Ken Griffin acquired 41.8 Thousand U.S. Silica Holdings shares worth $526 Thousand. That's 0.00% of their equity portfolio (3354th largest holding). The first U.S. Silica Holdings trade was made in Q2 2013. Since then Ken Griffin bought shares 57 more times and sold shares on 42 occasions. The investor's estimated purchase price is $922 Thousand, resulting in a loss of 43%.