Bitcoin ETFs See First Weekly Outflow In Six Weeks As $1B Leaves Funds

U.S. spot Bitcoin ETFs recorded about $1 billion in net outflows this week, ending a six-week run of positive flows that had helped stabilize Bitcoin near the $80,000 zone.

The latest pressure came on May 15, when daily spot Bitcoin ETF flows showed $290.4 million in net redemptions. That was the second-largest daily outflow this month, behind the $630.4 million exit on May 13. Across May 11 to May 15, the funds lost roughly $995.5 million, bringing the weekly total close to the $1 billion mark.

The reversal lands only days after spot Bitcoin funds had completed their longest inflow streak in nine months. That run stretched from the week of April 2 through May 8 and pulled in about $3.4 billion across six consecutive positive weeks. This week’s outflow now breaks that sequence and gives Bitcoin its largest weekly ETF redemption total since January.

BlackRock, Fidelity And Ark Lead The Redemptions

Friday’s selling was broad across the major U.S. Bitcoin ETF complex. BlackRock’s IBIT lost $136.2 million, Ark 21Shares’ ARKB lost $52.5 million, Grayscale’s GBTC lost $43.6 million and Fidelity’s FBTC lost $39.6 million. Bitwise’s BITB also posted $11.6 million in outflows, while several smaller products were flat on the day.

The heavier flow reversal started earlier in the week. May 13 already delivered the category’s largest daily outflow since January, with $630.4 million leaving the funds in a single session. Fidelity, Ark, BlackRock and Bitwise drove that move, turning ETF demand from a support line into a source of short-term pressure.

ETF flows do not translate into a guaranteed Bitcoin price move, but they remain one of the clearest institutional demand signals in the market. Persistent inflows can absorb profit-taking and support liquidity during pullbacks. A weekly outflow near $1 billion does the opposite, especially when Bitcoin is already struggling to reclaim key short-term levels.

Bitcoin Slips Below $79K As Flows Weaken

Bitcoin traded near $78,800 on Saturday, down about 2% over 24 hours, with 24-hour volume near $29.7 billion and market capitalization around $1.58 trillion. The price remains below the $80,000 area that recently acted as the market’s main psychological line.

The ETF reversal also comes as the broader crypto market stays defensive. A recent market snapshot already showed Bitcoin slipping under $80,000 as heavy ETF exits weakened sentiment across majors. This week’s final flow tally confirms that the pressure was not just a one-day rotation.

Bitcoin now needs a cleaner reclaim of the $79,500 to $80,000 zone to repair short-term momentum. If ETF outflows continue into the next trading week, the market could shift its focus back toward the $78,000 area, exchange liquidity and whether long leverage starts to unwind faster below recent support.

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