VMSXX — Vanguard Municipal Money Market Fund

Data updated: 2026-02-27

VMSXX — Vanguard Municipal Money Market Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Money Market · 0.11% expense ratio. From SEC regulatory 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 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 Trust1.20%
State of Texas1.09%
JPMorgan Chase Putters/Drivers Trust0.99%
BlackRock MuniHoldings California Quality Fund Inc.0.93%
Invesco Trade Investment Grade Munical Authority0.85%
South Dakota Health & Educational Facilities Authority0.80%
University of Colorado Hospital Authority0.79%
Invesco Trust Putter0.75%
JPMorgan Chase Putters /Drivers Trust0.74%
Illinois Finance Authority0.73%

View all VMSXX holdings

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.