Cumulative net inflows into US spot Bitcoin ETFs have reached $55 billion, marking a decline from the peak of $63 billion recorded in October 2025. Prior to this level, inflows had dropped to a low of approximately $50 billion.
Between late August and early September 2026, the market experienced a period of growth with $3.8 billion in inflows over three weeks. This activity briefly pushed total assets under management above the $101 billion mark.
Mid-September 2026 saw significant outflows, with net reductions of $296 million on September 15 and $450 million on September 16. Total holdings across all products currently remain near 649 000 BTC, with net asset values ranging between $95 billion and $103 billion.
BlackRock’s iShares Bitcoin Trust (IBIT) leads the market with cumulative inflows exceeding $63 billion, followed by Fidelity’s FBTC. Conversely, Grayscale’s GBTC has recorded cumulative net outflows exceeding $27 billion since its conversion to an ETF format.
