BlackRock’s IBIT leads bitcoin ETFs with $55M inflows on Monday

US spot bitcoin ETFs pulled in $31.1 million in net inflows on Monday, with BlackRock’s iShares Bitcoin Trust (IBIT) accounting for the lion’s share at $55 million. That means other funds in the category were net sellers on the day, making IBIT’s gravitational pull on capital even more conspicuous. Spot ether ETFs also attracted $17.1 million in inflows on the same day, a modest but positive signal for a product category that has had a more turbulent ride than its Bitcoin counterpart. IBIT’s persistent dominance During the week ending September 25, 2026, US spot bitcoin ETFs collectively hauled in $2.4 billion in net inflows, their strongest weekly total since October 2025. IBIT captured roughly half of that haul, pulling in approximately $1.2 billion on its own. That marked the fund’s second-largest weekly total since October 2025. Fidelity’s FBTC, the closest competitor, managed about $702 million during the same week. A solid number by any standard, but still roughly 40% less than what BlackRock attracted. IBIT’s asset base has swelled to nearly $67 billion. The 2026 flow reversal By mid-July, year-to-date flows had cratered to roughly negative $5.8 billion. Then the tide turned...