VMSXX — Vanguard Municipal Money Market Fund
Data updated: 2026-02-27
VMSXX — Vanguard Municipal Money Market Fund. Money Market · 0.11% expense ratio. Holdings, fees, performance and SEC filings.
VMSXX Fund Overview
VMSXX — Vanguard Municipal Money Market Fund is a US mutual fund managed by Vanguard Municipal Bond Funds, categorised as Money Market. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Vanguard Municipal Bond Funds
- Category: Money Market
- Ticker: VMSXX
- SEC CIK: 0000225997
- SEC series ID: S000002898
- Share class ID: C000007961
VMSXX Investment Objective and Strategy
Vanguard Municipal Money Market Fund describes its objective and strategy as follows, from its latest prospectus filed with the SEC by Vanguard Municipal Bond Funds.
Investment objective
The Fund seeks to provide current income that is exempt from federal personal income taxes while maintaining liquidity and a stable share price of $1.
Principal investment strategy
The Fund invests in a variety of high-quality, short-term municipal securities. To be considered high quality, a security must be determined by Vanguard to present minimal credit risk based in part on a consideration of maturity, portfolio diversification, portfolio liquidity, and credit quality. The Fund invests in securities with effective maturities of 397 days or less, maintains a dollar-weighted average maturity of 60 days or less, and maintains a dollar-weighted average life of 120 days or less.
VMSXX Holdings
Top 10 holdings of Vanguard Municipal Money Market Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| BlackRock Municipal 2030 Target Term Trust | 1.20% |
| State of Texas | 1.09% |
| JPMorgan Chase Putters /Drivers Trust Revenue TOB | 0.99% |
| BlackRock MuniHoldings California Quality Fund Inc. | 0.93% |
| Invesco Trade Investment Grade Munical Authority | 0.85% |
| South Dakota Health & Educational Facilities Authority | 0.80% |
| University of Colorado Hospital Authority | 0.79% |
| JPMorgan Chase Putters /Drivers Trust Revenue TOB | 0.75% |
| JPMorgan Chase Putters /Drivers Trust Revenue TOB | 0.74% |
| Nuveen Municipal Credit Income Fund | 0.69% |
VMSXX Costs and Fees
VMSXX costs about $11 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.11%
- Gross expense ratio: 0.11%
VMSXX Debt Constituents
No individual debt constituents are reported in Vanguard Municipal Money Market Fund's latest SEC N-PORT filing.
VMSXX Prospectus and SEC Filings
Official Vanguard Municipal Money Market Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Money Market funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.