EMHBX Performance — MFS High Income Fund, Class 529B
Data updated: 2026-09-28
EMHBX returned −1.24% over one year to Feb 2022. Over one year the fund trailed its Short-Term Corporate Bond category average: $100 grew to $99, against $100 for the category. Volatility over the past 12 months was 4.23% a year. In the 12 months to Jul 2026 the fund took in a net $13.3M, and assets reached $1.93B.
EMHBX 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.
| Period | EMHBX | Category average |
|---|---|---|
| 1 year (Mar 2021 – Feb 2022) | $99 | $100 |
| Since data start (Aug 2019 – Feb 2022) | $106 | $107 |
EMHBX Trailing Returns
Total returns to Feb 2022, from SEC N-PORT.
| Period | Total return |
|---|---|
| 1 year | −1.24% |
| 3 years (annualised) | +2.17% |
EMHBX Annual Returns
Calendar-year total returns of MFS High Income Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2022 (Jan–Feb) | −3.81% |
| 2021 | +2.36% |
| 2020 | +3.89% |
| 2019 (Aug–Dec) | +3.34% |
EMHBX 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | −2.9% | −0.9% | — | — | — | — | — | — | — | — | — | — |
| 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% | +3.0% | +1.2% |
| 2019 | — | — | — | — | — | — | — | +0.9% | 0.0% | +0.6% | +0.6% | +1.2% |
EMHBX Risk
Risk measures from monthly returns over Mar 2021 – Feb 2022.
- 1-year volatility (annualised): 4.23%
- Best month: +1.90% (Dec 2021)
- Worst month: −2.93% (Jan 2022)
EMHBX 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×
| Month | Sales | Redemptions | Net 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 |
EMHBX Assets Under Management
Net assets of MFS High Income Fund by report date, from SEC N-PORT filings.
| Report date | Net 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.