According to Lookonchain monitoring, on January 20th, ten US Bitcoin ETFs had a net inflow of 5,312 BTC ($555.28 million), with BlackRock having an inflow of 3,570 BTC ($373.23 million) and currently holding 563,135 BTC worth about $58.87 billion;
Nine Ethereum ETFs had a net outflow of 956 ETH ($3.16 million), with Grayscale having an outflow of 5,707 ETH ($18.91 million) and currently holding 1,391,098 ETH worth about $4.61 billion.