The BTC Register

Client money

Investment funds

Incomplete on purpose. V1 prints what we can cite without inventing an ETF complex total. Residual math uses IBIT as a floor.

The 965k “US spot complex” print is from April 2025 and is older than the IBIT print. We do not add them. Next ingest: BlackRock, Fidelity, ARK, Bitwise, Grayscale product pages.