SPAXX vs SWVXX vs VMFXX
The default money-market funds at Fidelity, Schwab, and Vanguard - October 2026 month-end filings.
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 October 2026 month-end SEC filings, the three big-brokerage money-market flagships rank: VMFXX 3.88%, SWVXX 3.77%, SPAXX 3.55%.
| SPAXX Fidelity |
SWVXX Schwab |
VMFXX Vanguard | |
|---|---|---|---|
| Fund | Fidelity Government Money Market Fund | Schwab Prime Advantage Money Fund | Vanguard Federal Money Market Fund |
| Category | Government | Prime | Government |
| 7-day net yield | 3.55% | 3.77% | 3.88% |
| Yield as of | |||
| Net assets (class) | $427.5B | $247.8B | $374.1B |
| Implied expense gap | 0.42% | 0.34% | 0.11% |
| WAM / WAL (days) | 39 / 116 | 31 / 59 | 25 / 50 |
| Daily / weekly liquid | 59.0% / 71.0% | 35.8% / 55.5% | 56.0% / 68.6% |
| Minimum investment | None | None | $3,000 |
Five-year yield history
FAQ
Which pays more: SPAXX, SWVXX, or VMFXX?
As of the October 2026 month-end SEC Form N-MFP filings: VMFXX 3.88%, SWVXX 3.77%, SPAXX 3.55%. SWVXX is a prime fund (corporate paper); SPAXX and VMFXX are government funds. Yields move daily - these are month-end regulatory figures.
Numbers only - no recommendation. Pairwise pages: SWVXX vs SPAXX · VMFXX vs SPAXX · VMFXX vs SWVXX