Tokenized Treasury fund

USTB, launched by Superstate in January 2024, is now the Invesco Short Duration US Government Securities Fund, with Invesco Advisers as investment manager and Superstate running the tokens and the share register. Invesco and Superstate announced the change on 24 March 2026, keeping the same ticker, contracts and token address. Shares are held as tokens on Ethereum, Solana and Plume or in book entry.