Odaily Planet Daily News Lookonchain monitored the US spot Bitcoin ETF data on June 12, showing: 1. Ark 21Shares reduced its holdings of 840 bitcoins, worth approximately US$58.6 million, and currently holds 48,199 bitcoins, worth approximately US$3.36 billion; 2. Grayscale reduced its holdings of 580 bitcoins, worth US$40.5 million, and currently holds 283,966 bitcoins, worth approximately US$19.81 billion; 3. 9 Bitcoin ETFs reduced their holdings by a total of 2,199 bitcoins, worth approximately US$153.4 million.