According to Cointelegraph, K33 Research data shows that as of December 16, U.S. Bitcoin ETF total assets under management (AUM) surpassed gold ETFs for the first time, reaching $129 billion. Bloomberg ETF analyst Eric Balchunas noted this figure includes spot Bitcoin ETFs and derivatives-based ETFs. Spot Bitcoin ETFs account for $120 billion, while gold spot ETFs hold $125 billion. BlackRock’s iShares Bitcoin Trust (IBIT) leads the BTC ETF market with nearly $60 billion in AUM.