# MFS Maryland Municipal Bond Fund

MFS Maryland Municipal Bond Fund is a registered fund series of MFS Municipal Series Trust (series S000002533). Net assets $157.2M as of 2026-03-31.

## Profile

- Series ID: S000002533
- Registrant: MFS Municipal Series Trust
- LEI: NDK106CDS4LPS37O1K93
- Net assets: $157.2M
- Total assets: $157.8M
- 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 |
| --- | --- | --- | --- |
| [MFS Institutional Money Market Portfolio](https://search.stillhousedata.com/security/55291X109) | — | $5.1M | 325.56% |
| [Maryland Economic Development Corp.](https://search.stillhousedata.com/security/57420PJA5) | — | $2.1M | 131.47% |
| [Maryland Economic Development Corp.](https://search.stillhousedata.com/security/57420PHE9) | — | $2.0M | 124.47% |
| [County of Montgomery MD](https://search.stillhousedata.com/security/6133408D3) | — | $1.9M | 120.88% |
| [Maryland Stadium Authority](https://search.stillhousedata.com/security/574296BR9) | — | $1.8M | 113.58% |
| [Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue](https://search.stillhousedata.com/security/74529JPX7) | — | $1.7M | 109.90% |
| [County of Prince George's MD](https://search.stillhousedata.com/security/741702DT8) | — | $1.6M | 102.29% |
| [Washington Metropolitan Area Transit Authority Dedicated Revenue](https://search.stillhousedata.com/security/93878YCN7) | — | $1.6M | 102.25% |
| [Maryland Stadium Authority](https://search.stillhousedata.com/security/574294CS1) | — | $1.6M | 100.00% |
| [County of Anne Arundel MD](https://search.stillhousedata.com/security/03588JLJ9) | — | $1.6M | 99.42% |
| [Maryland Health & Higher Educational Facilities Authority](https://search.stillhousedata.com/security/57421CLS1) | — | $1.6M | 99.37% |
| [Maryland Health & Higher Educational Facilities Authority](https://search.stillhousedata.com/security/57421CNQ3) | — | $1.6M | 98.88% |
| [County of Prince George's MD](https://search.stillhousedata.com/security/741705HL4) | — | $1.5M | 97.00% |
| [Maryland Community Development Administration](https://search.stillhousedata.com/security/20364NEA1) | — | $1.5M | 95.84% |
| [Maryland Stadium Authority](https://search.stillhousedata.com/security/574294BS2) | — | $1.5M | 94.95% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $157.2M |
| 2025-12-31 | $155.2M |
| 2025-09-30 | $149.9M |
| 2025-06-30 | $140.7M |
| 2025-03-31 | $136.0M |
| 2024-12-31 | $129.6M |
| 2024-09-30 | $129.3M |
| 2024-06-30 | $123.3M |

## More

- [Registrant: MFS Municipal Series Trust](https://search.stillhousedata.com/registrant/751656)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000002533.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.