U.S. spot Bitcoin ETFs took in about $2.4 billion in the week ending Friday, Sept. 25 — their largest weekly haul since October 2025 — flipping 2026 year-to-date net flows back positive to roughly $934 million, according to The Block’s Sept. 26 analysis of SoSoValue data. Friday alone added about $134.5 million, the seventh straight inflow day in a run worth about $3.0 billion since Sept. 17.

Daily pace cooled all week after Monday’s $999.0 million: Tuesday $714.7M, Wednesday $347.0M, Thursday $190.6M, Friday $134.5M. BlackRock’s IBIT led the week with about $1.2 billion; Fidelity’s FBTC added about $701.7 million. Cumulative net inflows since launch stood near $57.6 billion, with net assets about $108.4 billion as of Friday.

Ether and Solana rode the same week

Spot Ether ETFs drew about $689.9 million for the week (after ~$140M outflows the prior week). Spot Solana ETFs logged a record single day of about $86.7 million Friday (Bitwise BSOL ~$55.7M) and about $188.2 million for the week, with combined SOL ETF assets hitting a record near $1.5 billion.

Live Bitcoin marks Sunday morning (~9:11 a.m. MT via Robinhood) were near $84,500. Primary demand stayed green while the daily print cooled — flows are not a straight-line price call. Not investment advice.

Sponsored

Canvas Notch Co

Desert-ready layers that pack light

Trail apparel built for dry country.

Shop gear

Sources