MRTXX — State Street Institutional Treasury Money Market Fund

MRTXX Fund Overview

MRTXX — State Street Institutional Treasury Money Market Fund is a US mutual fund managed by State Street Institutional Investment Trust, categorised as Money Market. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.

• Type: US mutual fund
• Manager: State Street Institutional Investment Trust
• Category: Money Market
• Ticker: MRTXX
• SEC CIK: 0001107414
• SEC series ID: S000019117
• Share class ID: C000276762

MRTXX Debt Constituents

No individual debt constituents are reported in State Street Institutional Treasury Money Market Fund's latest SEC N-PORT filing.

MRTXX Prospectus and SEC Filings

Official State Street Institutional Treasury Money Market Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.

• Prospectus (485BPOS) — filed 2026-06-24
• Annual census (N-CEN) — filed 2026-03-12

Related Funds

Other Money Market funds tracked on ABC INVEST:

• Barings Active Short Duration Bond Fund (BXDIX)
• IVA Worldwide Fund (IVWAX)
• Stadion Tactical Growth Fund (ETFDX)
• BBH Partner Fund - Select Short Term Assets (BBSTX)
• IVA International Fund (IVIOX)

Data Sources

ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.