# Massachusetts Bay Transportation Authority Sales Tax Revenue MA BAY TRANS AUTH-A

Massachusetts Bay Transportation Authority Sales Tax Revenue MA BAY TRANS AUTH-A is a security (CUSIP 575579W29) tracked across SEC portfolio filings. 5 registered fund positions totaling $37.7M via N-PORT as of 2026-05-31.

## Summary

- Issuer: Massachusetts Bay Transportation Authority Sales Tax Revenue
- Class: MA BAY TRANS AUTH-A
- CUSIP: 575579W29
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 5
- N-PORT value: $37.7M
- 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 | $18.8M | 51.10% |
| [Fidelity Massachusetts Municipal Income Fund](https://search.stillhousedata.com/fund/S000007114) | Fidelity Massachusetts Municipal Trust | $11.2M | 69.01% |
| [Pioneer AMT-Free Municipal Fund](https://search.stillhousedata.com/fund/S000010085) | Pioneer Series Trust II | $5.5M | 77.36% |
| [AB National Portfolio](https://search.stillhousedata.com/fund/S000010351) | AB MUNICIPAL INCOME FUND, INC. | $1.1M | 5.29% |
| [AB Tax-Aware Fixed Income Opportunities Portfolio](https://search.stillhousedata.com/fund/S000043269) | AB BOND FUND, INC. | $1.1M | 7.69% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/575579W29.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.