# City of Boston MA BOSTON-A

City of Boston MA BOSTON-A is a security (CUSIP 100853Q78) tracked across SEC portfolio filings. 2 registered fund positions totaling $13.0M via N-PORT as of 2026-05-31.

## Summary

- Issuer: City of Boston MA
- Class: BOSTON-A
- CUSIP: 100853Q78
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 2
- N-PORT value: $13.0M
- 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 | $11.2M | 30.39% |
| [BlackRock Strategic Municipal Opportunities Fund](https://search.stillhousedata.com/fund/S000004053) | BlackRock Municipal Series Trust | $1.8M | 5.24% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/100853Q78.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.