U.S. spot Bitcoin ETFs attracted $2.39 billion in net inflows during the week ended September 25, even as Bitcoin declined 2.3% over the same period.
The funds recorded positive flows on each trading day from September 21 through September 25, according to SoSoValue data (on September 28 at 18:00 UTC). Combined inflows reached about $2.39 billion, led by nearly $999 million on September 21 and $714.75 million on September 22.
According to data from CoinGecko (on September 28 at 18:00 UTC), despite the strong ETF demand, Bitcoin remained under pressure on a weekly basis. BTC was at $83,876.47, down 2.3% over seven days, with a 24-hour range of $82,581.43 to $84,944.97. Its market capitalization stood at about $1.685 trillion.
ETF inflows accelerate during the week
According to SoSoValue data (on September 28 at 18:00 UTC), the strongest daily inflow came on September 21, when spot Bitcoin ETFs recorded $998.95 million. Inflows remained positive at $714.75 million on September 22, followed by $346.98 million on September 23, $190.65 million on September 24, and $134.47 million on September 25. The five-day total was about $2.39 billion.
ETF flows turned positive on September 17 and remained positive through September 25.
BlackRock leads recent ETF demand
According to data from Farside (on September 28 at 18:00 UTC), BlackRock’s IBIT accounted for the largest share of inflows during the latest five-day period.
IBIT attracted about $1.16 billion from September 21 through September 25. Fidelity’s FBTC followed with roughly $702 million, while ARK Invest’s ARKB recorded about $295 million. Morgan Stanley’s MSBT also reported about $203 million in inflows during the period.
The other funds recorded smaller inflows or limited outflows. Bitwise’s BITB, for example, posted an $11.8 million outflow on September 25 after several days of positive or flat flows.
Bitcoin ETFs hold $108.42 billion in assets
According to SoSoValue data (on September 28 at 18:00 UTC), total net assets across U.S. spot Bitcoin ETFs stood at $108.42 billion as of September 25, representing a substantial portion of the Bitcoin market.
Cumulative net inflows reached about $57.55 billion by the end of the week. The funds traded about $2.26 billion in value on September 25, compared with $4.57 billion on September 21.
The cumulative inflow figure has continued to rise despite periods of daily redemptions earlier in the month.
Other crypto ETFs also record inflows
Bitcoin was not the only crypto ETF segment to attract capital during the week.
According to SoSoValue data for September 21 through September 25 (on September 28 at 18:00 UTC), U.S. spot Ethereum ETFs recorded about $689.88 million in net inflows. Solana ETFs attracted $188.22 million, while XRP ETFs recorded $75.59 million.
Zcash ETFs posted $35.17 million in inflows, followed by HYPE ETFs at $9.25 million and DOGE ETFs at $2.89 million.
The figures point to positive flows across several crypto-asset ETF categories during the week, although Bitcoin remained the largest market by assets and weekly inflows.
ETF flows diverge from weekly price action
The latest data highlight a divergence between spot ETF flows and Bitcoin’s weekly price performance. Investors added $2.39 billion to U.S. spot Bitcoin ETFs during the five trading sessions through September 25, while BTC declined 2.3% over seven days.
That divergence leaves ETF flows as a key measure of institutional and regulated-market demand, even as Bitcoin’s spot price remains below recent highs.
With total ETF net assets at $108.42 billion and cumulative inflows at $57.55 billion, the market enters the new week with ETF demand remaining positive despite the recent decline in BTC.
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