According to @FarsideUK, BlackRock’s U.S. Bitcoin ETF recorded a US$111.4 million net inflow on Aug 13, 2025, as shown in Farside’s Bitcoin ETF Daily Flow update (source: Farside Investors @FarsideUK, farside.co.uk/btc/). Farside directs readers to its dataset and disclaimers for full flow details and methodology, providing the basis for issuer-level ETF flow tracking relevant to BTC market monitoring (source: Farside Investors @FarsideUK, farside.co.uk/btc/).