Bitcoin News
Bitcoin ETF flows shift after September sell-off

Three-day outflow hits funds
U.S. spot Bitcoin ETFs recorded $282.7 million in net outflows on September 10. This session marked the third consecutive day of net selling. On September 8, funds saw $46.6 million in outflows, while September 9 saw $120.2 million in outflows. The September 10 net outflow of $282.7 million marked the third consecutive day of net selling after funds lost $46.6 million on September 8 and $120.2 million on September 9. The three-day total reached $449.5 million in net outflows after three days of selling.
ARKB led the selling with $164.3 million in outflows.
The selloff hit several products. GBTC lost $36.4 million, while FBTC lost $33.6 million. IBIT recorded $24.5 million in outflows and HODL lost $15.3 million. BITB saw $12.6 million in outflows. MSBT provided an inflow of $4 million. These vendor flow prints do not reflect a change in ETF creation mechanics. September net flows remain $320.5 million positive through September 10. The three-day bleed follows a three-week period where ETFs added $3.8 billion in net inflows.
The $449.5 million three-day outflow follows a strong period for the funds.
IBIT and FBTC comparison
BlackRock’s IBIT holds $60.60 billion in assets, while Fidelity’s FBTC holds $13.56 billion. Both funds charge 0.25%. IBIT saw $1.95 billion in inflows year-to-date. FBTC saw $1.88 billion in outflows year-to-date. IBIT maintains much higher trading volume than FBTC. IBIT attracts more active traders due to its deep options market and liquidity. FBTC appeals to those who prefer a simplified custodial structure.
Fidelity uses its own business, Fidelity Digital Assets, for custody.
The funds track different paths. IBIT uses Coinbase for custody. You should check these differences before choosing. IBIT maintains much higher trading volume. FBTC remains a strong alternative.
| Fund | Ticker | AUM | Fee |
|---|---|---|---|
| iShares Bitcoin Trust | IBIT | $60.60B | 0.25% |
| Fidelity Wise Origin Bitcoin Fund | FBTC | $13.56B | 0.25% |
| Grayscale Bitcoin Trust | GBTC | $9.90B | 1.50% |
| Bitwise Bitcoin ETF | BITB | $2.95B | 0.20% |
| VanEck Bitcoin ETF | HODL | $1.14B | 0.20% |
The scale of IBIT is massive. Its assets under management are nearly five times those of FBTC. IBIT attracts significantly more liquidity than its rivals.
Institutional demand remains
Bitcoin rose above $80,000.
U.S. spot Bitcoin ETFs added $3.8 billion in net inflows over a three-week stretch. BlackRock’s IBIT and Fidelity’s FBTC led these allocations. The Labor Day slowdown on September 4 caused daily inflows to ease. This slowdown did not mean institutions left the market. A three-week inflow stretch shows a sustained pattern of demand.
Bitcoin reached $126,000 in the fall. It fell to less than half that price in early July 2026. The price recovery began in late August. The cumulative net inflow for all spot Bitcoin ETFs stands near $55.17 billion. Aggregate spot Bitcoin ETF assets under management are near $97.49 billion. Will the recent three-day selling trend continue?
Institutional demand remains the verdict.