERS   SOLE   SHARED  NONE
---------------------------------------------------------------------------------------------------------------------------------
                                                                                           
PATRIOT MOTORCYCLES CORP       COM                 70337D108        8     6000 SH       SOLE                    6000      0     0
PATTERSON COMPANIES INC        COM                 703395103      355    10000 SH       SOLE                   10000      0     0
PENNY J C CO INC                                   708160106        5       70 SH       SOLE                      70      0     0
PEPSICO INC                    COM                 713448108     1548    24765 SH       SOLE                   24765      0     0
PETROCHINA CO LTD              SPONSORED  ADR      71646E100       89      634 SH       SOLE                     607      0    27
PETROLEO BRASILEIRO SA PETRO   SPONSORED ADR       71654V101      339     3660 SH       SOLE                    3469      0   191
PFIZER INC                     COM                 717081103      795    30721 SH       SOLE                   30721      0     0
PHELPS DODGE CORP              COM                 717265102       71      595 SH       SOLE                     595      0     0
PHILIPPINE LONG DISTANCE TEL   SPONSORED ADR       718252604      193     3789 SH       SOLE                    3630      0   159
PHOTRONICS INC                 COM                 719405102       76     4665 SH       SOLE                    4665      0     0
PRAXAIR INC                    COM                 74005P104       31      534 SH       SOLE                     534      0     0
PRINCIPAL FINANCIAL GROUP IN   COM                 74251V102     1477    25170 SH       SOLE                   25170      0     0
PROCTER & GAMBLE CO            COM                 742718109      174     2720 SH       SOLE                    2720      0     0
PRUDENTIAL FINL INC            COM                 744320102        6       71 SH       SOLE                      71      0     0
QLOGIC CORP                    COM                 747277101       97     4430 SH       SOLE                    4430      0     0
QUALCOMM INC                   COM                 747525103      132     3495 SH       SOLE                    3495      0     0
QUEST DIAGNOSTICS INC          COM                 74834L100      606    11450 SH       SOLE                   11450      0     0
RAYTHEON CO                    COM NEW             755111507       11      211 SH       SOLE                     211      0     0
REALOGY CORP                   COM                 75605E100       95     3154 SH       SOLE                    3154      0     0
REGAL BELOIT CORP              COM                 758750103       56     1070 SH       SOLE                    1070      0     0
REGIONS FINANCIAL CORP NEW     COM                 7591EP100     1240    33170 SH       SOLE                   33170      0     0
REPUBLIC BANCORP INC           COM                 760282103      121     9014 SH       SOLE                    9014      0     0
REPUBLIC SVCS INC              COM                 760759100      660    16244 SH       SOLE                   16244      0     0
ROCHE HLDG LTD                 SPONSORED ADR       771195104      457     5116 SH       SOLE                    5116      0     0
ROCK-TENN CO                   CL A                772739207      211     7820 SH       SOLE                    7820      0     0
ROCKWELL AUTOMATION INC.       COM                 773903109      401     6570 SH       SOLE                    6570      0     0
ROHM & HAAS CO                 COM                 775371107     1103    21590 SH       SOLE                   21590      0     0
RYANAIR HLDGS PLC              SPONSORED ADR       783513104      354     4345 SH       SOLE                    4345      0     0
SEI INVESTMENTS CO             COM                 784117103       23      400 SH       SOLE                     400      0     0
SK TELECOM LTD                 SPONSORED ADR       78440P108      206     7805 SH       SOLE                    7474      0   331
SAFETY INS GROUP INC           COM                 78648T100       88     1750 SH       SOLE                    1750      0     0
SAFEWAY INC                    COM NEW             786514208      178     5154 SH       SOLE                    5154      0     0
SANDVIK AB                     ADR                 800212201      284    19547 SH       SOLE                   19547      0     0
                                                             -------- --------                              -------- ------ -----
TOTAL FOR PAGE 11                                               11490   275729                                275021      0   708




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 12/31/2006             PAGE 12


                           FORM 13F INFORMATION TABLE



           COLUMN 1                  COLUMN 2       COLUMN 3 COLUMN 4      COLUMN 5      COLUMN 6  COLUMN 7        COLUMN 8
---------------------------------------------------------------------------------------------------------------------------------
NAME OF                              TITLE OF                  VALUE   SHRS OR SH/ PUT/ INVESTMENT   OTHER     VOTING AUTHORITY
ISSUER                                CLASS          CUSIP   [x$1000]  PRN AMT PRN CALL DISCRETION MANAGERS   SOLE   SHARED  NONE
---------------------------------------------------------------------------------------------------------------------------------
                                                                                           
SANOFI AVENTIS                 SPONSORED ADR       80105N105      783    16969 SH       SOLE                   16969      0     0
SASOL LTD                      SPONSORED ADR       803866300      139     3789 SH       SOLE                    3578      0   211
SATYAM COMPUTER SERVICES LTD   ADR                 804098101       61     2549 SH       SOLE                    2423      0   126
SCHEIN HENRY INC               COM                 806407102      121     2478 SH       SOLE                    2478      0     0
SCHLUMBERGER LTD               COM                 806857108       48      775 SH       SOLE                     775      0     0
SCHWAB CHARLES CORP NEW        COM                 808513105       23     1200 SH       SOLE                    1200      0     0
SCOTTISH PWR PLC               SP ADR FNL NEW      81013T804      384     6580 SH       SOLE                    6580      0     0
SEABRIGHT INSURANCE HLDGS IN   COM                 811656107       56     3130 SH       SOLE                    3130      0     0
SEARS HLDGS CORP               COM                 812350106       67      400 SH       SOLE                     400      0     0
SHIRE PLC                      SPONSORED ADR       82481R106      576     9332 SH       SOLE                    9332      0     0
AIM STIC LAP INST                                  825251820    42516 42516285 PRN      SOLE                42496870  19415     0
AIM STIC LAP INST                                  825251820       52    52054 PRN      DEFINED                52054      0     0
AIM TREAS PRIV                                     825252109     3307  3307190 PRN      SOLE                 3307190      0     0
AIM TREAS INS                                      825252406      398   398643 PRN      SOLE                  398643      0     0
AIM STIT GVT&AGY PRV                               825252877     1577  1577146 PRN      SOLE                 1577146      0     0
SHUFFLE MASTER INC             COM                 825549108      203     7782 SH       SOLE                    7782      0     0
SIEMENS A G                    SPONSORED ADR       826197501      301     3062 SH       SOLE                    3062      0     0
SILICONWARE PRECISION INDS L   SPONSD ADR SPL      827084864        0        1 SH       SOLE                       1      0     0
SINCLAIR BROADCAST GROUP INC   CL A                829226109      140    13370 SH       SOLE                   13370      0     0
SOCIEDAD QUIMICA Y MINERA      DE CHILE SA         833635105      218     1613 SH       SOLE                    1613      0     0
SOLVAY S A                     SPONSORED ADR       834437105      219     1433 SH       SOLE                    1433      0     0
SONIC AUTOMOTIVE INC           CL A                83545G102      189     6515 SH       SOLE                    6515      0     0
SOUTHERN CO                    COM                 842587107       28      780 SH       SOLE                     780      0     0
SPARTECH CORP                  COM NEW             847220209       71     2740 SH       SOLE                    2740      0     0
STAPLES INC                    COM                 855030102     1249    46800 SH       SOLE                   46800      0     0
STATE STR CORP                 COM                 857477103      755    11200 SH       SOLE                   11200      0     0
STERICYCLE INC                 COM                 858912108      116     1543 SH       SOLE                    1543      0     0
STRAYER ED INC                 COM                 863236105      303     2859 SH       SOLE                    2859      0     0
STRYKER CORP                   COM                 863667101       15      275 SH       SOLE                     275      0     0
SUNOPTA INC                    COM                 8676EP108      133    15205 SH       SOLE                   15205      0     0
SUNRISE SENIOR LIVING INC.     COM                 86768K106       67     2200 SH       SOLE                    2200      0     0
SURGUTNEFTEGAZ JSC             SPONSORED ADR       868861204      126     1651 SH       SOLE                    1582      0    69
SVENSKA CELLULOSA AKTIEBOLAG   SPONSORED ADR       869587402      160     3065 SH       SOLE                    3065      0     0
                                                             -------- --------                              -------- ------ -----
TOTAL FOR PAGE 12                                               54401 48020614                              48000793  19415   406




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 12/31/2006             PAGE 13


                           FORM 13F INFORMATION TABLE



           COLUMN 1                  COLUMN 2       COLUMN 3 COLUMN 4      COLUMN 5      COLUMN 6  COLUMN 7        COLUMN 8
---------------------------------------------------------------------------------------------------------------------------------
NAME OF                              TITLE OF                  VALUE   SHRS OR SH/ PUT/ INVESTMENT   OTHER     VOTING AUTHORITY
ISSUER                                CLASS          CUSIP   [x$1000]  PRN AMT PRN CALL DISCRETION MANAGERS   SOLE   SHARED  NONE
---------------------------------------------------------------------------------------------------------------------------------
                                                                                           
SWIFT ENERGY CO                COM                 870738101       85     1910 SH       SOLE                    1910      0     0
SYKES ENTERPRISES INC          COM                 871237103      190    10790 SH       SOLE                   10790      0     0
SYMANTEC CORP                  COM                 871503108        2      100 SH       SOLE                     100      0     0
SYMANTEC CORP                  COM                 871503108        2      100 SH       DEFINED                  100      0     0
TAIWAN GREATER CHINA FD        SH BEN INT          874037104       84    12761 SH       SOLE                   12090      0   671
TAIWAN SEMICONDUCTOR MFG LTD   SPONSORED ADR       874039100      499    45717 SH       SOLE                   45057      0   660
TAM SA                         SP ADR REP PFD      87484D103      100     3336 SH       SOLE                    3196      0   140
TARGET CORP                    COM                 87612E106      335     5877 SH       SOLE                    5877      0     0
TELEFONICA S A                 SPONSORED ADR       879382208      299     4700 SH       SOLE                    4700      0     0
TEMPLE INLAND INC              COM                 879868107       28      610 SH       SOLE                     610      0     0
TENARIS S A                    SPONSORED ADR       88031M109       68     1365 SH       SOLE                    1308      0    57
TESCO PLC                      SPONSORED ADR       881575302      416    17518 SH       SOLE                   17518      0     0
TEVA PHARMACEUTICAL INDS LTD   ADR                 881624209      373    12028 SH       SOLE                   11873      0   155
TEXAS CAPITAL BANCSHARES, INC. CL A                88224Q107      453    22800 SH       SOLE                   22800      0     0
TEXAS INSTRS INC               COM                 882508104       66     2310 SH       SOLE                    2310      0     0
TIM PARTICIPACOES S A          SPONS ADR PFD       88706P106       57     1660 SH       SOLE                    1590      0    70
TIME WARNER INC                COM                 887317105       27     1279 SH       SOLE                    1279      0     0
TORONTO DOMINION BK ONT        COM NEW             891160509      349     5847 SH       SOLE                    5847      0     0
TOYOTA MOTOR CORP              SP ADR REP2COM      892331307     1138     8476 SH       SOLE                    8476      0     0
TRACTOR SUPPLY CO              COM                 892356106       52     1177 SH       SOLE                    1177      0     0
TREDEGAR CORP                  COM                 894650100      205     9110 SH       SOLE                    9110      0     0
TREEHOUSE FOODS INC            COM                 89469A104       71     2300 SH       SOLE                    2200    100     0
TURKCELL ILETISIM HIZMETLERI   SPON ADR NEW        900111204       57     4283 SH       SOLE                    4059      0   224
21ST CENTY INS GROUP           COM                 90130N103      105     6005 SH       SOLE                    6005      0     0
TYCO INTL LTD NEW              COM                 902124106      859    28289 SH       SOLE                   28289      0     0
US BANCORP DEL                 COM NEW             902973304      790    21850 SH       SOLE                   21850      0     0
UNILEVER N V                   N Y SHS NEW         904784709      245     9001 SH       SOLE                    9001      0     0
UNITED AMER INDEMNITY LTD      CL A                90933T109      124     4920 SH       SOLE                    4920      0     0
UNITED BANKSHARES INC WEST V   COM                 909907107      209     5430 SH       SOLE                    5430      0     0
UNITED GUNN RES                                    910573104        0      100 SH       SOLE                     100      0     0
UNITED MICROELECTRONICS CORP   SPONSORED ADR       910873207      146    41911 SH       SOLE                   39718      0  2193
UNITED OVERSEAS BK LTD         SPONSORED ADR       911271302      295    11696 SH       SOLE                   11696      0     0
UNITED TECHNOLOGIES CORP       COM                 913017109     1486    23770 SH       SOLE                   23770      0     0
                                                             -------- --------                              -------- ------ -----
TOTAL FOR PAGE 13                                                9215   329026                                324756    100  4170




                         TEXAS CAPITAL BANK, DALLAS, TX
BANK NO. 781         SCHEDULE 13F WORKSHEET AS OF 12/31/2006             PAGE 14


                           FORM 13F INFORMATION TABLE



           COLUMN 1                  COLUMN 2       COLUMN 3 COLUMN 4      COLUMN 5      COLUMN 6  COLUMN 7        COLUMN 8
---------------------------------------------------------------------------------------------------------------------------------
NAME OF                              TITLE OF                  VALUE   SHRS OR SH/ PUT/ INVESTMENT   OTHER     VOTING AUTHORITY
ISSUER                                CLASS          CUSIP   [x$1000]  PRN AMT PRN CALL DISCRETION MANAGERS   SOLE   SHARED  NONE
---------------------------------------------------------------------------------------------------------------------------------
                                                                                           
UNITEDHEALTH GROUP INC         COM                 91324P102      628    11706 SH       SOLE                   11706      0     0
URBAN OUTFITTERS INC           COM                 917047102       34     1510 SH       SOLE                    1510      0     0
V F CORP                       COM                 918204108     1504    18330 SH       SOLE                   18330      0     0
VALERO ENERGY CORP NEW         COM                 91913Y100      571    11175 SH       SOLE                   11175      0     0
VALUECLICK INC                 COM                 92046N102      306    12985 SH       SOLE                   12985      0     0
VARIAN MED SYS INC             COM                 92220P105      285     6000 SH       SOLE                    6000      0     0
VARIAN INC                     COM                 922206107       74     1657 SH       SOLE                    1657      0     0
VERIZON COMMUNICATIONS         COM                 92343V104       28      758 SH       SOLE                     758      0     0
VIACOM INC NEW                 CL B                92553P201      754    18400 SH       SOLE                   18400      0     0
VODAFONE GROUP PLC NEW         SPONS ADR NEW       92857W209      350    12615 SH       SOLE                   12615      0     0
WACHOVIA CORP 2ND NEW          COM                 929903102      111     1966 SH       SOLE                    1966      0     0
WAL MART STORES INC            COM                 931142103       41      900 SH       SOLE                     900      0     0
WALGREEN CO                    COM                 931422109      229     5000 SH       SOLE                    5000      0     0
WASHINGTON MUT INC             COM                 939322103      301     6625 SH       SOLE                    6625      0     0
WASTE CONNECTIONS INC          COM                 941053100      479    11550 SH       SOLE                   11550      0     0
WASTE MGMT INC DEL             COM                 94106L109      378    10285 SH       SOLE                   10285      0     0
WATERS CORP                    COM                 941848103      235     4818 SH       SOLE                    4818      0     0
WEBSTER FINL CORP CONN         COM                 947890109       89     1839 SH       SOLE                    1839      0     0
WELLPOINT INC                  COM                 94973V107       22      280 SH       SOLE                     280      0     0
WELLS FARGO & CO NEW           COM                 949746101      211     5950 SH       SOLE                    5950      0     0
WESTERN DIGITAL CORP           COM                 958102105       16      800 SH       SOLE                     800      0     0
WESTERN UN CO                  COM                 959802109      695    31031 SH       SOLE                   31031      0     0
WINNEBAGO INDS INC             COM                 974637100      118     3612 SH       SOLE                    3612      0     0
WINTRUST FINANCIAL CORP        COM                 97650W108      300     6255 SH       SOLE                    6255      0     0
WOLVERINE WORLD WIDE INC       COM                 978097103      143     5015 SH       SOLE                    5015      0     0
WYETH                          COM                 983024100      425     8355 SH       SOLE                    8355      0     0
XCEL ENERGY INC                COM                 98389B100       58     2525 SH       SOLE                    2525      0     0
ZEBRA TECHNOLOGIES CORP        CL A                989207105      168     4850 SH       SOLE                    4850      0     0
                                                             -------- --------                              -------- ------ -----
TOTAL FOR PAGE 14                                                8553   206792                                206792      0     0
                                                             -------- --------                              -------- ------ -----
GRAND TOTALS                                                   242720 85813888                              85781899  20065 11924
                                                             ======== ========                              ======== ====== =====



 

                                                     FORM 13F INFORMATION TABLE

------------------------------------------------------------------------------------------------------------------------------------

COLUMN 1           COLUMN 2      COLUMN 3      COLUMN 4          COLUMN 5            COLUMN 6      COLUMN 7           COLUMN 8
------------------------------------------------------------------------------------------------------------------------------------
NAMES OF           TITLE OF                     VALUE       SHRS OR   SH/   PUT/    INVESTMENT      OTHER        VOTING AUTHORITY
 ISSUER             CLASS          CUSIP       [x$1000]     PRN AMT   PRN   CALL    DISCRETION     MANAGERS    SOLE   SHARED   NONE
------------------------------------------------------------------------------------------------------------------------------------
Transnational      Common       893776104        816      1,133,645   SH             Sole                   1,133,645
  Financial
  Network, Inc.