According to @FarsideUK, US spot Bitcoin ETFs recorded a total net inflow of $741.5 million on 2025-09-10, based on its aggregated flow tracker for the US Bitcoin ETF cohort, source: @FarsideUK, farside.co.uk/btc. According to @FarsideUK, fund-level flows were FBTC +$299m, IBIT +$211.2m, ARKB +$145.1m, BITB +$44.4m, BTC +$17.6m, HODL +$12m, EZBC +$3.3m, GBTC +$8.9m, while BTCO, BRRR, and BTCW recorded zero flows, source: @FarsideUK, farside.co.uk/btc. According to @FarsideUK, the figures were published on Sep 11, 2025 and cover flows for Sep 10, 2025, with full dataset and disclaimers available at farside.co.uk/btc, source: @FarsideUK, farside.co.uk/btc.

According to @FarsideUK, US spot Bitcoin ETF net flows totaled -$315.9 million on 2025-08-20 (source: Farside Investors tweet on Aug 21, 2025 and ETF flow dashboard). Outflows were led by IBIT -$220 million and ARKB -$75.7 million, with FBTC -$7.5 million, GBTC -$9 million, BRRR -$4.3 million, BITB +$0.6 million, and BTCO, EZBC, HODL, BTCW, BTC at 0 for the day (source: Farside Investors).