FMSXX — Fidelity Massachusetts Municipal Money Market Fund
Data updated: 2026-04-13
FMSXX — Fidelity Massachusetts Municipal Money Market Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Money Market · 0.30% expense ratio. From SEC regulatory filings.
FMSXX Fund Overview
FMSXX — Fidelity Massachusetts Municipal Money Market Fund is a US mutual fund managed by Fidelity Massachusetts Municipal Trust, 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: Fidelity Massachusetts Municipal Trust
- Category: Money Market
- Ticker: FMSXX
- SEC CIK: 0000357057
- SEC series ID: S000007113
- Share class ID: C000019442
FMSXX Holdings
Top 10 holdings of Fidelity Massachusetts Municipal Money Market Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Fidelity Revere Street Trust | 12.59% |
| MA Dept Transn Met Hwy Sys Rev | 3.23% |
| Massachusetts St Hlth & Ed Fac | 2.69% |
| MA Dept Transn Met Hwy Sys Rev | 2.35% |
| MA Dept Transn Met Hwy Sys Rev | 2.18% |
| MA Dept Transn Met Hwy Sys Rev | 2.16% |
| Massachusetts St Hlth & Ed Fac | 2.12% |
| Massachusetts St Hlth & Ed Fac | 1.92% |
| Massachusetts St Dev Fin Agy Rv | 1.86% |
| MA Dept Transn Met Hwy Sys Rev | 1.38% |
FMSXX Costs and Fees
FMSXX costs about $30 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.30%
- Gross expense ratio: 0.30%
FMSXX Debt Constituents
No individual debt constituents are reported in Fidelity Massachusetts Municipal Money Market Fund's latest SEC N-PORT filing.
FMSXX Prospectus and SEC Filings
Official Fidelity Massachusetts 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.