According to Lookonchain monitoring, on December 31, ten US bitcoin ETFs had a net outflow of 2,736 BTC ($259.51 million), of which Fidelity had an outflow of 1,638 BTC ($155.34 million). Nine Ethereum ETFs have a net outflow of 7,360 ETH ($25.01 million), of which Fidelity has an outflow of 6,000 ETH ($20.39 million), and Fidelity currently holds 462,250 ETH.