# Fidelity Massachusetts Municipal Trust

Fidelity Massachusetts Municipal Trust (CIK 357057) is an SEC-registered fund company with 1 reporting fund series and $1.6B in net assets as of 2026-04-30.

## Registrant

- CIK: 357057
- File number: 811-03361
- LEI: ZR1HVIMXG23FFJ363I52
- Address: 245 Summer Street, Boston, US-MA, 02210
- Phone: 1-800-FIDELITY
- Net assets: $1.6B
- Total assets: $1.6B
- Fund series: 1
- Latest report: 2026-04-30

## Fund series (1)

| Series | Net assets |
| --- | --- |
| [Fidelity Massachusetts Municipal Income Fund](https://search.stillhousedata.com/fund/S000007114) | $1.6B |

## Largest reported holdings (across all series)

| Holding | Value |
| --- | --- |
| [Fidelity Revere Street Trust](https://search.stillhousedata.com/security/31635A204) | $68.6M |
| [MASSACHUSETTS ST](https://search.stillhousedata.com/security/57582RR99) | $51.7M |
| [MASSACHUSETTS ST](https://search.stillhousedata.com/security/57582TBM3) | $38.5M |
| [MASSACHUSETTS ST](https://search.stillhousedata.com/security/57582R2F2) | $33.4M |
| [MASSACHUSETTS ST TPK AUTH MET HWY SYS REV](https://search.stillhousedata.com/security/576018AL9) | $30.7M |
| [MASSACHUSETTS ST](https://search.stillhousedata.com/security/57582RW51) | $29.2M |
| [MASSACHUSETTS ST](https://search.stillhousedata.com/security/57582RK47) | $24.1M |
| [MASSACHUSETTS ST](https://search.stillhousedata.com/security/57582TBL5) | $21.6M |
| [MASSACHUSETTS ST TRANSN FD REV](https://search.stillhousedata.com/security/57604TLG9) | $21.0M |
| [MASSACHUSETTS ST SPL OBLIG DEDICATED TAX REV](https://search.stillhousedata.com/security/576002BN8) | $18.5M |
| [MASSACHUSETTS ST SCH BLDG AUTH DEDICATED SALES TAX REV](https://search.stillhousedata.com/security/576000YY3) | $17.0M |
| [MASSACHUSETTS ST SPL OBLIG DEDICATED TAX REV](https://search.stillhousedata.com/security/576002BP3) | $16.9M |
| [MASSACHUSETTS ST](https://search.stillhousedata.com/security/57582RN77) | $16.4M |
| [MASSACHUSETTS ST TRANSN FD REV](https://search.stillhousedata.com/security/57604TJJ6) | $16.4M |
| [MASSACHUSETTS ST PORT AUTH REV](https://search.stillhousedata.com/security/575896YK5) | $16.3M |

## More

- [CIK 357057 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=357057&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/registrant/357057.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.