According to Farside Investors, US spot Bitcoin ETFs recorded a total net outflow of $14.1 million on 2025-08-15, with IBIT +$114.4 million, ARKB -$46.7 million, GBTC -$81.8 million, and all other listed funds (FBTC, BITB, BTCO, EZBC, BRRR, HODL, BTCW) showing 0 flow, source: Farside Investors (farside.co.uk/btc). The composition shows IBIT’s inflow largely offset ARKB and GBTC redemptions, resulting in only a modest net redemption on the day based on the reported figures, source: Farside Investors (farside.co.uk/btc). Excluding GBTC, the combined net flow was +$67.7 million, reflecting net subscriptions among other issuers as calculated from the same dataset, source: Farside Investors (farside.co.uk/btc). These daily ETF flow readings are trading-relevant for tracking BTC primary-market demand via US spot ETFs on the stated date, based solely on the provider’s compilation, source: Farside Investors (farside.co.uk/btc).