U.S. spot Bitcoin ETFs pulled about $731 million on Thursday, their strongest single-day haul since January, according to SoSoValue. The session was more than three times the size of any day in the 11-day late-August inflow streak.
Why it matters
BlackRock's IBIT captured roughly $454 million, followed by ARKB at $138 million and Fidelity's FBTC at $74 million. Grayscale's two products added $57 million combined, while VanEck's HODL and WisdomTree's BTCW were the only funds to post outflows, at $20 million and $5 million.
Total net assets closed at $103.34 billion, equal to just over 6% of Bitcoin's market capitalization. Cumulative net inflows since the January 2024 launches reached $55.44 billion. At that scale, daily ETF flows are a direct read on whether institutional demand is building or fading.
Market impact
The print reversed Tuesday's $236 million outflow, when IBIT alone accounted for $201 million in redemptions. The same fund has now driven both the largest outflow and largest inflow of the past week, making concentration a key detail in the headline number.
Friday is the next test. A second consecutive session above $500 million would mark the first sustained institutional bid since the summer. The next print will show whether Thursday was an isolated surge or the start of a broader return of institutional demand.
Frequently asked questions
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Which Bitcoin ETF captured the largest share of Thursday's inflows?
BlackRock's IBIT led with roughly $454 million, ahead of ARKB at $138 million and Fidelity's FBTC at $74 million.
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How large are cumulative net inflows since the spot ETFs launched?
Cumulative net inflows since the January 2024 launches reached $55.44 billion.
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What share of Bitcoin's market cap sits in the spot ETF products?
Total net assets closed at $103.34 billion, equal to just over 6% of Bitcoin's market capitalization.
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Why is Friday's ETF flow report the next key test?
A second consecutive session above $500 million on Friday would mark the first sustained institutional bid since summer.
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Did every named ETF record an inflow on Thursday?
No. VanEck's HODL and WisdomTree's BTCW posted outflows of $20 million and $5 million, respectively.
CoinDesk