MSFKX Performance — MFS Total Return Fund, Class R6
Data updated: 2026-08-25
MSFKX returned +3.45% year to date and +9.49% over one year to Jun 2026. Annualised returns are +9.61% over 3 years and +5.44% over 5 years. The fund trailed its Moderate Allocation category average: $100 invested three years ago grew to $132, against $136 for the category, and to $109 over one year, against $112. Volatility over the past three years was 8.81% a year. In the 12 months to Jun 2026 the fund lost a net $308.8M, and assets reached $7.37B.
MSFKX Growth of $100
What $100 invested in MFS 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.
| Period | MSFKX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $109 | $112 |
| 3 years (Jul 2023 – Jun 2026) | $132 | $136 |
| 5 years (Jul 2021 – Jun 2026) | $130 | $129 |
| Since data start (Jul 2019 – Jun 2026) | $168 | $154 |
MSFKX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +3.45% |
| 1 year | +9.49% |
| 3 years (annualised) | +9.61% |
| 5 years (annualised) | +5.44% |
MSFKX Annual Returns
Calendar-year total returns of MFS Total Return Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +3.45% |
| 2025 | +11.40% |
| 2024 | +7.87% |
| 2023 | +10.66% |
| 2022 | −9.32% |
| 2021 | +14.29% |
| 2020 | +10.09% |
| 2019 (Jul–Dec) | +6.75% |
MSFKX 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 | +2.8% | +2.4% | −3.6% | +1.6% | 0.0% | +0.4% | — | — | — | — | — | — |
| 2025 | +2.3% | +1.7% | −1.1% | −1.9% | +1.7% | +2.6% | +0.2% | +2.8% | +0.7% | −1.1% | +2.1% | +1.1% |
| 2024 | −0.7% | +1.8% | +3.4% | −3.6% | +3.1% | −0.4% | +3.9% | +1.9% | +0.7% | −0.9% | +3.6% | −4.7% |
| 2023 | +4.2% | −2.9% | −0.1% | +1.3% | −2.0% | +4.0% | +2.3% | −1.8% | −3.4% | −2.2% | +6.2% | +5.0% |
| 2022 | −2.1% | −2.0% | −0.4% | −5.2% | +2.0% | −5.5% | +4.9% | −2.5% | −6.2% | +5.3% | +5.5% | −2.6% |
| 2021 | −0.7% | +2.2% | +3.2% | +3.1% | +1.7% | −0.3% | +1.2% | +1.5% | −2.8% | +3.6% | −2.1% | +3.3% |
| 2020 | −0.3% | −4.7% | −9.6% | +7.9% | +2.8% | +1.0% | +3.2% | +2.4% | −1.1% | −0.9% | +7.8% | +2.4% |
| 2019 | — | — | — | — | — | — | +0.8% | −0.5% | +1.5% | +0.9% | +2.0% | +1.9% |
MSFKX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 8.81%
- 3-year Sharpe ratio: 0.58 (vs 4.5% risk-free rate)
- Best month: +6.25% (Nov 2023)
- Worst month: −4.71% (Dec 2024)
MSFKX Fund Flows
Monthly money in and out of MFS Total Return Fund, from SEC Form N-PORT.
- 12-month net flow: −$308.8M
- 12-month gross sales (incl. reinvestments): $1.5B
- Sales ÷ redemptions: 0.83×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $66.0M | $152.7M | −$86.8M |
| May 2026 | $73.0M | $126.9M | −$53.9M |
| Apr 2026 | $65.9M | $120.6M | −$54.7M |
| Mar 2026 | $89.5M | $165.3M | −$75.8M |
| Feb 2026 | $89.2M | $128.6M | −$39.4M |
| Jan 2026 | $83.9M | $150.5M | −$66.7M |
| Dec 2025 | $535.0M | $206.0M | $329.0M |
| Nov 2025 | $77.1M | $125.2M | −$48.0M |
| Oct 2025 | $89.1M | $174.6M | −$85.6M |
| Sep 2025 | $78.9M | $129.7M | −$50.8M |
| Aug 2025 | $140.9M | $167.0M | −$26.0M |
| Jul 2025 | $71.5M | $121.8M | −$50.3M |
MSFKX Assets Under Management
Net assets of MFS Total Return Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $7.37B |
| 2026-03-31 | $7.47B |
| 2025-12-31 | $7.59B |
| 2025-09-30 | $7.75B |
| 2025-06-30 | $7.66B |
| 2025-03-31 | $7.74B |
| 2024-12-31 | $7.70B |
| 2024-09-30 | $8.08B |
| 2024-06-30 | $7.72B |
| 2024-03-31 | $7.95B |
| 2023-12-31 | $7.83B |
| 2023-09-30 | $7.39B |
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.