Joel Greenblatt's position in U.S. Silica Holdings is currently worth $963 Thousand. That's 0.01% of their equity portfolio (844th largest holding). The first U.S. Silica Holdings trade was made in Q2 2014. Since then Joel Greenblatt bought shares ten more times and sold shares on eleven occasions. The stake costed the investor $884 Thousand, netting the investor a gain of 9.0% so far.