# MASSACHUSETTS ST MA ST/AMBAC 5.5% 8/1/30

MASSACHUSETTS ST MA ST/AMBAC 5.5% 8/1/30 is a security (CUSIP 57582NUZ6) tracked across SEC portfolio filings. 4 registered fund positions totaling $6.8M via N-PORT as of 2026-05-31.

## Summary

- Issuer: MASSACHUSETTS ST
- Class: MA ST/AMBAC 5.5% 8/1/30
- CUSIP: 57582NUZ6
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 4
- N-PORT value: $6.8M
- N-PORT report: 2026-05-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Fidelity Massachusetts Municipal Income Fund](https://search.stillhousedata.com/fund/S000007114) | Fidelity Massachusetts Municipal Trust | $2.2M | 13.64% |
| Eaton Vance Municipal Bond Fund | Eaton Vance Municipal Bond Fund | $2.1M | 39.21% |
| [First Investors Tax Exempt Opportunities Fund](https://search.stillhousedata.com/fund/S000011428) | FIRST INVESTORS TAX EXEMPT FUNDS | $1.4M | 32.78% |
| Eaton Vance Municipal Income Trust | Eaton Vance Municipal Income Trust | $1.1M | 25.51% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/57582NUZ6.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

---

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.