After just three months of trading, Fidelity’s FBTC spot Bitcoin exchange-traded fund has officially crossed 150,000 BTC in assets under management. The newborn-nine spot bitcoin ETFs — excluding Grayscale’s converted GBTC fund — total more than 520,000 BTC.

Fidelity’s FBTC has amassed a total of 150,563 BTC in assets — worth around $10.1 billion at current prices — according to the funds’ latest disclosure. Of the newborn-nine ETFs, BlackRock’s IBIT currently leads with 263,937 BTC ($18.5 billion) and Ark Invest 21Shares’ ARKB is third with 43,726 BTC ($3.1 billion), according to CoinGlass data.

In comparison, assets held by Grayscale’s higher fee GBTC fund have fallen 48% from 619,220 BTC to 322,697 BTC in the same period. The combined assets held by all the U.S. spot Bitcoin ETFs …