According to Lookonchain monitoring, on December 9, ten US bitcoin ETFs had a net inflow of 5045 BTC ($493.04 million), of which BlackRock had inflows of 2525 BTC ($246.76 million). BlackRock currently holds 523,689 BTC, worth about $51.18 billion; Nine Ethereum ETFs had a net inflow of 26,351 ETH ($100.66 million), of which Fidelity had inflows of 11,750 ETH ($44.89 million). Fidelity currently holds 342,750 ETH, worth about $1.31 billion.