A look at the weighted underlying holdings of the Vanguard Mega Cap Value ETF (MGV) shows an impressive 13.5% of holdings on a weighted basis have experienced insider buying within the past six months. Start slideshow:10 ETFs With Stocks That Insiders Are Buying » FedEx Corp (FDX), which makes up 0.50% of the Vanguard Mega Cap Value ETF (MGV), has seen 3 directors and officers purchase shares in the past six months, according to the recent Form 4 data.