FYIXX — Fidelity Treasury Only Money Market Fund
Data updated: 2026-07-10
FYIXX — Fidelity Treasury Only Money Market Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Money Market · 0.37% expense ratio. From SEC regulatory filings.
FYIXX Fund Overview
FYIXX — Fidelity Treasury Only Money Market Fund is a US mutual fund managed by Fidelity Hereford 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 Hereford Street Trust
- Category: Money Market
- Ticker: FYIXX
- SEC CIK: 0000917286
- SEC series ID: S000007053
- Share class ID: C000257340
FYIXX Holdings
Top 10 holdings of Fidelity Treasury Only Money Market Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| US Treasury Bill | 4.43% |
| US Treasury Bill | 4.19% |
| US Treasury Bill | 3.80% |
| US Treasury Bill | 3.76% |
| US Treasury Bill | 3.55% |
| US Treasury Notes | 3.31% |
| US Treasury Bill | 3.12% |
| US Treasury Bill | 3.11% |
| US Treasury Bill | 3.05% |
| US Treasury Bill | 3.00% |
FYIXX Costs and Fees
FYIXX costs about $37 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.37%
- Gross expense ratio: 0.37%
FYIXX Debt Constituents
No individual debt constituents are reported in Fidelity Treasury Only Money Market Fund's latest SEC N-PORT filing.
FYIXX Prospectus and SEC Filings
Official Fidelity Treasury Only Money Market Fund 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.