U.S. spot Bitcoin ETFs recorded $635 million in net outflows on May 13, marking a significant day of redemptions for the category. BlackRock’s IBIT led the withdrawals with $285 million in outflows, and ARKB followed with $177 million. A separate market update said BlackRock clients sold $284.68 million worth of Bitcoin, though it did not specify whether the sale was tied to ETF flows, direct holdings, or another channel. Despite the daily pullback, total net assets across U.S. spot Bitcoin ETFs stood at $105.01 billion, while cumulative net inflows remained positive at $58.499 billion.