BlackRock on a crypto buying spree with over $560 million Bitcoin haul in 5 days

BlackRock’s (NYSE: BLK ) iShares Bitcoin Trust (NASDAQ: IBIT) recorded over $560 million in net Bitcoin ( BTC ) inflows in a week as institutional investors showed renewed interest in the maiden cryptocurrency. Specifically, the fund attracted $565.7 million in net inflows over five trading sessions from October 19 to October 23, making it the strongest-performing fund in the U.S. spot Bitcoin ETF market over the period. Despite IBIT’s gains, the broader U.S. spot Bitcoin ETF market recorded a smaller net inflow of $301.2 million. IBIT attracted $665.2 million on October 19, its largest single-day inflow since October 2025.