According to Lookonchain's monitoring of the June 13 US spot bitcoin ETF data, 1. Fidelity increased its holdings of 743 bitcoins, worth about 50 million dollars, and currently holds 174,349 bitcoins, worth about 11.74 billion dollars; Grey release reduced its holdings of 1807 bitcoins, worth $121.62 million, and currently holds 282,159 bitcoins, worth about $19 billion; Nine Bitcoin ETFs reduced their holdings by a total of 316 Bitcoin, worth about $21.25 million.