BlackRock just pulled in 115% of all Bitcoin ETF inflows in a single day as rival funds bleed cash
BlackRock’s iShares Bitcoin Trust (IBIT) pulled in extra money than your entire US Bitcoin exchange-traded fund (ETF) market gained on Aug. 27.
IBIT attracted $277.6 million throughout the buying and selling session, whereas US spot Bitcoin ETFs collectively recorded $242.3 million in web inflows, in keeping with Farside Investors knowledge. That means BlackRock’s fund accounted for roughly 115% of the market’s web outcome.
The notable hole got here from redemptions elsewhere. Fidelity’s FBTC misplaced $83.6 million, and Grayscale’s GBTC shed $27.2 million, producing $110.8 million of mixed outflows.
Meanwhile, smaller merchandise offset half of that strain. Bitwise’s BITB, ARK 21Shares’ ARKB, VanEck’s HODL, MSBT and Grayscale’s lower-fee BTC fund attracted a mixed $75.5 million.

Even after these inflows, each fund exterior IBIT collectively completed the session with a $35.3 million web outflow.
BlackRock’s dominance extends past a single session
The $242 million total influx prolonged the broader Bitcoin ETF market’s optimistic streak to 9 consecutive buying and selling periods whereas underlining how the run has depended heavily on BlackRock.
That dependence extends past a single session. Of the roughly $3.05 billion that US Bitcoin ETFs have attracted throughout their nine-day influx streak since Aug. 17, BlackRock’s IBIT has equipped about $2.3 billion, or 75.6% of the full.
IBIT has recorded an influx in each session throughout the run, reinforcing a lead that has been constructing because the fund launched in January 2024.
The fund has gathered about $63 billion in web inflows and manages roughly $62 billion in belongings. The broader US spot Bitcoin ETF market, by comparability, has generated about $54.8 billion in cumulative web inflows and holds roughly $100.9 billion in belongings.
IBIT’s cumulative inflows exceed the class whole as a result of historic redemptions from funds such as Grayscale’s GBTC have offset subscriptions into BlackRock and different merchandise.
Its dominance developed rapidly. IBIT grew to become the quickest ETF on report to achieve $50 billion in belongings, doing so in roughly 11 months, and later crossed $70 billion after 341 buying and selling days.
The product’s affect has additionally expanded into derivatives. Options on IBIT, launched in November 2024, have grown into one of the most important venues for Bitcoin choices publicity, including one other layer of liquidity across the fund.
That depth helps clarify why large allocators have gravitated toward IBIT. Financial advisers, registered funding advisers, hedge funds, household places of work and different institutional traders usually think about liquidity, buying and selling quantity and issuer infrastructure alongside the underlying Bitcoin publicity when choosing an ETF.
BlackRock additionally brings vital distribution attain. The asset supervisor oversees greater than $10 trillion globally and maintains relationships throughout wealth-management and institutional platforms.
The present streak is more and more reflecting these structural benefits. While Bitcoin ETFs as a group proceed to draw capital, roughly three-quarters of the cash getting into over the previous 9 periods has gone to BlackRock’s fund.
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