US spot Bitcoin ETFs recorded a nine-day inflow streak starting September 17, 2026, totaling approximately $3 billion. This period reversed the year-to-date net flows from a deficit of $5.8 billion to a positive balance of roughly $934 million.
The week ending September 25 saw net inflows of $2.4 billion, the highest weekly volume since October 2025. On September 21 alone, the funds attracted nearly $999 million. During this streak, Bitcoin prices stabilized between $83,000 and $87,000.
BlackRock’s IBIT led the market with $1.2 billion in weekly inflows, followed by Fidelity’s FBTC with $702 million and ARK 21Shares’ ARKB with $295 million. These three products represented over 90% of the total capital inflow for the week.
Since their inception in January 2024, US spot Bitcoin ETFs have accumulated over $57 billion in cumulative net inflows. By late September 2026, the total assets under management for the category reached approximately $108 billion.
