# Massachusetts Bay Transportation Authority Sales Tax Revenue MA BAY TRANS AUTH-A-1

Massachusetts Bay Transportation Authority Sales Tax Revenue MA BAY TRANS AUTH-A-1 is a security (CUSIP 575579R25) tracked across SEC portfolio filings. 5 registered fund positions totaling $32.6M via N-PORT as of 2026-05-31.

## Summary

- Issuer: Massachusetts Bay Transportation Authority Sales Tax Revenue
- Class: MA BAY TRANS AUTH-A-1
- CUSIP: 575579R25
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 5
- N-PORT value: $32.6M
- 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 | $13.6M | 36.87% |
| [Fidelity Massachusetts Municipal Income Fund](https://search.stillhousedata.com/fund/S000007114) | Fidelity Massachusetts Municipal Trust | $8.4M | 51.98% |
| [AB National Portfolio](https://search.stillhousedata.com/fund/S000010351) | AB MUNICIPAL INCOME FUND, INC. | $5.1M | 25.41% |
| [AB Massachusetts Portfolio](https://search.stillhousedata.com/fund/S000010355) | AB MUNICIPAL INCOME FUND II | $4.2M | 156.15% |
| [ELFUN TAX EXEMPT INCOME FUND](https://search.stillhousedata.com/fund/S000011830) | ELFUN TAX EXEMPT INCOME FUND | $1.3M | 16.69% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/575579R25.md)
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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.