MIEIX Performance — MFS International Equity Fund, Class R6
Data updated: 2026-09-11
MIEIX returned +3.22% year to date and +8.38% over one year to Jun 2026. Annualised returns are +11.38% over 3 years and +7.43% over 5 years. 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 12.09% a year. In the 12 months to Jun 2026 the fund lost a net $1.6B, and assets reached $28.87B.
MIEIX 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 | MIEIX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $108 | $118 |
| 3 years (Jul 2023 – Jun 2026) | $138 | $156 |
| 5 years (Jul 2021 – Jun 2026) | $143 | $143 |
| Since data start (Jul 2019 – Jun 2026) | $186 | $188 |
MIEIX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +3.22% |
| 1 year | +8.38% |
| 3 years (annualised) | +11.38% |
| 5 years (annualised) | +7.43% |
MIEIX 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) | +3.22% |
| 2025 | +23.23% |
| 2024 | +4.13% |
| 2023 | +19.04% |
| 2022 | −14.82% |
| 2021 | +15.16% |
| 2020 | +11.10% |
| 2019 (Jul–Dec) | +8.05% |
MIEIX 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% | −8.2% | +4.9% | +2.9% | −0.5% | — | — | — | — | — | — |
| 2025 | +5.6% | +1.9% | −0.9% | +3.2% | +4.4% | +2.2% | −2.5% | +2.0% | +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 | +8.7% | −3.0% | +4.2% | +3.4% | −3.9% | +4.4% | +1.8% | −3.1% | −5.6% | −1.7% | +8.7% | +4.8% |
| 2022 | −4.2% | −3.5% | −0.4% | −6.2% | +1.3% | −8.4% | +5.5% | −5.6% | −8.2% | +5.2% | +13.1% | −2.4% |
| 2021 | −2.3% | +0.8% | +2.7% | +3.5% | +4.5% | −1.3% | +1.6% | +2.1% | −3.7% | +4.5% | −2.5% | +4.9% |
| 2020 | −1.8% | −6.8% | −12.5% | +5.8% | +3.9% | +4.3% | +3.8% | +4.1% | −1.8% | −5.3% | +14.4% | +5.1% |
| 2019 | — | — | — | — | — | — | −2.4% | −0.1% | +1.7% | +3.5% | +1.9% | +3.3% |
MIEIX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 12.09%
- 3-year Sharpe ratio: 0.57 (vs 4.5% risk-free rate)
- Best month: +8.70% (Nov 2023)
- Worst month: −8.25% (Mar 2026)
MIEIX 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 |
MIEIX 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.