SPRXX vs VMSXX
Side-by-side 7-day yields from the September 2026 month-end N-MFP filings.
Data: September 2026 month-end SEC filings
All figures are from the September 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 September 2026 month-end filings, SPRXX's 7-day yield of 3.56% is 0.27 points above VMSXX's 3.29%.
| SPRXX | VMSXX | |
|---|---|---|
| Fund | Fidelity Money Market Fund | Vanguard Municipal Money Market Fund |
| Category | Prime | Tax-exempt (national) |
| 7-day net yield | 3.56% | 3.29% |
| Yield as of | ||
| Net assets (class) | $11.7B | $18.9B |
| Series gross 7-day yield | 3.98% | 3.40% |
| Implied expense gap (gross − net) | 0.42% | 0.11% |
| WAM / WAL (days) | 14 / 24 | 16 / 17 |
| Daily / weekly liquid assets | 63.0% / 78.0% | - / 90.1% |
| Minimum initial investment | None | $3,000 |
| 2025 USGO income (state tax) | 14.56% | - |
| Manager | Fidelity Hereford Street Trust | Vanguard Municipal Bond Funds |
Five-year yield history
FAQ
Which has a higher 7-day yield, SPRXX or VMSXX?
SPRXX - as of the September 2026 month-end SEC Form N-MFP filings, SPRXX's 7-day net yield of 3.56% is 0.27 percentage points above VMSXX's 3.29%.
Numbers only - this site makes no recommendation between funds. Both rows come from each fund's own September 2026 month-end Form N-MFP filing; yields move daily, so check each fund company for live figures (links on the SPRXX and VMSXX pages).