Ken Griffin acquired 971 ProShares Trust - ProShares VIX Short-Term Futures ETF shares worth $12.6 Thousand. That's 0.00% of their equity portfolio (4831st largest holding). The first ProShares Trust - ProShares VIX Short-Term Futures ETF trade was made in Q3 2017. Since then Ken Griffin bought shares eleven more times and sold shares on eight occasions. The investor's estimated purchase price is $19.6 Thousand, resulting in a loss of 36%.