Ethereum ETFs Extend Winning Streak as BlackRock’s ETHA Tops $1 Billion in Nine Days

Ethereum’s comeback is starting to look less like a quick trade and more like a sustained institutional bid.

U.S. spot Ethereum exchange-traded funds brought in $225.8 million on August 27, their strongest single-day haul in ten months. The group then added another $102.1 million on August 28, extending the category’s inflow streak to ten trading sessions.

BlackRock’s iShares Ethereum Trust ETF has been the engine behind the move. ETHA collected about $1.02 billion over the first nine sessions, accounting for roughly 72% of the category’s $1.42 billion total during that stretch.

Decrypt reported that the August 27 inflow was the largest for U.S. spot Ethereum ETFs since October 28, 2025, with Fidelity’s FETH adding $56.2 million and BlackRock’s staked Ethereum product ETHB adding $20.7 million that day. The issuer table from Farside Investors shows how heavily ETHA drove the run, while BlackRock’s official iShares Ethereum Trust ETF page identifies ETHA as a regulated vehicle designed to give investors exposure to ether through a traditional brokerage account.

BLACKROCK BOUGHT $888M OF ETH IN 8 DAYS

BlackRock’s clients have net-purchased $889.8M of the ETHA ETF in the past 8 trading days.

There was not a single day when they did not buy. pic.twitter.com/HIiiC0x46A

— Arkham (@arkham) August 27, 2026

The streak is notable because Ethereum funds have spent much of their history living in Bitcoin’s shadow. On August 27, however, Ethereum products took in only $16.5 million less than U.S. spot Bitcoin ETFs despite ether’s much smaller market capitalization.

That does not make Ethereum the new institutional leader. Bitcoin’s ETF complex remains far larger, and one strong stretch cannot erase that gap.

But the flow pattern shows that investors are no longer treating regulated crypto exposure as a one-asset market.

ETHA’s share is the clearest signal. A billion dollars over nine sessions is not one unusually large allocation landing on a quiet day.

It is repeated demand moving through the same product without a net-selling session.

BLACKROCK BUY STREAK: $1 BILLION $ETH

BlackRock’s clients have purchased over $1 Billion of ETH without any days in which they net-sold. In the past 9 days, BlackRock’s ETHA ETF purchased $1.02B of ETH.

BlackRock’s ETHA estimated average buy price is $3,060 ETH. pic.twitter.com/JAy824MUag

— Arkham (@arkham) August 28, 2026

There is an important wording distinction here. These are purchases made to meet demand from ETHA investors, not evidence that BlackRock put more than $1 billion of its own corporate cash into ether.

Investors buy ETF shares, the fund creates units, and ether is acquired to back those shares. The flow still reflects real demand, but it is client-driven demand routed through BlackRock’s product.

The timing adds another layer. Ethereum traded near $2,436 early Saturday after testing the $2,500 area during the week.

That leaves the market balancing two forces: strong regulated-fund demand and traders willing to take profits after a sharp rebound.

The ETF streak gives the bulls something sturdier than a price spike. Capital continued entering the products across multiple sessions and through changing market conditions.

The next test is duration. If Ethereum funds keep adding money into September, the run will begin to look like a lasting allocation shift rather than a burst of catch-up buying.

If flows fade as soon as price momentum cools, the billion-dollar ETHA streak will still be impressive—but it will say more about one strong window than a new institutional baseline.

For now, the signal is clear: Ethereum ETF demand has stayed positive for ten sessions, and BlackRock’s ETHA has captured most of it.

Join the conversation!

We have no tolerance for comments containing violence, racism, profanity, vulgarity, doxing, or discourteous behavior. If a comment is spam, instead of replying to it please click the icon below and to the right of that comment. Thank you for partnering with us to maintain fruitful conversation.