VMSXX - Vanguard Municipal Money Market Fund
7-day yield, assets, and how it ranks - from the September 2026 month-end N-MFP filing.
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 Form N-MFP filing (September 2026 month-end), VMSXX (Vanguard Municipal Money Market Fund) has a 7-day net yield of 3.29%.
- VMSXX's 7-day yield ranks #646 of 886 US money-market fund ticker share classes reporting a yield for September 2026.
- VMSXX is a Tax-exempt (national) money-market fund share class with $18.9B in net assets (#80 of 886 ticker classes by size).
- The fund's series-level 7-day gross yield was 3.40% - the 0.11-point gap to this class's net yield reflects fund expenses.
- At September 2026 month-end the fund's portfolio had a weighted average maturity (WAM) of 16 days and a weighted average life (WAL) of 17 days.
- Twelve months earlier (September 2025) VMSXX's 7-day yield was 2.89% - it has moved up 0.40 points over the year.
- VMSXX's highest month-end 7-day yield in the SEC's structured data (since April 2016) is 4.31%, reported for January 2024.
Yield history
Portfolio (series level)
Compare
VMFXX vs VMSXX · SPAXX vs VMSXX · SWVXX vs VMSXX · FDLXX vs VMSXX · SNSXX vs VMSXX · VMRXX vs VMSXX · SPRXX vs VMSXX · FDRXX vs VMSXX · VUSXX vs VMSXX · FZFXX vs VMSXX · SNVXX vs VMSXX · SNOXX vs VMSXX · FZDXX vs VMSXX · SNAXX vs VMSXX · VMSXX vs SWOXX · VMSXX vs TSCXX · VMSXX vs GABXX
Fund context & source
Vanguard Municipal Money Market Fund is a series of Vanguard Municipal Bond Funds (SEC series ID S000002898). The whole series held $18.9B across all share classes at September 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 Vanguard. Verify the filing itself on EDGAR: N-MFP filings for this series.
FAQ
What is VMSXX's 7-day yield?
As of the September 2026 month-end SEC Form N-MFP filing (September 30, 2026), VMSXX (Vanguard Municipal Money Market Fund) has a 7-day net yield of 3.29%.
Is VMSXX a government money market fund?
No - VMSXX is classified as a Tax-exempt (national) money-market fund in its own September 2026 Form N-MFP filing.
What is the minimum initial investment for VMSXX?
VMSXX reports a minimum initial investment of $3,000 on its September 2026 Form N-MFP filing.