Ken Griffin acquired 1.84 Million ProShares Trust - ProShares UltraPro QQQ 3x Shares shares worth $137 Million. That's 0.14% of their equity portfolio (178th largest holding). The investor owns 505.67% 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 54 more times and sold shares on 55 occasions. The stake costed the investor $47.1 Million, netting the investor a gain of 190% so far.