Golden Finance reports that, according to Lookonchain monitoring, on December 19th, ten U.S. Bitcoin ETFs had a net inflow of 2089 BTC ($210.25 million), of which BlackRock had an inflow of 3548 BTC ($357.18 million). Currently, BlackRock holds 553,465 BTC, worth $55.71 billion; nine Ethereum ETFs had a net inflow of 18,894 ETH, of which BlackRock had an inflow of 22,111 ETH ($7.993 million). Currently, BlackRock holds 1,047,490 ETH, worth $3.79 billion.