According to data revealed by Arkham, a BlackRock-labeled wallet recently moved 1,134 Bitcoin and 7,255 Ethereum to Coinbase Prime. The transaction, valued at approximately $123 million, represents a strategic move toward the exchange’s institutional custody arm. This flow of assets occurs at a highly sensitive time for the financial giant, which continues to manage the largest exchange-traded funds in the global crypto market.
These movements coincide with a phase of massive outflows from cryptocurrency exchange-traded products (ETPs) in the United States. Data from Farside Investors confirms that spot Bitcoin ETFs reversed their positive trend on December 31, recording net withdrawals of $348 million to close out the year 2025. BlackRock’s IBIT fund led this trend with an outflow of $99 million, despite maintaining its absolute dominance with assets valued at over $67 billion.
Investors will be watching closely to see if these transfers to Coinbase Prime signal further institutional liquidations or custody adjustments for the start of 2026. Monitoring price support stability following the year-end close is crucial, as institutional “whale” activity typically dictates short-term market direction. The resilience of IBIT in the face of capital outflows will determine the sentiment of confidence for the first quarter.
Source: https://intel.arkm.com/explorer/entity/blackrock
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