MEDFX — MFS Emerging Markets Debt Fund
Data updated: 2026-06-24
MEDFX — MFS Emerging Markets Debt Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Total / Aggregate Bond · $7.55B AUM · 1.07% expense ratio · 12.1% 1-yr return. From SEC regulatory filings.
MEDFX Fund Overview
MEDFX — MFS Emerging Markets Debt Fund is a US mutual fund managed by Mfs Series Trust X, categorised as Intermediate Total / Aggregate 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 Series Trust X
- Category: Intermediate Total / Aggregate Bond
- Assets under management: $7.55B
- 1-year return: 12.1%
- Ticker: MEDFX
- SEC CIK: 0000783740
- SEC series ID: S000002511
- Share class ID: C000074226
MEDFX Holdings
Top 10 holdings of MFS Emerging Markets Debt Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| MFS Institutional Money Market Portfolio | 4.15% |
| Argentina Republic Government International Bonds | 1.14% |
| Argentina Republic Government International Bonds | 1.02% |
| Ecuador Government International Bonds | 0.98% |
| Argentina Republic Government International Bonds | 0.90% |
| Paraguay Government International Bonds | 0.73% |
| Colombia Government International Bonds | 0.71% |
| Dominican Republic | 0.71% |
| Republic Of Venezuela | 0.67% |
| Ecuador Government International Bonds | 0.64% |
MEDFX Portfolio Allocation
Asset-class allocation of MFS Emerging Markets Debt Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 95.2% |
| Equity | 4.2% |
MEDFX Performance
Total returns for MEDFX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.3% |
| 1 year | 12.1% |
| 3 years (annualised) | 9.4% |
| 5 years (annualised) | 2.6% |
MEDFX Risk Information
Risk metrics for MEDFX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 5.2%
MEDFX Costs and Fees
MEDFX costs about $107 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.07%
- Gross expense ratio: 1.08%
- Portfolio turnover: 69%
- Brokerage commissions: 0.19 bps of average net assets (SEC N-CEN)
MEDFX Cashflows
Over the 12 months to 2026-04, MFS Emerging Markets Debt Fund had net inflows of $120.29M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$32.05M |
| 2026-03 | $24.90M |
| 2026-02 | $53.21M |
| 2026-01 | $94.10M |
| 2025-12 | −$245.69M |
| 2025-11 | $22.86M |
MEDFX Debt Constituents
Largest debt holdings of MFS Emerging Markets Debt Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Argentina Republic Government International Bonds | 1.14% |
| Argentina Republic Government International Bonds | 1.02% |
| Ecuador Government International Bonds | 0.98% |
| Argentina Republic Government International Bonds | 0.90% |
| Paraguay Government International Bonds | 0.73% |
| Colombia Government International Bonds | 0.71% |
| Dominican Republic | 0.71% |
| Republic Of Venezuela | 0.67% |
| Ecuador Government International Bonds | 0.64% |
| Costa Rica Government | 0.64% |
MEDFX Prospectus and SEC Filings
Official MFS Emerging Markets Debt Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Intermediate Total / Aggregate 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.