Odaily Planet Daily News Lookonchain monitored the US spot Bitcoin ETF data on July 15 and showed: 1. BlackRock increased its holdings by approximately 2,072 bitcoins, worth approximately US$130.45 million, and currently holds 316,276 bitcoins, worth approximately US$19.91 billion; 2. Grayscale reduced its holdings by 668 bitcoins, worth approximately US$42.06 million, and currently holds 272,661 bitcoins, worth approximately US$17.17 billion; 3. The 9 Bitcoin ETFs increased their holdings by a total of 4,184 bitcoins, worth approximately US$263.44 million.