MPALX — MFS Pennsylvania Municipal Bond Fund
Data updated: 2026-08-25
MPALX — MFS Pennsylvania Municipal Bond Fund. Long Municipal - National Bond · $194.75M AUM. Holdings, fees, performance and SEC filings.
MPALX Fund Overview
MPALX — MFS Pennsylvania Municipal Bond Fund is a US mutual fund managed by Mfs Municipal Series Trust, categorised as Long Municipal - National Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Mfs Municipal Series Trust
- Category: Long Municipal - National Bond
- Assets under management: $194.75M
- 1-year return: 7.9%
- Ticker: MPALX
- SEC CIK: 0000751656
- SEC series ID: S000002524
- Share class ID: C000169761
MPALX Holdings
Top 10 holdings of MFS Pennsylvania Municipal Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Indiana County Industrial Development Authority | 1.31% |
| Southeastern Pennsylvania Transportation Authority | 1.09% |
| Pennsylvania State University (The) | 1.08% |
| Cornwall Lebanon School District | 1.07% |
| City of Philadelphia PA Airport Revenue | 1.05% |
| Bucks County Water and Sewer Authority | 1.03% |
| Montgomery County Higher Education and Health Authority | 0.99% |
| MFS Institutional Money Market Portfolio | 0.97% |
| Pennsylvania Higher Educational Facilities Authority | 0.92% |
| Chester County Health and Education Facilities Authority | 0.90% |
MPALX Portfolio Allocation
Asset-class allocation of MFS Pennsylvania Municipal Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 98.1% |
| Cash & Equivalents | 1.4% |
MPALX Performance
Total returns for MPALX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 2.8% |
| 1 year | 7.9% |
| 3 years (annualised) | 4.3% |
| 5 years (annualised) | 0.9% |
MPALX Risk Information
Risk metrics for MPALX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 4.4%
MPALX Costs and Fees
MPALX costs about $61 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.61%
- Gross expense ratio: 0.71%
- Portfolio turnover: 8%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
MPALX Cashflows
Over the 12 months to 2026-06, MFS Pennsylvania Municipal Bond Fund had net inflows of $20.23M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | $1.08M |
| 2026-05 | $1.32M |
| 2026-04 | −$381.19K |
| 2026-03 | $471.13K |
| 2026-02 | $1.41M |
| 2026-01 | $2.85M |
MPALX Debt Constituents
Largest debt holdings of MFS Pennsylvania Municipal Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Indiana County Industrial Development Authority | 1.31% |
| Southeastern Pennsylvania Transportation Authority | 1.09% |
| Pennsylvania State University (The) | 1.08% |
| Cornwall Lebanon School District | 1.07% |
| City of Philadelphia PA Airport Revenue | 1.05% |
| Bucks County Water and Sewer Authority | 1.03% |
| Montgomery County Higher Education and Health Authority | 0.99% |
| Pennsylvania Higher Educational Facilities Authority | 0.92% |
| Chester County Health and Education Facilities Authority | 0.90% |
| Pennsylvania Housing Finance Agency | 0.86% |
MPALX Prospectus and SEC Filings
Official MFS Pennsylvania Municipal Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-07-28
- Prospectus (485BPOS) — filed 2025-07-28
- Prospectus (485BPOS) — filed 2024-07-26
- Portfolio holdings (N-PORT) — filed 2026-08-25
- Portfolio holdings (N-PORT) — filed 2026-05-26
- Portfolio holdings (N-PORT) — filed 2026-02-25
- Annual census (N-CEN) — filed 2026-06-11
- Annual census (N-CEN) — filed 2025-06-11
Related Funds
Other Long Municipal - National Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.