FNBXX — Fidelity Government Money Market Fund
Data updated: 2026-07-10
FNBXX — Fidelity Government Money Market Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Money Market · 0.25% expense ratio. From SEC regulatory filings.
FNBXX Fund Overview
FNBXX — Fidelity Government 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: FNBXX
- SEC CIK: 0000917286
- SEC series ID: S000007051
- Share class ID: C000198393
FNBXX Holdings
Top 10 holdings of Fidelity Government Money Market Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Fixed Income Clearing Corp - BONY | 2.71% |
| US Treasury Bill | 1.52% |
| US Treasury Bill | 1.51% |
| Fixed Income Clearing Corp - Morgan Stanley | 1.43% |
| US Treasury Bill | 1.37% |
| US Treasury Bill | 1.19% |
| Fixed Income Clearing Corp - CIBC | 1.18% |
| US Treasury Notes | 1.11% |
| US Treasury Notes | 1.02% |
| US Treasury Bill | 1.00% |
FNBXX Costs and Fees
FNBXX costs about $25 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.25%
- Gross expense ratio: 0.27%
FNBXX Debt Constituents
No individual debt constituents are reported in Fidelity Government Money Market Fund's latest SEC N-PORT filing.
FNBXX Prospectus and SEC Filings
Official Fidelity Government 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.