FRBXX — Fidelity Investments Money Market Treasury Portfolio

Data updated: 2026-06-11

FRBXX — Fidelity Investments Money Market Treasury Portfolio data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Money Market · 0.14% expense ratio. From SEC regulatory filings.

FRBXX Fund Overview

FRBXX — Fidelity Investments Money Market Treasury Portfolio is a US mutual fund managed by Fidelity Colchester Street 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: Fidelity Colchester Street Trust
  • Category: Money Market
  • Ticker: FRBXX
  • SEC CIK: 0000356173
  • SEC series ID: S000004819
  • Share class ID: C000141703

FRBXX Holdings

Top 10 holdings of Fidelity Investments Money Market Treasury Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.

Holding% of net assets
Fixed Income Clearing Corp - BNP4.96%
US Treasury Notes2.88%
US Treasury Notes2.57%
US Treasury Notes2.52%
US Treasury Notes2.40%
US Treasury Notes2.32%
US Treasury Bill2.25%
US Treasury Notes2.17%
US Treasury Bill2.11%
Fixed Income Clearing Corp - Goldman1.94%

View all FRBXX holdings

FRBXX Costs and Fees

FRBXX costs about $14 per $10,000 invested per year in fund expenses.

  • Net expense ratio: 0.14%
  • Gross expense ratio: 0.18%

FRBXX Debt Constituents

No individual debt constituents are reported in Fidelity Investments Money Market Treasury Portfolio's latest SEC N-PORT filing.

FRBXX Prospectus and SEC Filings

Official Fidelity Investments Money Market Treasury Portfolio filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.

Related Funds

Other Money Market funds tracked on ABC INVEST:

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.