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U.S. Spot Bitcoin ETFs Post $635 Million Net Outflow on May 13

U.S. spot Bitcoin ETFs saw heavy redemptions on May 13, led by BlackRock’s IBIT, while a separate update said BlackRock clients sold $284.68 million worth of Bitcoin.

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Fact Check
The Odaily newsflash (481271) directly and precisely confirms all key elements of the claim: (1) U.S. spot Bitcoin ETFs recorded a net outflow of $635 million (6.35亿 USD) on May 13; (2) BlackRock's IBIT led withdrawals at -$285 million; (3) ARKB (Ark/21Shares) was the second-largest withdrawer at -$177 million; (4) the category's cumulative historical net inflows remained positive at $58.499 billion. The source also notes this was a record single-day outflow. The Odaily newsflash (481013) corroborates the outflow trend on May 12 ($233 million), and the PAnewslab article confirms cumulative inflows were solidly positive before May 13. All three key claims in the title are verified. The minor uncertainty (0.05) reflects that the primary source is a Chinese crypto news outlet citing SoSoValue data rather than a direct regulatory filing.
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Summary

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.

Terms & Concepts
  • Spot Bitcoin ETF: An exchange-traded fund that holds Bitcoin directly, giving investors exposure to Bitcoin’s market price through a regulated fund structure.
  • Net outflow: A metric indicating that more money left a fund or product than entered it during a specific period.
  • Bitcoin: The largest cryptocurrency by market value, used as a digital asset and payment network on a decentralized blockchain.