According to Lookonchain monitoring, 10 US Bitcoin ETFs have net outflows of 3,274 BTC (US$266.53 million), of which BlackRock's Bitcoin ETF has 2,274 BTC (US$185.1 million), and currently it holds 576,046 BTC (US$49.6 billion); 9 Ethereum ETFs had net outflows of 24,029 ETH (US$51.66 million), of which BlackRock's Ethereum ETF had 11,506 ETH (US$24.74 million). Currently, Grayscale ETHE holds 13,06,114 ETH (US$2.81 billion).