# MFS Pennsylvania Municipal Bond Fund

MFS Pennsylvania Municipal Bond Fund is a registered fund series of MFS Municipal Series Trust (series S000002524). Net assets $189.0M as of 2026-03-31.

## Profile

- Series ID: S000002524
- Registrant: MFS Municipal Series Trust
- LEI: 8MG4769ZL455HON5LD92
- Net assets: $189.0M
- Total assets: $190.9M
- As of: 2026-03-31

## Advisers

- [MASSACHUSETTS FINANCIAL SERVICES COMPANY (Advisor)](https://search.stillhousedata.com/firm/110045)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| [Indiana County Industrial Development Authority](https://search.stillhousedata.com/security/45469NEZ7) | — | $2.4M | 127.69% |
| [Southeastern Pennsylvania Transportation Authority](https://search.stillhousedata.com/security/842039FQ7) | — | $2.1M | 110.20% |
| [Pennsylvania State University (The)](https://search.stillhousedata.com/security/709235W68) | — | $2.1M | 109.96% |
| [City of Philadelphia PA Airport Revenue](https://search.stillhousedata.com/security/717817ZC7) | — | $2.0M | 105.30% |
| [Bucks County Water and Sewer Authority](https://search.stillhousedata.com/security/118683JY8) | — | $1.9M | 103.05% |
| [Montgomery County Higher Education and Health Authority](https://search.stillhousedata.com/security/613603G29) | — | $1.9M | 99.17% |
| [Pennsylvania Higher Educational Facilities Authority](https://search.stillhousedata.com/security/70917TAS0) | — | $1.8M | 94.03% |
| [Chester County Health and Education Facilities Authority](https://search.stillhousedata.com/security/16557HEC5) | — | $1.8M | 92.71% |
| [Pennsylvania Housing Finance Agency](https://search.stillhousedata.com/security/70879Q6S7) | — | $1.7M | 88.84% |
| [MFS Institutional Money Market Portfolio](https://search.stillhousedata.com/security/55291X109) | — | $1.6M | 86.21% |
| [Interboro School District](https://search.stillhousedata.com/security/458436YP1) | — | $1.6M | 83.80% |
| [Pennsylvania Housing Finance Agency](https://search.stillhousedata.com/security/70879QLH4) | — | $1.6M | 82.66% |
| [Philadelphia Gas Works Co.](https://search.stillhousedata.com/security/71783MDF9) | — | $1.6M | 82.49% |
| [Allegheny County Sanitary Authority](https://search.stillhousedata.com/security/017357U85) | — | $1.5M | 81.71% |
| [Bristol Township School District](https://search.stillhousedata.com/security/110290SA2) | — | $1.5M | 81.70% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $189.0M |
| 2025-12-31 | $186.2M |
| 2025-09-30 | $179.5M |
| 2025-06-30 | $167.5M |
| 2025-03-31 | $165.5M |
| 2024-12-31 | $165.7M |
| 2024-09-30 | $165.8M |
| 2024-06-30 | $161.3M |

## More

- [Registrant: MFS Municipal Series Trust](https://search.stillhousedata.com/registrant/751656)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000002524.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.