According to a 13F report filed by Macquarie Group with the U.S. Securities and Exchange Commission (SEC), its holdings in BlackRock's spot BTC ETF (IBIT) decreased from 5.126 million shares at the end of December last year to 4.139 million shares at the end of March this year. The value of the assets declined from approximately $255 million to $159 million. Holdings in the spot Ethereum ETF (ETHA) also decreased by 9.5% from 3.634 million shares to 3.289 million shares during the same period.