Odaily Planet Daily News Lookonchain monitored the US spot Bitcoin ETF data on June 4 and showed: 1. Grayscale GBTC holds 1,876 bitcoins, worth approximately US$130.65 million; 2. Grayscale currently holds a total of 285,081 bitcoins, worth approximately US$19.86 billion; 3. Fidelity increased its holdings by 1,115 bitcoins, worth approximately US$77.67 million, and currently holds a total of 165,233 bitcoins, worth approximately US$11.51 billion; 4. 9 Bitcoin ETFs reduced their holdings by a total of 189 bitcoins, worth approximately US$13.2 million.