Data from U.S. spot bitcoin ETFs show that BlackRock increased its holdings by 1,616 bitcoins, valued at about $106.28 million, to a current holding of 325,449 bitcoins, worth about $21.4 billion, while Graydale decreased its holdings by 845 bitcoins, valued at about $55.58 million, to a current holding of 272,160 bitcoins, valued at about $17.89 billion, and nine bitcoin ETFs totaling hold on to 38 bitcoins worth about $2.49 million.