Ken Griffin acquired 1.41M ProShares Trust - ProShares UltraPro QQQ 3x Shares shares worth $129M. That's 0.11% of their equity portfolio (219th largest holding). The investor owns 424.15% of the outstanding ProShares Trust - ProShares UltraPro QQQ 3x Shares stock. The first ProShares Trust - ProShares UltraPro QQQ 3x Shares trade was made in Q1 2014. Since then Ken Griffin bought shares 55 more times and sold shares on 57 occasions. The stake costed the investor $36M, netting the investor a gain of 258% so far.