SPAXX vs SWVXX vs VMFXX
The default money-market funds at Fidelity, Schwab, and Vanguard — June 2026 month-end filings.
Data: June 2026 month-end SEC filings
All figures are from the June 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 June 2026 month-end SEC filings, the three big-brokerage money-market flagships rank: VMFXX 3.58%, SWVXX 3.49%, SPAXX 3.29%.
| 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 | 3.29% | 3.49% | 3.58% |
| Yield as of | |||
| Net assets (class) | $424.5B | $247.4B | $374.6B |
| Implied expense gap | 0.42% | 0.34% | 0.11% |
| WAM / WAL (days) | 47 / 113 | 37 / 60 | 25 / 50 |
| Daily / weekly liquid | 58.0% / 71.0% | 42.4% / 55.1% | 53.2% / 69.8% |
| Minimum investment | None | None | $3,000 |
Five-year yield history
FAQ
Which pays more: SPAXX, SWVXX, or VMFXX?
As of the June 2026 month-end SEC Form N-MFP filings: VMFXX 3.58%, SWVXX 3.49%, SPAXX 3.29%. 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