BlackRock’s IBIT spot bitcoin exchange-traded fund reached $15 billion in assets under management on March 12 after securing its largest daily inflows since it launched exactly two months earlier.

In bitcoin terms, BlackRock’s IBIT fund has reached more than 212,000 ($15.4 billion) under management, while Fidelity’s FBTC has surpassed 126,000 bitcoin ($9.2 billion) in assets, according to data from BitMEX Research. Ark Invest 21 Shares’ ARKB is in third with over 38,000 bitcoin ($2.8 billion) in assets.

The newborn nine spot bitcoin ETFs — excluding Grayscale’s converted GBTC fund — now exceed 422,000 bitcoin in assets ($31 billion) in total.

Meanwhile, the assets underlying Grayscale’s higher-fee GBTC fund have dropped by 38% to just under 381,000 bitcoin ($27 billion) from around …