BlackRock, Fidelity, and Grayscale have collectively purchased 155,000 Ethereum, valued at $704 million, in a single day. BlackRock spearheaded the acquisition with a $500 million investment in Ethereum. This significant purchase on August 14, 2025, underscores the increasing interest and confidence in Ethereum among major financial institutions, marking a strategic move to bolster their presence in the cryptocurrency market.