BlackRock’s spot Bitcoin and Ethereum ETFs recorded a mixed $3.5 billion web lower from capital-share transactions within the second quarter, reversing a $13.9 billion improve a 12 months earlier, in response to new SEC filings.
The $17.4 billion year-over-year swing measures trust-level share creation and redemption exercise.
The Aug. 6 filings for the iShares Bitcoin Belief ETF (IBIT) and iShares Ethereum Belief ETF (ETHA) use the capital-share line for contributions tied to issued shares much less distributions tied to redeemed shares. It’s separate from price-driven modifications within the trusts’ web belongings and buyers’ particular person earnings or losses.
IBIT recorded $4.3 billion of contributions for shares issued and $7.2 billion of distributions for shares redeemed throughout the three months ended June 30. The distinction produced a $2.9 billion web lower.
ETHA recorded $943.3 million in contributions and $1.5 billion in distributions, leading to a $583.4 million lower.
The 2025 IBIT submitting and 2025 ETHA submitting present the mixed $13.9 billion prior-year improve, making a $3.5 billion lower towards this 12 months.
IBIT’s operations lowered web belongings by over $7 billion throughout the second quarter, whereas ETHA’s lowered them by $1.5 billion. These totals embody web realized losses and unrealized depreciation on the belief stage.


The exercise tables positioned 106,148 BTC and 770,839 ETH in rows labeled as belongings bought for share redemptions. The footnotes say these rows embody in-kind distributions valued at $3.85 billion of Bitcoin and $904 million of Ethereum, with out disclosing the unit-level break up.
The complete token portions can’t be handled as wholly open-market gross sales, and the filings don’t establish who initiated the underlying share redemptions.
Three August periods supply a restricted counterweight
As of Aug. 6, Farside Traders’ newest accomplished Bitcoin ETF row confirmed a $196.8 million IBIT influx on Aug. 5, whereas its Ethereum ETF desk confirmed $50.3 million for ETHA. Throughout Aug. 3-5, IBIT captured $478.5 million in inflows, and ETHA drew $83.8 million.
As a nominal scale marker solely, $562.3 million equals 15.9% of $3.5 billion. If August sustains the identical $187.4 million mixed day by day common, it could take about 19 buying and selling periods for BlackRock funds to build up an identical quantity.
That exhibits why persistence over weeks is the extra significant check.





