# Massachusetts Municipal Wholesale Electric Co. Massachusetts Municipal Wholesale Electric Co., Series 2023 A

Massachusetts Municipal Wholesale Electric Co. Massachusetts Municipal Wholesale Electric Co., Series 2023 A is a security (CUSIP 575766BK5) tracked across SEC portfolio filings. 1 registered fund positions totaling $459K via N-PORT as of 2025-08-31.

## Summary

- Issuer: Massachusetts Municipal Wholesale Electric Co.
- Class: Massachusetts Municipal Wholesale Electric Co., Series 2023 A
- CUSIP: 575766BK5
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 1
- N-PORT value: $459K
- N-PORT report: 2025-08-31

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Putnam Massachusetts Tax Exempt Income Fund](https://search.stillhousedata.com/fund/S000006210) | Putnam Massachusetts Tax Exempt Income Fund | $459K | 18.23% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/575766BK5.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.