The leading asset managers, such as BlackRock, Fidelity, and Grayscale, have been engaged in an intense accumulation of Ethereum, acquiring a total of 155,620 ETH on August 13 through their Ether ETF funds. Only the BlackRock iShares Ether Trust (ETHA) contributed 500 million dollars in inflows yesterday. In the first three days of the week, the ETFs have already surpassed 2.2 billion dollars in net inflows, demonstrating strong institutional interest.