MEMIX Performance — MFS Emerging Markets Equity Fund, Class I
Data updated: 2026-09-25
MEMIX returned +18.72% year to date and +44.78% over one year to May 2026. Annualised returns are +23.59% over 3 years and +6.63% over 5 years. Against its Emerging Markets Equity category average the fund came out ahead over three years but behind over one: $100 invested three years ago grew to $189, against $186 for the category, and to $145 over one year, against $149. Volatility over the past three years was 13.97% a year. In the 12 months to May 2026 the fund lost a net $1.4B, and assets reached $10.35B.
MEMIX Growth of $100
What $100 invested in MFS Emerging Markets Equity Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Emerging Markets Equity category average over the same months.
| Period | MEMIX | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $145 | $149 |
| 3 years (Jun 2023 – May 2026) | $189 | $186 |
| 5 years (Jun 2021 – May 2026) | $138 | $145 |
| Since data start (Sep 2019 – May 2026) | $185 | $202 |
MEMIX Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +18.72% |
| 1 year | +44.78% |
| 3 years (annualised) | +23.59% |
| 5 years (annualised) | +6.63% |
MEMIX Annual Returns
Calendar-year total returns of MFS Emerging Markets Equity Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +18.72% |
| 2025 | +33.82% |
| 2024 | +11.23% |
| 2023 | +11.17% |
| 2022 | −19.92% |
| 2021 | −6.77% |
| 2020 | +10.47% |
| 2019 (Sep–Dec) | +14.27% |
MEMIX 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 | +6.2% | +4.2% | −9.7% | +10.9% | +7.1% | — | — | — | — | — | — | — |
| 2025 | +2.6% | +0.8% | +1.5% | +0.7% | +4.0% | +5.6% | +2.4% | +2.4% | +5.4% | +4.1% | −1.6% | +2.1% |
| 2024 | −4.2% | +3.7% | +3.0% | +0.6% | +1.2% | +3.1% | +2.1% | +2.2% | +5.7% | −4.7% | −1.8% | +0.3% |
| 2023 | +10.2% | −6.7% | +3.8% | −0.4% | −2.0% | +5.1% | +4.3% | −5.8% | −1.6% | −3.4% | +5.6% | +3.0% |
| 2022 | +0.3% | −7.8% | −1.8% | −6.6% | +1.9% | −5.8% | −0.5% | −0.7% | −11.0% | −4.0% | +17.5% | −0.7% |
| 2021 | +2.1% | +1.0% | −0.4% | +0.5% | +3.1% | −1.4% | −5.7% | +0.9% | −5.0% | +2.3% | −6.0% | +2.2% |
| 2020 | −5.7% | −5.7% | −18.3% | +8.7% | +0.8% | +7.9% | +7.3% | +3.0% | −1.5% | +0.9% | +9.1% | +7.3% |
| 2019 | — | — | — | — | — | — | — | — | +1.8% | +3.9% | +0.6% | +7.4% |
MEMIX Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 13.97%
- 3-year Sharpe ratio: 1.37 (vs 4.5% risk-free rate)
- Best month: +10.93% (Apr 2026)
- Worst month: −9.69% (Mar 2026)
MEMIX Fund Flows
Monthly money in and out of MFS Emerging Markets Equity Fund, from SEC Form N-PORT.
- 12-month net flow: −$1.4B
- 12-month gross sales (incl. reinvestments): $1.4B
- Sales ÷ redemptions: 0.51×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $88.1M | $456.3M | −$368.2M |
| Apr 2026 | $118.9M | $380.2M | −$261.3M |
| Mar 2026 | $138.8M | $171.6M | −$32.9M |
| Feb 2026 | $124.3M | $246.9M | −$122.6M |
| Jan 2026 | $97.1M | $225.2M | −$128.2M |
| Dec 2025 | $336.0M | $29.2M | $306.9M |
| Nov 2025 | $73.9M | $197.4M | −$123.5M |
| Oct 2025 | $94.4M | $319.8M | −$225.4M |
| Sep 2025 | $45.6M | $284.7M | −$239.1M |
| Aug 2025 | $41.4M | $61.7M | −$20.2M |
| Jul 2025 | $48.2M | $198.1M | −$150.0M |
| Jun 2025 | $211.3M | $209.3M | $2.0M |
MEMIX Assets Under Management
Net assets of MFS Emerging Markets Equity Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $10.35B |
| 2026-02-28 | $10.29B |
| 2025-11-30 | $9.27B |
| 2025-08-31 | $9.14B |
| 2025-05-31 | $8.41B |
| 2025-02-28 | $7.88B |
| 2024-11-30 | $7.67B |
| 2024-08-31 | $7.97B |
| 2024-05-31 | $7.55B |
| 2024-02-29 | $7.43B |
| 2023-11-30 | $7.06B |
| 2023-08-31 | $7.09B |
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.