The assets under management (AUM) for spot bitcoin ETFs, namely BlackRock (IBIT), the Grayscale Bitcoin Trust (GBTC), Grayscale Bitcoin Mini Trust ETF (BTC), Fidelity (FBTC), Ark Invest/21Shares (ARKB), Bitwise (BITB), Franklin (EZBC), Invesco/Galaxy (BTCO), VanEck (HODL), Valkyrie (BRRR), WisdomTree (BTCW) and Hashdex (DEFI).