# Massachusetts Port Authority MASSACHUSETTS ST PORT AUTH

Massachusetts Port Authority MASSACHUSETTS ST PORT AUTH is a security (CUSIP 575896WR2) tracked across SEC portfolio filings. 2 registered fund positions totaling $6.4M via N-PORT as of 2026-05-29.

## Summary

- Issuer: Massachusetts Port Authority
- Class: MASSACHUSETTS ST PORT AUTH
- CUSIP: 575896WR2
- Asset category: DBT
- 13F holders: 0
- N-PORT fund positions: 2
- N-PORT value: $6.4M
- N-PORT report: 2026-05-29

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| BlackRock Taxable Municipal Bond Trust | BlackRock Taxable Municipal Bond Trust | $3.8M | 36.32% |
| Guggenheim Taxable Municipal Bond & Investment Grade Debt Trust | Guggenheim Taxable Municipal Bond & Investment Grade Debt Trust | $2.6M | 63.91% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/575896WR2.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.