U.S. spot Ethereum ETFs experienced a significant net inflow of $290.35 million on August 21, breaking a four-day streak of outflows. BlackRock's ETHA was the largest contributor, attracting $236.34 million, while Fidelity's FETH followed with $28.53 million. Other notable inflows came from Bitwise, Grayscale, and VanEck, indicating a resurgence in investor interest in Ethereum-backed products.