According to Farside Investors, U.S. Bitcoin ETFs recorded a total net outflow of $530.9 million on 2025-10-16, based on their daily flow tracker (Source: Farside Investors, farside.co.uk/btc). The largest withdrawals were ARKB -$275.2m and FBTC -$132m, followed by GBTC -$45m, IBIT -$29.5m, BTC -$22.5m, BITB -$20.6m, and HODL -$6.1m, while BTCO, EZBC, BRRR, and BTCW posted zero flow (Source: Farside Investors, farside.co.uk/btc). By share of the day’s net outflow, ARKB accounted for ~51.9% and FBTC ~24.9%, with GBTC ~8.5%, IBIT ~5.6%, BTC ~4.2%, BITB ~3.9%, and HODL ~1.2% (Source: Farside Investors, farside.co.uk/btc). Traders tracking primary-market activity may note that the day’s cumulative outflows were concentrated in ARKB and FBTC, while several peers saw no creations or redemptions (Source: Farside Investors, farside.co.uk/btc).