According to Arkham monitoring data, about 1 hour ago, BlackRock spot bitcoin exchange traded fund IBIT Bitcoin ETF received 347.493 BTC from
Coinbase Prime hot wallet, worth about $22.18 million; around the same time, BlackRock spot Ethereum exchange traded fund ETHA Ethereum ETF received 2420 ETH from
Coinbase Prime hot wallet, worth about $6.34 million.
As of now, BlackRock's bitcoin holdings are about 357,000 BTC, and Ethereum holdings are about 350,000 ETH, with a combined market value of more than $23 billion.