FZBXX - Fidelity Government Money Market Fund
7-day yield, assets, and how it ranks - from the October 2026 month-end N-MFP filing.
Data: October 2026 month-end SEC filings
All figures are from the October 2026 month-end Form N-MFP filings (report date ) - money-market funds must file within five business days of month-end. Regulatory data, not live quotes.
- As of the Form N-MFP filing (October 2026 month-end), FZBXX (Fidelity Government Money Market Fund) has a 7-day net yield of 3.27%.
- FZBXX's 7-day yield ranks #674 of 885 US money-market fund ticker share classes reporting a yield for October 2026.
- FZBXX is a Government money-market fund share class with $8.6B in net assets (#129 of 885 ticker classes by size).
- The fund's series-level 7-day gross yield was 3.97% - the 0.70-point gap to this class's net yield reflects fund expenses.
- At October 2026 month-end the fund's portfolio had a weighted average maturity (WAM) of 39 days and a weighted average life (WAL) of 116 days, with 59.0% of assets in daily liquid assets and 71.0% in weekly liquid assets (SEC minimums: 25% daily, 50% weekly).
- Twelve months earlier (October 2025) FZBXX's 7-day yield was 3.49% - it has moved down 0.22 points over the year.
- FZBXX's highest month-end 7-day yield in the SEC's structured data (since April 2016) is 4.73%, reported for December 2023.
Yield history
Portfolio (series level)
Other share classes of this fund
| Class | Ticker | 7-day yield | Net assets | Min. investment |
|---|---|---|---|---|
| Fidelity Government Money Market Fund | SPAXX | 3.55% | $427.5B | None |
| Fidelity Government Money Market Fund - Premium Class | FZCXX | 3.65% | $13.2B | $100,000 |
| Fidelity Government Money Market Fund - Class K6 | FNBXX | 3.72% | $5.1B | None |
| Fidelity Government Money Market Fund - Capital Reserves Class | FZAXX | 3.04% | $3.5B | None |
| Fidelity Government Money Market Fund - Class M | FZGXX | 3.28% | $214.5M | None |
| Fidelity Government Money Market Fund - Class S | FZSXX | 3.55% | $207.4M | None |
Fund context & source
Fidelity Government Money Market Fund is a series of Fidelity Hereford Street Trust (SEC series ID S000007051). The whole series held $458.4B across all share classes at October 2026 month-end.
This page shows the class's month-end regulatory filing, not a live quote - 7-day yields move daily. For today's yield, check Fidelity. Verify the filing itself on EDGAR: N-MFP filings for this series.
FAQ
What is FZBXX's 7-day yield?
As of the October 2026 month-end SEC Form N-MFP filing (October 29, 2026), FZBXX (Fidelity Government Money Market Fund) has a 7-day net yield of 3.27%.
Is FZBXX a government money market fund?
Yes - FZBXX is classified as a Government money-market fund in its own October 2026 Form N-MFP filing.
What is the minimum initial investment for FZBXX?
FZBXX reports a minimum initial investment of None on its October 2026 Form N-MFP filing.