According to Farside Investors, the Bitwise spot Bitcoin ETF recorded a daily net flow of -$35 million in US dollars on Dec 23, 2025, indicating an outflow for the day based on their published tracker, source: Farside Investors - farside.co.uk/btc. According to Farside Investors, 10% of profits from this Bitwise product are allocated to Bitcoin developers as noted alongside the flow update, source: Farside Investors - farside.co.uk/btc. According to Farside Investors, full dataset details, issuer breakdowns, and disclaimers for US spot BTC ETF daily flows are available at farside.co.uk/btc, source: Farside Investors - farside.co.uk/btc.