BTC ETF outflows $635M May 15

Farside Investors’ daily flow tables showed U.S. spot Bitcoin exchange-traded funds posted $630.4 million of net outflows on May 13, 2026, while spot Ethereum ETFs lost another $36.3 million the same day. The withdrawals broke a recent stretch of positive Bitcoin ETF sessions and pushed combined one-day net redemptions across the two asset classes to about $666.7 million. Bitcoin traded around $79,000 to $81,000 on May 15, while Ether changed hands near $2,250 to $2,260, according to market price trackers. ### Which funds accounted for most of the Bitcoin ETF withdrawals? BlackRock’s IBIT led the May 13 Bitcoin ETF pullback with $284.7 million of net outflows, according to Farside’s table. Ark 21Shares’ ARKB followed with $177.1 million of outflows, and Fidelity’s FBTC lost $133.2 million. No other U.S. spot Bitcoin ETF in the table posted a positive flow large enough to offset those redemptions. (farside.co.uk) The same Farside data showed the total for all listed U.S. spot Bitcoin ETFs at negative $630.4 million on May 13. That followed net outflows of $233.2 million on May 12, after a small $27.2 million inflow on May 11. ### How unusual was the May 13 Bitcoin ETF number? CoinDesk reported the $635 million one-day withdrawal was the largest daily outflow since late January, citing ETF flow data. (farside.co.uk) Cointelegraph, citing SoSoValue data, also described the move as the biggest daily outflow since January 29. Farside’s historical table shows larger negative daily totals earlier in the year, including a minimum aggregate daily reading of negative $1.1137 billion across the listed funds. The May 13 figure nonetheless ranked among the largest single-session withdrawals in recent months on the tracker. ### What happened in Ethereum ETFs on the same day? Farside’s Ethereum ETF table showed $36.3 million of net outflows on May 13. (coindesk.com) BlackRock’s ETHA accounted for $21.1 million of that total, while Fidelity’s FETH lost $14.0 million and Bitwise’s ETHW was flat. The May 13 Ethereum withdrawal followed a larger $130.6 million net outflow on May 12, according to the same table. (farside.co.uk) On May 14, the Ethereum group showed a smaller $5.6 million net outflow. ### Where were Bitcoin and Ether trading as the flows were reported? CoinMarketCap data showed Bitcoin trading near $80,462 with a 24-hour range from $79,832 to $81,277 when the page was crawled. (farside.co.uk) Yahoo Finance separately showed Bitcoin at $80,613.98 as of 11:35:06 a.m. UTC on May 15. CoinMarketCap showed Ether near $2,256.61 with a 24-hour range from $2,233.55 to $2,322.23. (farside.co.uk) Forbes’ Ethereum price page listed ETH at $2,260 as of 8:46 a.m. ET on May 15. ### Where should readers look next for the next data point? Farside Investors’ Bitcoin and Ethereum ETF tables showed updated entries for May 14 after the May 13 withdrawals, with Bitcoin funds posting a net $131.3 million inflow and Ethereum funds showing a net $5.6 million outflow. (coinmarketcap.com) Those tables are updated in real time and remain one of the public trackers for the next reported U.S. ETF session. (farside.co.uk) (coinmarketcap.com)