According to Farside Investors, BlackRock’s spot Bitcoin ETF (IBIT) recorded a US$134.8 million net inflow on Sep 5, 2025, as shown on Farside’s Bitcoin ETF Daily Flow tracker, source: Farside Investors. Under IBIT’s cash-creation structure, net share creations require the trust to purchase spot BTC with incoming cash, so positive flows indicate corresponding Bitcoin acquisitions by the fund, source: BlackRock iShares Bitcoin Trust prospectus. For methodology, potential revisions, and full issuer-by-issuer flow context, refer to Farside’s tracker and disclaimers, source: Farside Investors.