Fidelity launches money market fund for stablecoin issuers under U.S. GENIUS rules

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Fidelity stablecoin money fund

Highlights

Fidelity launched the Fidelity Reserves Digital Fund (FYMXX) on June 15 as a government money market fund for stablecoin issuers under GENIUS Act rules.
The fund has a $1 million minimum investment, seeks to maintain a $1.00 NAV, charges a 0.25% management fee, and invests only in eligible reserve assets.
Stablecoin reserve funds have proliferated post-GENIUS Act, with State Street, BNY Mellon, Goldman Sachs, and BlackRock introducing similar products amid a $315 billion stablecoin market.

Fund structure and launch terms

As reported by The Block, Fidelity Investments launched the Fidelity Reserves Digital Fund, ticker FYMXX, as a government money market fund designed to serve stablecoin issuers. The fund launches on June 15 and, according to its prospectus, seeks maximum current income while preserving capital and maintaining liquidity.

Shares are offered to institutional investors, including stablecoin issuers, and the prospectus says the fund is expected to be held primarily by one or more issuers as all or part of the reserve assets backing their stablecoins. The fund invests exclusively in eligible reserve assets permitted under the GENIUS Act, including U.S. Treasury bills, notes and bonds, cash, overnight repurchase agreements, and other government money market funds that comply with the stablecoin rules.

Fidelity sets a minimum initial investment of $1 million, although that threshold may be waived or reduced at the fund's discretion. The fund seeks to maintain a stable net asset value of $1.00 per share and charges a 0.25% management fee.

The prospectus also says assets in the fund are expected to fluctuate as stablecoins are created or redeemed. That sensitivity may become more pronounced during periods of market uncertainty or volatility, when reserve flows can shift more sharply.

Competition and market implications

Fidelity enters a growing segment of asset management tied to digital dollar reserves, with investment firms rolling out products aligned with the GENIUS framework. Earlier this week, State Street launched its own stablecoin reserves money market fund, while BNY Mellon, Goldman Sachs, and BlackRock launched similar vehicles last year.

The expansion reflects the rising scale of the stablecoin market after passage of the GENIUS Act in the U.S. Total stablecoin market capitalization stands at about $315 billion as of today, according to DefiLlama data, with Tether's USDT accounting for 59% of the market.

Our earlier analysis of Circle (CRCL) highlighted rising volatility in the stock as the tradable float increased and USDC supply slipped from about $79 billion to $74 billion. We noted that the contraction in USDC reserves could reduce Circle’s reserve-derived interest income, while technical indicators pointed to continued downside risk with key support near $73.66.

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