According to data from Glassnode, US spot Bitcoin exchange-traded funds (ETFs) have recorded their largest balance drawdown of the current market cycle following the early October all-time high. Nonetheless, despite the recent outflows, the broader ETF picture still remains constructive. Bitcoin ETFs See Deepest Cycle Pullback as Balances Fall to 1. 26 Million BTC Glassnode data shows that since October, US spot Bitcoin ETF balances have declined by roughly 100,300 BTC
source: https://beincrypto.com/bitcoin-etf-balance-drawdown-outflows/