# Massachusetts Clean Water Trust/The MA CLEAN WTR TRST-26B

Massachusetts Clean Water Trust/The MA CLEAN WTR TRST-26B is a security (CUSIP 575829NR3) tracked across SEC portfolio filings. 3 registered fund positions totaling $8.2M via N-PORT as of 2026-05-31.

## Summary

- Issuer: Massachusetts Clean Water Trust/The
- Class: MA CLEAN WTR TRST-26B
- CUSIP: 575829NR3
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 3
- N-PORT value: $8.2M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD MASSACHUSETTS TAX-EXEMPT FUND](https://search.stillhousedata.com/fund/S000002870) | VANGUARD MASSACHUSETTS TAX-EXEMPT FUNDS | $3.8M | 10.42% |
| [Tax Exempt Bond Fund of America](https://search.stillhousedata.com/fund/S000009238) | Tax Exempt Bond Fund of America | $2.2M | 0.90% |
| [Fidelity Massachusetts Municipal Income Fund](https://search.stillhousedata.com/fund/S000007114) | Fidelity Massachusetts Municipal Trust | $2.2M | 13.61% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/575829NR3.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.