According to Lookonchain monitoring, on April 15, 10 U.S. Bitcoin ETFs recorded a net outflow of 457 BTC, with Fidelity accounting for 415 BTC of the outflow. Fidelity currently holds 195,626 BTC, valued at $16.62 billion. Meanwhile, 9 Ethereum ETFs had a net outflow of 20,604 ETH, with Grayscale ETHE responsible for 16,898 ETH of the outflow. Grayscale ETHE currently holds 1,181,284 ETH, valued at $1.94 billion.