A look at the weighted underlying holdings of the ProShares ProShares DJ Brookfield Global Infrastructure ETF (TOLZ) shows an impressive 11.7% 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 » EnLink Midstream LLC (ENLC), which makes up 0.21% of the ProShares ProShares DJ Brookfield Global Infrastructure ETF (TOLZ), has seen 2 directors and officers purchase shares in the past six months, according to the recent Form 4 data.