MGRCX Performance — MFS International Growth Fund, Class C

Data updated: 2026-09-25

MGRCX returned +3.45% year to date and +10.72% over one year to May 2026. Annualised returns are +12.17% over 3 years and +5.24% over 5 years. The fund trailed its International Mid-Cap Growth category average: $100 invested three years ago grew to $141, against $152 for the category, and to $111 over one year, against $119. Volatility over the past three years was 12.80% a year. In the 12 months to May 2026 the fund took in a net $2.7B, and assets reached $23.06B.

MGRCX 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.

PeriodMGRCXCategory average
1 year (Jun 2025 – May 2026)$111$119
3 years (Jun 2023 – May 2026)$141$152
5 years (Jun 2021 – May 2026)$129$128
Since data start (Sep 2019 – May 2026)$175$186

MGRCX Trailing Returns

Total returns to May 2026, from SEC N-PORT.

PeriodTotal return
YTD+3.45%
1 year+10.72%
3 years (annualised)+12.17%
5 years (annualised)+5.24%

MGRCX Annual Returns

Calendar-year total returns of MFS International Growth Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.

YearTotal return
2026 (Jan–May)+3.45%
2025+19.89%
2024+8.02%
2023+13.68%
2022−15.95%
2021+8.44%
2020+14.58%
2019 (Sep–Dec)+9.90%

MGRCX Monthly Returns

Monthly total returns as reported on SEC Form N-PORT.

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+3.2%+3.5%−9.9%+4.9%+2.4%———————
2025+4.9%+1.7%−2.5%+3.7%+3.9%+2.5%−1.3%+2.0%+2.6%+0.8%−0.4%+0.7%
2024−0.9%+3.5%+1.9%−3.5%+4.7%+0.2%+2.4%+4.2%+3.8%−4.7%−1.2%−2.1%
2023+8.0%−4.0%+5.1%+2.6%−3.5%+3.6%+2.4%−3.9%−6.6%−2.2%+7.8%+4.9%
2022−5.4%−3.8%+0.7%−6.0%0.0%−6.9%+5.3%−5.1%−8.0%+4.2%+13.3%−3.5%
2021−1.6%+0.2%+1.9%+3.4%+3.6%−0.3%+0.2%+0.9%−4.4%+4.2%−3.3%+4.0%
2020−2.4%−6.6%−11.0%+7.8%+3.7%+4.4%+5.7%+4.3%−1.4%−4.0%+10.3%+5.0%
2019————————+1.1%+3.1%+2.1%+3.2%

MGRCX Risk

Risk measures from monthly returns over Jun 2023 – May 2026.

  • 3-year volatility (annualised): 12.80%
  • 3-year Sharpe ratio: 0.60 (vs 4.5% risk-free rate)
  • Best month: +7.77% (Nov 2023)
  • Worst month: −9.93% (Mar 2026)

MGRCX 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×
MonthSalesRedemptionsNet 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

MGRCX Assets Under Management

Net assets of MFS International Growth Fund by report date, from SEC N-PORT filings.

Report dateNet 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.