BlackRock clients added new funds to the crypto market this week. According to on-chain data, $52.37 million flowed into Bitcoin. At the same time, another $23.21 million moved into Ethereum. The purchases appeared in wallets associated with BlackRock's digital asset management. Whale tracking data flagged this activity as a new accumulation rather than an internal transfer. Timing is critical. Although the price of cryptocurrencies remains volatile, demand from institutional investors remains unabated. These purchases show steady confidence. Even without price appreciation, large allocators are still building exposure. They seem to be adding during calm sessions rather than chasing spikes.
Bitcoin and Ethereum remain the major bets
Bitcoin continues to dominate BlackRock-related holdings. According to Arkham data, the monitored addresses have over 776,000 BTC. At current prices, that stack is worth more than $70 billion. Ethereum follows as the second pillar, with approximately 3.66 million ETH worth nearly $11.5 billion. Bitcoin and Ethereum together make up the bulk of the portfolio. There are smaller tokens, but they are negligible by comparison.
Just in: BlackRock customers buy $52.37 million in $BTC and $23.21 million in $ETH. pic.twitter.com/0zqFmZIrGT
— Whale Insider (@WhaleInsider) December 13, 2025
This shows a clear strategy. BlackRock's exposure remains focused on assets that are highly liquid, in global demand, and have clear regulations. Recent inflows have reinforced that pattern. Bitcoin has gained more than twice the capital of Ethereum. This gap reflects how financial institutions still view BTC as the primary macro hedge in cryptocurrencies. Ethereum is still important, but Bitcoin will set the tone.
Coinbase Prime Dominates Custody Flow
Most of these assets are located on Coinbase Prime. About 98% of trading balances linked to BlackRock remain there, according to the data. Smaller amounts appear on Circle and some offshore platforms, but the distribution is highly skewed. This concentration highlights how each agency evaluates its regulated infrastructure. Coinbase Prime provides custody, compliance, and enforcement tools designed for large funds. For companies like BlackRock, operational risk is just as important as price exposure. This structure also reflects how we view the scale of cryptocurrency adoption. Institutions don't spread their assets across dozens of venues. They centralize administration, tightly control access, and prioritize reliability over experimentation.
Institutional accumulation sends a clear signal
The size of these acquisitions may seem modest compared to BlackRock's total assets. Still, the message is strong. Institutions will continue to add, not retreat. They do it quietly in day-to-day market conditions, without any hype. This behavior is in sharp contrast to the retail cycle. Retail traders often react to headlines and price movements. Institutions are focused on allocation goals and long-term positioning. These trends fit into that mold.
More importantly, it shows that cryptocurrencies are no longer treated as short-term transactions. For large asset managers and their clients, Bitcoin and Ethereum now exist alongside other strategic assets. They attract capital even when markets are uncertain. That means the signal is steady and not flashy. BlackRock customers are still buying. And they're doing it patiently.

