Bitcoin ETF Flows: AUM Leaders and Net Inflows (2026)
TL;DR: Since US spot Bitcoin ETFs launched in January 2024, they’ve become the dominant channel for institutional Bitcoin exposure. BlackRock’s IBIT leads with roughly ~$35B in assets under management, followed by Fidelity FBTC (~$18B), Grayscale GBTC (~$20B), and ARK 21Shares (ARKB, ~$5B). Cumulative net flows across all US spot ETFs now total tens of billions of dollars and have been a primary driver of Bitcoin’s recovery from the 2022 lows. ...