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US spot bitcoin ETFs surge with $526.6 million in net inflows led by BlackRock

U.S. spot bitcoin ETFs registered roughly $527 million in net inflows on Oct. 19, 2026, driven almost entirely by more than $665 million flowing into BlackRock's IBIT.

Table showing U.S. spot bitcoin ETF flows by fund, highlighting BlackRock's IBIT inflow of $665.2 million and a daily total net inflow of $526.7 million on October 19, 2026.
Image: @LarkDavis

U.S. spot bitcoin exchange-traded funds recorded $526.6 million in net inflows on Monday, Oct. 19, 2026, according to data from SoSoValue and CoinMarketCap. Tracking from Farside Investors and Bitcoin Magazine placed the daily total slightly higher at $526.7 million, marking the sector's largest single-day net inflow in about a month and reversing substantial outflows from the prior week.[2][7][13][4][9][11]

The influx was powered overwhelmingly by BlackRock's iShares Bitcoin Trust (IBIT), which pulled in $665.2 million, according to data from Farside Investors and The Block. This marked IBIT's highest single-day net intake since October 2025. BlackRock was the only fund sponsor to log positive net flows on the day, fully absorbing redemptions elsewhere in the market, including $83.6 million in net outflows from Fidelity's FBTC and $54.9 million from Grayscale's GBTC, while other spot bitcoin ETFs reported zero net flows.[1][3][4][10][11][12][14]

The bitcoin ETF rebound contrasted sharply with other crypto funds. Spot ethereum ETFs lost $103.3 million in net outflows on the same day, extending a negative streak to four consecutive days, with BlackRock's ETHA fund accounting for $95.4 million of those redemptions. Spot solana ETFs also logged $6.72 million in outflows, according to figures shared by Cointelegraph.[1][5][6][7]

Despite the heavy ETF demand, bitcoin's spot price struggled to maintain momentum. After touching $83,100 on Monday, bitcoin retreated to close near $81,900, while SoSoValue data showed total net assets across spot bitcoin ETFs at $105.46 billion.[7][8]

Key facts

  • U.S. spot bitcoin ETFs logged $526.6 million to $526.7 million in net inflows on Oct. 19, 2026, their largest single-day total since Sept. 22.
  • BlackRock's IBIT attracted $665.2 million in net inflows on Oct. 19, 2026, its largest single-day inflow since October 2025.
  • IBIT was the only spot bitcoin ETF to record positive net flows on Oct. 19, 2026.
  • Fidelity's FBTC saw $83.6 million in net outflows, while Grayscale's GBTC shed $54.9 million on Oct. 19, 2026.
  • Spot ether ETFs posted $103.3 million in net outflows on Oct. 19, 2026, with BlackRock's ETHA accounting for $95.4 million of the total.
  • Spot solana ETFs recorded $6.72 million in net outflows on Oct. 19, 2026.
  • SoSoValue data listed total net assets for spot bitcoin ETFs at $105.46 billion, with bitcoin trading at $81,880.82 on Oct. 19, 2026.

Sources 路 13 sources

  1. TB

    The Block@TheBlockCoPost on X 路

    THE BLOCK: BlackRock's iShares Bitcoin Trust $IBIT recorded $665.2 million in net inflows on Monday, its largest since Oct. 7, 2025. This brought the daily net inflow of US spot bitcoin ETFs to $526.6 million. Spot ether ETFs, on the other hand, saw $103.3 million in net outflows, extending their negative streak to four days. bitcoin:native ethereum:native

    Open source
  2. CB

    Crypto Banter@crypto_banterPost on X 路

    馃毃BITCOIN ETFS SEE SHARP REVERSAL WITH $526.60M INFLOWS! U.S. spot bitcoin:native ETFs recorded $526.60 million in net inflows on October 19, according to SoSoValue. This marks a sharp reversal after roughly $229 million in net outflows the prior week. Spot ethereum:native ETFs saw $103.28 million in net outflows the same day.

    Open source
  3. TB

    The BlockArticle 路

    BlackRock鈥檚 IBIT Bitcoin ETF draws $665 million inflow, highest since October 2025 Min Jung, associate researcher at Presto Research, said investors could be positioning for a potential 'catch-up trade' in bitcoin.

    Open source
  4. LD

    Lark Davis@LarkDavisPost on X 路

    Suckers sold, Larry Fink bought. +$527M net inflows yesterday, biggest single day in nearly a month. Fidelity and Grayscale bled out ~$138M combined, but BlackRock casually walked in and hoovered up +$665M on IBIT alone. Single-handedly dragged the entire tape green. Don't fade BlackRock. Source: Farside Investors.

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  5. CR

    CryptoSlate@CryptoSlatePost on X 路

    US spot Bitcoin ($BTC) ETFs drew $526.7M in net inflows on Oct. 19, per SoSoValue. BlackRock鈥檚 IBIT took in $665.2M. US spot Ethereum ($ETH) ETFs lost $103.3M that day, with BlackRock鈥檚 ETHA accounting for $95.4M. via @hardeyjumoh https://t.co/FgFFjyxIQh

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  6. CO

    Cointelegraph@CointelegraphPost on X 路

    馃嚭馃嚫 ETF FLOWS: BTC spot ETFs saw net inflows on Oct. 19, while ETH and SOL spot ETFs saw net outflows. BTC: $526.6M ETH: -$103.28M SOL: -$6.72M https://t.co/psvsfDzXAu

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  7. WB

    Wu Blockchain@WuBlockchainPost on X 路

    US spot Bitcoin ETFs see $527M inflows; BlackRock IBIT leads with $665M According to SoSoValue, U.S. spot Bitcoin ETFs recorded $527 million in net inflows on October 19, led by BlackRock's IBIT with $665 million. Spot Ethereum ETFs saw $103 million in net outflows, with BlackRock's ETHA accounting for $95.4 million. BlackRock is the world's largest asset manager, and its IBIT and ETHA funds recorded the largest inflows and outflows in their respective categories.

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  8. CO

    CoinMarketCap@CoinMarketCapPost on X 路

    馃憖 Bitcoin Left IBIT's $665M on Read Crypto ETFs drew $416.7M on Monday after last week's $602M outflow, and all of it came from one fund. 馃敼 IBIT took in $665.2M, its biggest inflow in over a year, while other BTC ETFs lost $138.5M combined. 馃敼 BTC failed to hold $83K, touching $83.1K before closing lower at $81.9K. 馃敼 Leverage kept building. Funding recovered from near a 90d low, while longs accounted for 82% of liquidations as BTC slipped toward $81.4K.

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  9. BM

    Bitcoin Magazine@BitcoinMagazinePost on X 路

    JUST IN: 馃嚭馃嚫 U.S. Spot Bitcoin ETFs saw $526.7 million in inflows yesterday 馃殌 https://t.co/frfl1sD2ff

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  10. CT

    Coin TelegraphArticle 路

    US Bitcoin ETFs draw $527M in biggest showing since September BlackRock鈥檚 IBIT led the gains with $665.2 million in inflows, offsetting withdrawals from Fidelity and Grayscale, while other funds recorded no net flows.

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  11. CO

    CoindeskArticle 路

    Bitcoin ETFs just saw their biggest day in a month thanks entirely to BlackRock Fidelity's FBTC and Grayscale's GBTC saw outflows of $83.6 million and $54.9 million, respectively.

    Open source
  12. CR

    CryptoSlateArticle 路

    Bitcoin ETF comeback exposes a $630 million divide with Ethereum as BlackRock dominates Monday's inflows more than offset the previous week's net withdrawals, while IBIT was the only fund with positive net flows. Read the full story on CryptoSlate Understand the crypto stories that matter and what to watch next. Get The Catalyst in your inbox

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  13. CO

    CoinMarketCap@CoinMarketCapPost on X 路

    LATEST: 馃搳 US spot Bitcoin ETFs drew $526.6M in net inflows on Monday, the most since Sept. 22, with BlackRock鈥檚 IBIT pulling in $665.2M to offset outflows from FBTC and GBTC. https://t.co/Pd9vPpdipU

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  14. BS

    BSCN@BSCNewsPost on X 路

    BlackRock Leads Bitcoin ETF Flows as Ether Funds Bleed BlackRock鈥檚 (@BlackRock) spot Bitcoin $BTC ETF recorded $665.2 million in net inflows on October 19. The fund helped push total US spot Bitcoin ETF inflows to $526.7 million. Fidelity鈥檚 (@Fidelity) FBTC lost $83.6 million, while Grayscale鈥檚 (@Grayscale) GBTC saw $54.9 million leave. Meanwhile, spot Ether ethereum:native ETFs went the other way, losing $103.3 million in a single session.

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