A look at the weighted underlying holdings of the iShares Dow Jones US Financial Sector Index Fund (IYF) shows an impressive 10.5% 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 Validus Holdings Ltd (VR), which makes up 0.13% of the iShares Dow Jones US Financial Sector Index Fund (IYF), has seen 2 directors and officers purchase shares in the past six months, according to the recent Form 4 data.