According to Odaily, recent data from Lookonchain on July 25 reveals significant changes in the holdings of U.S. spot Bitcoin ETFs. BlackRock has increased its Bitcoin holdings by approximately 1,000 BTC, valued at around $64.69 million. This brings BlackRock's total Bitcoin holdings to 337,036 BTC, worth approximately $21.81 billion. In contrast, Grayscale has reduced its Bitcoin holdings by 428 BTC, valued at around $27.70 million, leaving it with a total of 271,623 BTC, worth approximately $17.58 billion. Overall, nine Bitcoin ETFs collectively increased their holdings by 960 BTC, valued at around $62.14 million.