MFSM — MFS Active Intermediate Muni Bond ETF
Data updated: 2026-07-27
MFSM — MFS Active Intermediate Muni Bond ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Municipal - National Bond · $98.96M AUM · 0.34% expense ratio · 7.1% 1-yr return. From SEC regulatory filings.
MFSM Fund Overview
MFSM — MFS Active Intermediate Muni Bond ETF is a US ETF managed by MFS Active Exchange Traded Funds Trust, categorised as Intermediate Municipal - National Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: MFS Active Exchange Traded Funds Trust
- Category: Intermediate Municipal - National Bond
- Assets under management: $98.96M
- 1-year return: 7.1%
- Ticker: MFSM
- SEC CIK: 0002018846
- SEC series ID: S000085668
- Share class ID: C000251002
MFSM Holdings
Top 10 holdings of MFS Active Intermediate Muni Bond ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| State Street Global Advisors | 4.55% |
| Health & Educational Facilities Authority of the State of Missouri | 0.87% |
| Oklahoma City Public Property Authority | 0.86% |
| Richland County Community Unit School District No 1 | 0.74% |
| County of Pasco FL Solid Waste Disposal & Resource Recovery System Revenue | 0.73% |
| West Cornwall Township Municipal Authority | 0.70% |
| Paulding County Hospital Authority/GA | 0.57% |
| City of St Cloud MN | 0.57% |
| Arapahoe County School District No 5 Cherry Creek | 0.57% |
| Rensselaer County Capital Resource Corp | 0.57% |
MFSM Portfolio Allocation
Asset-class allocation of MFS Active Intermediate Muni Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 95.6% |
| Cash & Equivalents | 4.6% |
MFSM Performance
Total returns for MFSM (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.7% |
| 1 year | 7.1% |
MFSM Risk Information
Risk metrics for MFSM, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.4%
MFSM Costs and Fees
MFSM costs about $34 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.34%
- Gross expense ratio: 0.34%
- Portfolio turnover: 12%
- Brokerage commissions: 0.25 bps of average net assets (SEC N-CEN)
MFSM Cashflows
Over the 12 months to 2026-02, MFS Active Intermediate Muni Bond ETF had net inflows of $32.61M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | $17.80M |
| 2026-01 | $1.26M |
| 2025-12 | $1.87M |
| 2025-11 | $0 |
| 2025-10 | $1.87M |
| 2025-09 | $0 |
MFSM Debt Constituents
Largest debt holdings of MFS Active Intermediate Muni Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Health & Educational Facilities Authority of the State of Missouri | 0.87% |
| Oklahoma City Public Property Authority | 0.86% |
| Richland County Community Unit School District No 1 | 0.74% |
| County of Pasco FL Solid Waste Disposal & Resource Recovery System Revenue | 0.73% |
| West Cornwall Township Municipal Authority | 0.70% |
| Paulding County Hospital Authority/GA | 0.57% |
| City of St Cloud MN | 0.57% |
| Arapahoe County School District No 5 Cherry Creek | 0.57% |
| Rensselaer County Capital Resource Corp | 0.57% |
| Maricopa County Industrial Development Authority | 0.57% |
MFSM Prospectus and SEC Filings
Official MFS Active Intermediate Muni Bond ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Intermediate 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.