BlackRock (NYSE:BLK) is preparing to restructure the share structure of its flagship spot Ethereum exchange-traded fund through a one-for-three reverse share split. The adjustment, approved by the fund’s sponsor, is scheduled to take effect in early October and aims to recalibrate the product’s trading dynamics without altering investors’ overall economic exposure.
The iShares Ethereum Trust ETF, which trades under the ticker ETHA, will consolidate every three existing shares into a single share.
The record date is set for October 5, with the split becoming effective at the open of trading on Nasdaq on October 6.
As a result, the fund’s net asset value per share is expected to roughly triple, while the total value of any investor’s holdings and the overall assets of the trust remain unchanged.
Fractional shares will not be distributed; any remainders will be redeemed for cash deposited into shareholders’ brokerage accounts, a process that could have tax implications depending on individual circumstances.
At the time of the announcement, ETHA shares were changing hands near $14, reflecting a decline of roughly 40 percent year-to-date that has tracked the performance of ether itself.
The reverse split is projected to lift the per-share price into the low-to-mid $40 range, all else equal.
Market observers note that a higher share price can help compress the relative size of the bid-ask spread.
Bloomberg senior ETF analyst Eric Balchunas observed that the change should reduce the cost to trade from around seven basis points to roughly two basis points, describing the current spread as a friction that issuers typically seek to minimize.
BlackRock did not provide an explicit rationale in its regulatory filing.
Industry participants view the move as a routine administrative step designed to improve secondary-market liquidity and trading efficiency rather than a signal about the underlying asset.
Similar reverse splits have been employed by other crypto-related products in the past when share prices drifted lower.
ETHA remains the largest spot ether ETF by a significant margin, with assets under management exceeding $5 billion.
The fund launched in mid-2024 as a non-staking product that seeks to track the price of ether.
BlackRock has since expanded its digital-asset lineup, including a staked version of an ether trust that began trading earlier in 2026. Grayscale’s competing ether fund ranks second in size within the category.
For existing holders, the process is largely automatic. Brokerages and the Depository Trust Company will adjust positions on shareholders’ behalf.
The total market value of an investor’s stake will stay the same immediately after the split, though the number of shares owned will decrease proportionally.
The trust’s aggregate holdings of ether and its overall net assets will be unaffected.Reverse share splits are a standard tool in the ETF industry when share prices fall to levels that make percentage spreads relatively wide.
By raising the unit price, issuers often achieve tighter spreads and lower effective trading costs for both retail and institutional participants.
In this case, the adjustment arrives amid a challenging year for ether prices, yet the product continues to command substantial scale relative to peers.
Investors should note that the corporate action does not change the fund’s investment objective, fee structure, or exposure to the performance of ether.
Those with questions about tax treatment of any fractional-share cash settlements are advised to consult their tax advisors. The split is expected to be reflected in trading beginning October 6, after which ETHA shares will trade on a post-split basis under the same ticker.
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