Fidelity Investments became the latest Wall Street asset manager on 18 Jun to introduce a money market fund designed for stablecoin issuers under the Guiding and Establishing National Innovation for US Stablecoins Act (GENIUS Act). The product is not new. BlackRock has run a structurally similar fund since November 2022. At least six other managers have introduced their own versions in the interim. What seems to separate them is how loudly each has been pitched.