As of April 18th local time, among the major US stock Bitcoin spot ETFs, Grayscale GBTC holds 305,068 BTC, BlackRock IBIT holds 273,140 BTC, Fidelity FBTC holds 152,465 BTC, Ark ARKB holds 44,982 BTC, Bitwise BITB holds 33,382 BTC, and Vanda Investments holds 9,221 BTC. Based on the index price of 63,357 USD on that day, the total holdings of the 11 ETFs are 838,475 BTC, equivalent to approximately US$53.123 billion.