The latest data reveals that Blackrock’s spot bitcoin exchange-traded fund (ETF) has increased its bitcoin portfolio, now encompassing 263,937.48 bitcoins valued at $ 17.88 billion. Spot Bitcoin ETF Reserves Reach New Heights Several U.S. spot bitcoin ETFs have bolstered their bitcoin (BTC) holdings, bringing the total for ten ETFs, excluding Grayscale’s Bitcoin Trust (GBTC), …