BlackRock and Fidelity's ETFs currently hold a combined 524,390 BTC worth $31.60 billion
According to data disclosed by Bitcoin Magazine, BlackRock and Fidelity s spot bitcoin ETFs currently hold a total of 524,390 BTC, worth $31 60 billion, which means that in the total 21 million bitcoin, more than 500,000 BTC belong to only two ETFs