MPOLX — MFS Alabama Municipal Bond Fund
Data updated: 2026-06-11
MPOLX — MFS Alabama Municipal Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Municipal - National Bond · $70.57M AUM · 0.59% expense ratio · 4.3% 1-yr return. From SEC regulatory filings.
MPOLX Fund Overview
MPOLX — MFS Alabama 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: $70.57M
- 1-year return: 4.3%
- Ticker: MPOLX
- SEC CIK: 0000751656
- SEC series ID: S000002521
- Share class ID: C000194226
MPOLX Holdings
Top 10 holdings of MFS Alabama Municipal Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| MFS Institutional Money Market Portfolio | 2.30% |
| Auburn University | 2.15% |
| Baldwin County Public Building Authority | 1.69% |
| Irondale Public Building Authority | 1.49% |
| County of Jefferson AL Sewer Revenue | 1.47% |
| City of Oxford AL | 1.44% |
| State of Alabama Docks Department | 1.44% |
| Kentucky Public Energy Authority | 1.43% |
| Cherokee County Board of Education AL | 1.43% |
| Special Care Facilities Financing Authority of the City of Pell City Alabama | 1.41% |
MPOLX Portfolio Allocation
Asset-class allocation of MFS Alabama Municipal Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 96.7% |
| Cash & Equivalents | 2.3% |
MPOLX Performance
Total returns for MPOLX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.1% |
| 1 year | 4.3% |
| 3 years (annualised) | 3.2% |
| 5 years (annualised) | 0.7% |
MPOLX Risk Information
Risk metrics for MPOLX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 4.9%
MPOLX Costs and Fees
MPOLX costs about $59 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.59%
- Gross expense ratio: 0.77%
- Portfolio turnover: 24%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
MPOLX Cashflows
Over the 12 months to 2026-03, MFS Alabama Municipal Bond Fund had net inflows of $742.33K, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $1.01M |
| 2026-02 | $481.34K |
| 2026-01 | $263.06K |
| 2025-12 | −$622.42K |
| 2025-11 | $1.48M |
| 2025-10 | $108.24K |
MPOLX Debt Constituents
Largest debt holdings of MFS Alabama Municipal Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Auburn University | 2.15% |
| Baldwin County Public Building Authority | 1.69% |
| Irondale Public Building Authority | 1.49% |
| County of Jefferson AL Sewer Revenue | 1.47% |
| City of Oxford AL | 1.44% |
| State of Alabama Docks Department | 1.44% |
| Kentucky Public Energy Authority | 1.43% |
| Cherokee County Board of Education AL | 1.43% |
| Special Care Facilities Financing Authority of the City of Pell City Alabama | 1.41% |
| Mobile County Board of School Commissioners | 1.40% |
MPOLX Prospectus and SEC Filings
Official MFS Alabama Municipal Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
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.