Odaily Planet Daily News Lookonchain monitored the US spot Bitcoin ETF data on June 27 and showed: 1. Grayscale reduced its holdings of 500 bitcoins, worth approximately US$30.86 million, and currently holds 275,896 bitcoins, worth approximately US$17.03 billion; 2. Fidelity increased its holdings of 262 bitcoins, worth approximately US$16.2 million, and currently holds 167,791 bitcoins, worth approximately US$10.36 billion; 3. 9 Bitcoin ETFs reduced their holdings by a total of 548 bitcoins, worth approximately US$33.86 million.