BlockBeats News, May 31, according to HODL15Capital data, as of today, the US Bitcoin spot ETF holds a total of 1,205,626 BTC, with BlackRock's IBIT holding 660,814 BTC ranking first, Fidelity's FBTC and Grayscale's GBTC ranking second and third with 198,159 BTC and 186,622 BTC, respectively.
