MGRDX Performance — MFS International Growth Fund, Class R6
Data updated: 2026-09-25
MGRDX returned +3.94% year to date and +11.98% over one year to May 2026. Annualised returns are +13.44% over 3 years and +6.42% over 5 years. The fund trailed its International Mid-Cap Growth category average: $100 invested three years ago grew to $146, against $152 for the category, and to $112 over one year, against $119. Volatility over the past three years was 12.82% a year. In the 12 months to May 2026 the fund took in a net $2.7B, and assets reached $23.06B.
MGRDX Growth of $100
What $100 invested in MFS International Growth Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Mid-Cap Growth category average over the same months.
| Period | MGRDX | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $112 | $119 |
| 3 years (Jun 2023 – May 2026) | $146 | $152 |
| 5 years (Jun 2021 – May 2026) | $137 | $128 |
| Since data start (Sep 2019 – May 2026) | $188 | $186 |
MGRDX Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +3.94% |
| 1 year | +11.98% |
| 3 years (annualised) | +13.44% |
| 5 years (annualised) | +6.42% |
MGRDX Annual Returns
Calendar-year total returns of MFS International Growth Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +3.94% |
| 2025 | +21.23% |
| 2024 | +9.24% |
| 2023 | +14.95% |
| 2022 | −15.02% |
| 2021 | +9.64% |
| 2020 | +15.84% |
| 2019 (Sep–Dec) | +10.34% |
MGRDX 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 | +3.3% | +3.6% | −9.8% | +5.0% | +2.5% | — | — | — | — | — | — | — |
| 2025 | +5.0% | +1.8% | −2.4% | +3.8% | +4.0% | +2.6% | −1.2% | +2.0% | +2.7% | +0.9% | −0.3% | +0.8% |
| 2024 | −0.8% | +3.6% | +2.0% | −3.5% | +4.8% | +0.3% | +2.5% | +4.3% | +3.9% | −4.6% | −1.1% | −2.0% |
| 2023 | +8.1% | −3.9% | +5.2% | +2.7% | −3.4% | +3.7% | +2.5% | −3.8% | −6.5% | −2.1% | +7.9% | +5.0% |
| 2022 | −5.3% | −3.8% | +0.8% | −6.0% | +0.1% | −6.8% | +5.4% | −5.0% | −7.9% | +4.3% | +13.4% | −3.5% |
| 2021 | −1.5% | +0.3% | +2.0% | +3.5% | +3.7% | −0.2% | +0.3% | +1.0% | −4.3% | +4.2% | −3.2% | +4.0% |
| 2020 | −2.3% | −6.5% | −10.9% | +7.9% | +3.8% | +4.5% | +5.8% | +4.4% | −1.3% | −3.9% | +10.4% | +5.1% |
| 2019 | — | — | — | — | — | — | — | — | +1.2% | +3.2% | +2.2% | +3.4% |
MGRDX Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 12.82%
- 3-year Sharpe ratio: 0.70 (vs 4.5% risk-free rate)
- Best month: +7.88% (Nov 2023)
- Worst month: −9.85% (Mar 2026)
MGRDX Fund Flows
Monthly money in and out of MFS International Growth Fund, from SEC Form N-PORT.
- 12-month net flow: $2.7B
- 12-month gross sales (incl. reinvestments): $6.8B
- Sales ÷ redemptions: 1.64×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $292.7M | $617.6M | −$324.9M |
| Apr 2026 | $485.5M | $362.7M | $122.8M |
| Mar 2026 | $320.4M | $388.4M | −$68.0M |
| Feb 2026 | $375.7M | $339.4M | $36.4M |
| Jan 2026 | $489.3M | $372.7M | $116.6M |
| Dec 2025 | $1.6B | $345.2M | $1.3B |
| Nov 2025 | $844.1M | $238.6M | $605.4M |
| Oct 2025 | $486.0M | $624.6M | −$138.6M |
| Sep 2025 | $685.9M | $212.7M | $473.2M |
| Aug 2025 | $478.1M | $199.7M | $278.4M |
| Jul 2025 | $370.6M | $209.0M | $161.7M |
| Jun 2025 | $406.3M | $248.1M | $158.2M |
MGRDX Assets Under Management
Net assets of MFS International Growth Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $23.06B |
| 2026-02-28 | $24.03B |
| 2025-11-30 | $22.00B |
| 2025-08-31 | $20.38B |
| 2025-05-31 | $19.12B |
| 2025-02-28 | $17.99B |
| 2024-11-30 | $17.06B |
| 2024-08-31 | $17.51B |
| 2024-05-31 | $16.58B |
| 2024-02-29 | $16.11B |
| 2023-11-30 | $15.26B |
| 2023-08-31 | $15.25B |
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.