According to ChainCatcher, according to the 13-F document submitted by Millennium Management to the SEC's official website, Millennium held BlackRock's IBIT, Grayscale's GBTC, Bitwise's BITB, Fidelity's FBTC and ARK's ARKB in the second quarter, with Bitcoin spot ETF assets of approximately US$1.14 billion. In comparison, its BTC ETF assets in the first quarter were approximately US$2 billion, and it was the institution that held the most spot BTC ETFs in the first quarter.

Millennium reduced its holdings of Bitcoin ETF by more than 40%, of which IBIT reduced its holdings by 48%, FBTC reduced its holdings by 14%, GBTC reduced its holdings by 52%, and BITB increased its holdings by 71%. IBIT reduced its holdings the most, reaching 9.98 million shares, equivalent to approximately US$470 million. (See the figure below for details)

Millennium Management was founded in 1989 and is known for its multi-strategy hedge funds. Its total assets in Q1 were $234 billion, and in Q2 they dropped slightly to $215.9 billion, with crypto investments accounting for less than 1 percent.