In one of the largest single-day inflows since Ethereum ETFs launched, three of the world’s biggest asset managers BlackRock , Fidelity, and Grayscale collectively purchased more than $1 billion worth of ETH on August 11, according to on-chain data reviewed by Finbold. BlackRock’s Ethereum ETF (ETHA) accounted for the lion’s share, adding $639.8 million in inflows, while Fidelity contributed $276.9 million and Grayscale purchased roughly $80 million. The buying brought total Ethereum ETF inflows to $1.54 billion between August 11 and 12, based on Farside Investors data . Arkham Intelligence wallet-tracking shows multiple high-value transfers from Coinbase Prime to BlackRock’s ETF wallets, with single transactions exceeding $43 million. Notably, the surge lifts cumulative ETHA inflows above $10.8 billion since launch. ETFS JUST BOUGHT $1 BILLION USD OF ETHEREUM BLACKROCK BOUGHT $640M $ETH FIDELITY BOUGHT $270M $ETH GRAYSCALE BOUGHT $80M $ETH THE INSTITUTIONS ARE COMING FOR $ETH pic.twitter.com/lFt0dmINvj — Arkham (@arkham) August 12, 2025 Ethereum price analysis Ethereum now trades within 6.4% of its all-time high of $4,891 set in November 2021, buoyed by institutional accumulation despite consistent retail selling into strength. Market intelligence platform Santiment notes that retail sentiment remains cautious, a reversal from the “extreme greed” periods in June and late July that preceded short-term pullbacks. The influx comes amid reports that Bitmine is planning a $25 billion ETH acquisition, which, if executed, could further tighten supply and accelerate the rally as global interest in buying Ethereum spikes 1,900% . Interestingly, on July 13, search interest stood at just 5 on Google’s scale of 0 to 100. By August 13, it is projected to hit 100, the highest level in at least a year, marking a 1,900% increase, according to Google Trends data retrieved by Finbold. The post BlackRock, Fidelity, Grayscale scoop $1 billion in Ethereum in a day appeared first on Finbold .