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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.

SPAXX
Fidelity
SWVXX
Schwab
VMFXX
Vanguard
FundFidelity Government Money Market FundSchwab Prime Advantage Money FundVanguard Federal Money Market Fund
CategoryGovernmentPrimeGovernment
7-day net yield3.55%3.77%3.88%
Yield as of
Net assets (class)$427.5B$247.8B$374.1B
Implied expense gap0.42%0.34%0.11%
WAM / WAL (days)39 / 11631 / 5925 / 50
Daily / weekly liquid59.0% / 71.0%35.8% / 55.5%56.0% / 68.6%
Minimum investmentNoneNone$3,000

Five-year yield history

0.00%1.41%2.81%4.22%5.63%20222023202420252026SPAXX 3.55%SWVXX 3.77%VMFXX 3.88%
Month-end SEC 7-day net yields, last five years. Source: Form N-MFP structured data.

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

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