BlackRock's Bitcoin ETF, iShares Bitcoin Trust (IBIT), has accumulated nearly 110,000 BTC worth over $6 billion. The ETF saw a net inflow of $477 million on February 15, with total net inflows reaching $4.6 billion since inception. U.S. BTC ETFs had a strong day with $477 million net flow on February 15. The past week witnessed a surge in new Bitcoin ETFs, accumulating $13.5 billion in just 5 weeks. ETFs have absorbed a significant amount of funds, surpassing all other ETFs in inflows. BlackRock and Fidelity collectively own 203,609 BTC worth $10.6 billion in spot Bitcoin ETFs.