Ken Griffin acquired 174 Thousand ProShares Trust - ProShares UltraShort S&P500 -2x Shares shares worth $3.12 Million. That's 0.00% of their equity portfolio (1977th largest holding). The investor owns 11.53% of the outstanding ProShares Trust - ProShares UltraShort S&P500 -2x Shares stock. The first ProShares Trust - ProShares UltraShort S&P500 -2x Shares trade was made in Q3 2017. Since then Ken Griffin bought shares 47 more times and sold shares on 35 occasions. The investor's estimated purchase price is $17.1 Million, resulting in a loss of 82%.