MHIGX Performance — MFS High Income Fund, Class R1

Data updated: 2026-09-28

MHIGX returned +0.53% year to date and +3.49% over one year to Jul 2026. Annualised returns are +6.40% over 3 years and +2.57% over 5 years. Against its Short-Term Corporate Bond category average the fund came out ahead over three years but behind over one: $100 invested three years ago grew to $120, against $120 for the category, and to $103 over one year, against $104. Volatility over the past three years was 4.28% a year. In the 12 months to Jul 2026 the fund took in a net $13.3M, and assets reached $1.93B.

MHIGX Growth of $100

What $100 invested in MFS High Income Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Short-Term Corporate Bond category average over the same months.

PeriodMHIGXCategory average
1 year (Aug 2025 – Jul 2026)$103$104
3 years (Aug 2023 – Jul 2026)$120$120
5 years (Aug 2021 – Jul 2026)$114$116
Since data start (Aug 2019 – Jul 2026)$124$127

MHIGX Trailing Returns

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

PeriodTotal return
YTD+0.53%
1 year+3.49%
3 years (annualised)+6.40%
5 years (annualised)+2.57%

MHIGX Annual Returns

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

YearTotal return
2026 (Jan–Jul)+0.53%
2025+7.54%
2024+5.81%
2023+11.32%
2022−11.20%
2021+2.46%
2020+3.93%
2019 (Aug–Dec)+3.37%

MHIGX Monthly Returns

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

YearJanFebMarAprMayJunJulAugSepOctNovDec
2026+0.5%+0.1%−1.5%+1.4%+0.1%+0.1%−0.2%—————
2025+1.1%+0.4%−0.9%+0.1%+1.4%+1.7%+0.4%+1.1%+0.8%+0.1%+0.5%+0.5%
2024−0.2%+0.1%+0.8%−0.9%+1.1%+0.8%+1.8%+1.4%+1.1%−0.8%+1.1%−0.5%
2023+3.5%−1.6%+1.8%+0.8%−1.2%+1.1%+1.4%+0.1%−1.6%−1.3%+4.6%+3.5%
2022−2.9%−0.9%−1.2%−3.7%+0.6%−6.8%+5.9%−2.6%−4.4%+3.2%+2.1%−0.4%
2021−0.3%0.0%+0.3%+0.9%0.0%+0.9%+0.3%+0.3%0.0%−0.6%−1.2%+1.9%
2020−0.3%−1.1%−9.1%+3.0%+3.5%+0.3%+4.3%+0.3%−1.2%+0.6%+2.7%+1.5%
2019———————+0.9%0.0%+0.6%+0.6%+1.2%

MHIGX Risk

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

  • 3-year volatility (annualised): 4.28%
  • 3-year Sharpe ratio: 0.44 (vs 4.5% risk-free rate)
  • Best month: +4.64% (Nov 2023)
  • Worst month: −1.58% (Sep 2023)

MHIGX Fund Flows

Monthly money in and out of MFS High Income Fund, from SEC Form N-PORT.

  • 12-month net flow: $13.3M
  • 12-month gross sales (incl. reinvestments): $321.0M
  • Sales ÷ redemptions: 1.04×
MonthSalesRedemptionsNet flow
Jul 2026$25.2M$27.3M−$2.1M
Jun 2026$22.1M$20.5M$1.5M
May 2026$22.8M$20.9M$1.9M
Apr 2026$25.8M$29.3M−$3.4M
Mar 2026$24.5M$37.7M−$13.2M
Feb 2026$30.8M$24.7M$6.1M
Jan 2026$29.0M$26.2M$2.8M
Dec 2025$29.1M$26.2M$2.9M
Nov 2025$27.9M$29.0M−$1.2M
Oct 2025$30.0M$22.3M$7.7M
Sep 2025$26.3M$22.9M$3.4M
Aug 2025$27.6M$20.6M$7.0M

MHIGX Assets Under Management

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

Report dateNet assets
2026-07-31$1.93B
2026-04-30$1.96B
2026-01-31$1.99B
2025-10-31$1.99B
2025-07-31$1.95B
2025-04-30$1.85B
2025-01-31$1.91B
2024-10-31$1.89B
2024-07-31$1.84B
2024-04-30$1.78B
2024-01-31$1.77B
2023-10-31$1.62B

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.