Fidelity Insti Money Market Funds Money Market Port - Inst Cl
FNSXX
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- Fidelity Investments Money Market - Money Market Portfolio - Institutional Class (FNSXX) is a prime money market fund that seeks a high level of current income consistent with the preservation of principal and liquidity. The fund, part of Fidelity Colchester Street Trust, invests primarily in U.S. dollar-denominated money market securities of domestic and foreign issuers rated in the highest short-term category by nationally recognized rating services or unrated securities of similar quality; U.S. government securities; repurchase agreements collateralized by such securities; and invests more than 25% of assets in the financial services industry. It maintains a stable $1.00 net asset value, targets institutional investors with a $10 million minimum initial investment, and features a 0.14% adjusted expense ratio with monthly dividend distributions. Fidelity Investments Money Market Funds, the sponsor, manages the portfolio through a team led by long-tenured professionals since 2007, with total assets exceeding $159 billion as of late 2025. The fund operates within the taxable prime money market category, serving institutional clients seeking liquidity and yield from high-quality, short-term instruments with average maturities compliant with regulatory standards. Headquartered in Boston, Massachusetts, Fidelity Investments founded the institutional share class in December 2007 and conducts operations globally through its extensive network, focusing on U.S. and international money markets. In recent developments, Fidelity Investments expanded its money market and broader fund offerings amid growing assets under administration reaching $17.5 trillion in Q3 2025, up 17% year-over-year, reflecting strong inflows into cash equivalents amid elevated interest rates. The firm launched new ETFs including municipal bond and managed futures products in 2025, listed an on-chain share class for its Treasury Digital Fund (FYOXX), and completed multiple fund mergers such as Fidelity Advisor Large Cap Fund into Fidelity Large Cap Stock Fund to streamline operations and reduce expenses. These strategic shifts enhance Fidelity's institutional money market capabilities, including FNSXX, without altering its core investment strategy or principal preservation focus.