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BlackRock Bitcoin ETF Pulls In $665 Million While Rivals Lose Money

Reported by Cryptorank ·Tradingview ·Finance
Oct 20, 2026· 2 min read
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Key Takeaways
  • • BlackRock's iShares Bitcoin Trust (IBIT) recorded approximately $665.16 million in net inflows on Monday, October 19, according to SoSoValue fund-flow data.
  • • The broader US spot Bitcoin ETF group posted a combined net inflow of only about $526.6 million, meaning IBIT's gains more than offset outflows elsewhere.
  • • Fidelity's FBTC registered roughly $83.6 million in outflows and Grayscale's GBTC shed about $54.9 million on the same day.
  • • The session followed a Friday in which the group recorded net withdrawals, illustrating how quickly ETF flows can reverse with volatility and risk sentiment.
  • • The data suggest investor preference is concentrating in the market's largest Bitcoin vehicle rather than reflecting uniform demand across products.
Summary
BlackRock's iShares Bitcoin Trust took in approximately $665.16 million on Monday, October 19, according to SoSoValue's fund-flow figures, as reported by NewsBTC. The headline strength of the day, however, masked a narrower pattern. The US spot Bitcoin ETF group as a whole recorded a combined inflow of about $526.6 million, which indicates that IBIT's inflows more than offset withdrawals from competing products.

Fidelity's FBTC registered roughly $83.6 million in outflows, while Grayscale's GBTC shed about $54.9 million. NewsBTC characterized Monday's numbers as pointing to a preference for the market's biggest vehicle, with IBIT having become the default choice for many investors seeking exchange-traded Bitcoin exposure. The report cautioned that a single day's figures cannot establish why individual institutions moved capital.

The session also reversed a Friday in which the group recorded net withdrawals, underscoring how quickly flows can shift around market volatility and broader risk sentiment. NewsBTC further noted that ETF flows are evidence of subscriptions and redemptions rather than a direct measure of new cash purchasing Bitcoin at a given time, as fund mechanics and market-making activity complicate that picture.

The open question, according to the report, is whether demand broadens to other spot Bitcoin products or whether IBIT continues to absorb most of the market's incremental interest.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

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