According to BlockBeats, on August 16, according to the 13F reports submitted by various hedge funds, hedge funds held a total of US$4.7 billion worth of spot Bitcoin ETFs.
In addition to the previously reported Jane Street first increased its holdings of IBIT worth $221 million in Q2, reduced its holdings of GBTC by 86%, and European asset management company Capula held nearly $500 million in spot Bitcoin ETFs, Ken Griffin's Citadel's holdings of ProShares Bitcoin Strategy ETFs tripled from the first quarter to the second quarter to 860,727 shares, currently worth $19 million. It also holds $67 million in call options and $52 million in put options for the fund. Citadel also holds smaller positions in its remaining BTC ETFs - with a total value of less than $10 million.