Odaily Planet Daily News Lookonchain monitored the US spot Bitcoin ETF data on June 19 and showed: 1. Grayscale reduced its holdings of 56 bitcoins, worth approximately US$3.6 million, and currently holds 280,322 bitcoins, worth approximately US$18.22 billion; 2. 9 Bitcoin ETFs reduced their holdings by a total of 442 bitcoins, worth approximately US$28.7 million.