# Commonwealth of Massachusetts MASSACHUSETTS-A

Commonwealth of Massachusetts MASSACHUSETTS-A is a security (CUSIP 57582TCS9) tracked across SEC portfolio filings. 9 registered fund positions totaling $83.5M via N-PORT as of 2026-05-31.

## Summary

- Issuer: Commonwealth of Massachusetts
- Class: MASSACHUSETTS-A
- CUSIP: 57582TCS9
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 9
- N-PORT value: $83.5M
- 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 | $30.3M | 82.19% |
| Eaton Vance Municipal Bond Fund | Eaton Vance Municipal Bond Fund | $15.4M | 287.76% |
| [AB Municipal Income Shares](https://search.stillhousedata.com/fund/S000029560) | AB CORPORATE SHARES | $10.3M | 5.95% |
| BlackRock MuniVest Fund, Inc. | BlackRock MuniVest Fund, Inc. | $6.9M | 163.00% |
| BlackRock MuniYield Quality Fund III, Inc. | BlackRock MuniYield Quality Fund III, Inc. | $6.9M | 47.41% |
| Eaton Vance Municipal Income Trust | Eaton Vance Municipal Income Trust | $4.1M | 96.22% |
| BlackRock MuniHoldings Quality Fund II, Inc. | BlackRock MuniHoldings Quality Fund II, Inc. | $3.5M | 145.77% |
| BlackRock MuniHoldings Fund, Inc. | BlackRock MuniHoldings Fund, Inc. | $3.5M | 15.70% |
| Eaton Vance National Municipal Opportunities Trust | Eaton Vance National Municipal Opportunities Trust | $2.6M | 91.98% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/57582TCS9.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.