MFWTX Performance — MFS Global Total Return Fund, Class A

Data updated: 2026-09-28

MFWTX returned +8.23% year to date and +15.20% over one year to Jul 2026. Annualised returns are +10.52% over 3 years and +5.33% over 5 years. The fund beat its Moderate Allocation category average: $100 invested three years ago grew to $135, against $134 for the category, and to $115 over one year, against $112. Volatility over the past three years was 9.12% a year. In the 12 months to Jul 2026 the fund lost a net $60.2M, and assets reached $1.24B.

MFWTX Growth of $100

What $100 invested in MFS Global Total Return Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Moderate Allocation category average over the same months.

PeriodMFWTXCategory average
1 year (Aug 2025 – Jul 2026)$115$112
3 years (Aug 2023 – Jul 2026)$135$134
5 years (Aug 2021 – Jul 2026)$130$129
Since data start (Aug 2019 – Jul 2026)$160$154

MFWTX Trailing Returns

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

PeriodTotal return
YTD+8.23%
1 year+15.20%
3 years (annualised)+10.52%
5 years (annualised)+5.33%

MFWTX Annual Returns

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

YearTotal return
2026 (Jan–Jul)+8.23%
2025+15.67%
2024+3.96%
2023+10.25%
2022−10.82%
2021+8.25%
2020+9.31%
2019 (Aug–Dec)+5.90%

MFWTX Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+3.5%+2.8%−4.9%+3.2%+0.9%−0.2%+2.9%—————
2025+2.4%+1.6%−0.3%+0.6%+2.3%+2.6%−0.7%+3.0%+1.0%−0.7%+1.7%+1.4%
2024−1.1%+0.9%+3.4%−3.1%+3.1%−1.0%+3.9%+2.2%+1.0%−2.6%+1.6%−4.0%
2023+4.9%−3.3%+1.3%+1.7%−3.2%+3.2%+1.9%−1.9%−3.5%−2.2%+6.2%+5.5%
2022−1.8%−2.3%−0.3%−5.4%+1.5%−6.4%+4.1%−3.5%−6.6%+4.6%+7.4%−1.7%
2021−1.0%+1.0%+2.1%+2.4%+2.3%−1.1%+1.0%+0.9%−2.7%+2.2%−2.1%+3.1%
2020−0.8%−4.5%−9.3%+6.2%+2.6%+1.8%+3.3%+2.3%−1.3%−1.6%+8.4%+3.1%
2019———————+0.1%+1.0%+1.3%+1.1%+2.2%

MFWTX Risk

Risk measures from monthly returns over Aug 2023 – Jul 2026.

  • 3-year volatility (annualised): 9.12%
  • 3-year Sharpe ratio: 0.66 (vs 4.5% risk-free rate)
  • Best month: +6.21% (Nov 2023)
  • Worst month: −4.86% (Mar 2026)

MFWTX Fund Flows

Monthly money in and out of MFS Global Total Return Fund, from SEC Form N-PORT.

  • 12-month net flow: −$60.2M
  • 12-month gross sales (incl. reinvestments): $240.8M
  • Sales ÷ redemptions: 0.80×
MonthSalesRedemptionsNet flow
Jul 2026$9.8M$25.3M−$15.5M
Jun 2026$16.9M$24.5M−$7.7M
May 2026$8.0M$21.7M−$13.7M
Apr 2026$9.8M$23.7M−$13.9M
Mar 2026$20.2M$30.5M−$10.3M
Feb 2026$13.9M$23.9M−$10.0M
Jan 2026$12.5M$23.7M−$11.2M
Dec 2025$97.6M$44.4M$53.2M
Nov 2025$10.6M$21.8M−$11.2M
Oct 2025$12.9M$22.8M−$9.9M
Sep 2025$20.4M$22.1M−$1.7M
Aug 2025$8.3M$16.7M−$8.5M

MFWTX Assets Under Management

Net assets of MFS Global Total Return Fund by report date, from SEC N-PORT filings.

Report dateNet assets
2026-07-31$1.24B
2026-04-30$1.24B
2026-01-31$1.27B
2025-10-31$1.24B
2025-07-31$1.23B
2025-04-30$1.21B
2025-01-31$1.24B
2024-10-31$1.31B
2024-07-31$1.33B
2024-04-30$1.29B
2024-01-31$1.33B
2023-10-31$1.23B

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.