Morgan Stanley has launched a stablecoin reserves fund aimed at issuers that need to hold cash backing their tokens.
A global investment giant that runs trillions in assets, Morgan Stanley, is rolling out a new fund aimed at stablecoin issuers.
The product, called the Stablecoin Reserves Portfolio (MSNXX), is pitched in a Thursday press release as “a new government money market fund” that gives issuers “an eligible money market fund option where they can invest their required reserves.”
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According to the press release, the fund invests “only in cash, U.S. Treasury bills, notes and bonds with remaining maturities of 93 days or less.” The goal is “preservation of capital, daily liquidity and maximum current income,” which means issuers can keep stablecoin reserves safe and still earn on top.
Built Around New Stablecoin Rules
The structure lines up with the GENIUS Act, a U.S. law passed in 2025 that set rules for how stablecoin reserves should be managed. With the new fund, issuers get something that already fits expected rules instead of building their own setups.

That comes as the stablecoin market has grown quickly. Data from Artemis shows total supply at around $321 billion. That’s up about 60% from roughly $200 billion in early 2025, the data shows.
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