MIEKX Performance — MFS International Equity Fund, Class I
Data updated: 2026-09-11
MIEKX returned +3.18% year to date and +8.29% over one year to Jun 2026. The annualised 3-year return is +11.28%. The fund trailed its International Mid-Cap Blend category average: $100 invested three years ago grew to $138, against $156 for the category, and to $108 over one year, against $118. Volatility over the past three years was 12.11% a year. In the 12 months to Jun 2026 the fund lost a net $1.6B, and assets reached $28.87B.
MIEKX Growth of $100
What $100 invested in MFS International Equity Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Mid-Cap Blend category average over the same months.
| Period | MIEKX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $108 | $118 |
| 3 years (Jul 2023 – Jun 2026) | $138 | $156 |
| Since data start (Jan 2023 – Jun 2026) | $145 | $173 |
MIEKX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +3.18% |
| 1 year | +8.29% |
| 3 years (annualised) | +11.28% |
MIEKX Annual Returns
Calendar-year total returns of MFS International Equity Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +3.18% |
| 2025 | +23.12% |
| 2024 | +4.02% |
| 2023 | +9.93% |
MIEKX Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +1.5% | +3.3% | −8.3% | +4.9% | +2.9% | −0.5% | — | — | — | — | — | — |
| 2025 | +5.6% | +1.9% | −0.9% | +3.2% | +4.4% | +2.1% | −2.5% | +1.9% | +2.2% | −0.3% | +1.0% | +2.5% |
| 2024 | −0.5% | +2.9% | +2.3% | −3.2% | +5.0% | −1.5% | +3.0% | +3.5% | +1.4% | −5.2% | −0.8% | −2.2% |
| 2023 | 0.0% | −2.6% | +4.3% | +3.4% | −3.9% | +4.4% | +1.8% | −3.1% | −5.6% | −1.7% | +8.7% | +4.8% |
MIEKX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 12.11%
- 3-year Sharpe ratio: 0.56 (vs 4.5% risk-free rate)
- Best month: +8.68% (Nov 2023)
- Worst month: −8.29% (Mar 2026)
MIEKX Fund Flows
Monthly money in and out of MFS International Equity Fund, from SEC Form N-PORT.
- 12-month net flow: −$1.6B
- 12-month gross sales (incl. reinvestments): $9.1B
- Sales ÷ redemptions: 0.85×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $268.2M | $887.4M | −$619.3M |
| May 2026 | $305.8M | $1.3B | −$965.2M |
| Apr 2026 | $442.9M | $775.4M | −$332.6M |
| Mar 2026 | $849.5M | $1.1B | −$221.1M |
| Feb 2026 | $616.2M | $1.5B | −$857.9M |
| Jan 2026 | $595.6M | $702.0M | −$106.4M |
| Dec 2025 | $1.4B | $1.3B | $79.3M |
| Nov 2025 | $856.7M | $628.6M | $228.1M |
| Oct 2025 | $734.6M | $726.1M | $8.5M |
| Sep 2025 | $830.1M | $656.5M | $173.6M |
| Aug 2025 | $1.1B | $488.6M | $635.8M |
| Jul 2025 | $1.0B | $648.4M | $391.5M |
MIEKX Assets Under Management
Net assets of MFS International Equity Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $28.87B |
| 2026-03-31 | $28.71B |
| 2025-12-31 | $31.00B |
| 2025-09-30 | $30.49B |
| 2025-06-30 | $28.80B |
| 2025-03-31 | $25.22B |
| 2024-12-31 | $23.38B |
| 2024-09-30 | $23.49B |
| 2024-06-30 | $20.75B |
| 2024-03-31 | $19.31B |
| 2023-12-31 | $17.29B |
| 2023-09-30 | $15.11B |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.