Key Takeaways
- BlackRock continues to handle substantial Bitcoin and Ethereum holdings by its ETF merchandise.
- On September 29, BlackRock moved $206 million in Ethereum and $38 million in Bitcoin to Coinbase Prime.
BlackRock, the world’s largest asset supervisor, transferred round 49,607 Ethereum and 340 Bitcoin to Coinbase Prime, the institutional buying and selling and custody platform.
BlackRock holds round $86 billion in Bitcoin and over $16 billion in Ethereum by its spot ETF actions as of Sept. 25.
On September 17, 2025, BlackRock executed the same transaction, depositing 4,538 ETH price $20.4 million to Coinbase Prime whereas receiving 293.6 BTC price $34 million, suggesting potential asset swaps or portfolio rebalancing.
BlackRock filed for a Bitcoin Premium Revenue ETF on September 27, 2025, which might use lined calls to generate yield on spot Bitcoin holdings. The submitting builds on the success of its $86 billion IBIT ETF.

