Treasury Only Portfolio — new fund registration

Fidelity Colchester Street Trust registered fund series on Form 485APOS, filed 2026-03-11. Featured series: Treasury Only Portfolio.

Registration

Series & classes (26)

Showing 25 of 26 series/class rows.

SeriesClassTickerNew
Treasury Only PortfolioClass IFSIXX
Treasury Only PortfolioClass IIFOXXX
Treasury Only PortfolioClass IIIFOIXX
Treasury Only PortfolioSelect ClassFTYXX
Treasury Only PortfolioClass IVFOPXX
Treasury Only PortfolioInstitutional ClassFRSXX
Treasury PortfolioClass IFISXX
Treasury PortfolioClass IIFCEXX
Treasury PortfolioClass IIIFCSXX
Treasury PortfolioSelect ClassFTUXX
Treasury PortfolioClass IVFTVXX
Treasury PortfolioInstitutional ClassFRBXX
Government PortfolioClass IFIGXX
Government PortfolioClass IIFCVXX
Government PortfolioClass IIIFCGXX
Government PortfolioSelect ClassFGEXX
Government PortfolioInstitutional ClassFRGXX
Money Market PortfolioClass IFMPXX
Money Market PortfolioClass IIFCIXX
Money Market PortfolioClass IIIFCOXX
Money Market PortfolioSelect ClassFMYXX
Money Market PortfolioInstitutional ClassFNSXX
Tax-Exempt PortfolioClass IFTCXX
Tax-Exempt PortfolioClass IIFEXXX
Tax-Exempt PortfolioClass IIIFETXX

Fees (from the effective prospectus)

Investment objective

Treasury Only Portfolio seeks as high a level of current income as is consistent with the security of principal and liquidity.

Advisers

Other filings by this registrant (9)

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