[BlackRock Will Retain 18% of Staking Rewards Generated by Its Staked Ethereum ETF] BlockBeats News, February 18, according to Bloomberg analyst James Seyffart, the latest filing for BlackRock's Staked Ethereum ETF (ticker ETHB) has been released. The filing includes an annual expense ratio of 0.25%. In addition, BlackRock will retain 18% of the total staking rewards from the Ethereum ETF as staking fees.