MAMFX Performance — MFS Moderate Allocation Fund, Class R1
Data updated: 2026-09-25
MAMFX returned +4.40% year to date and +11.52% over one year to May 2026. Annualised returns are +10.53% over 3 years and +4.16% over 5 years. The fund trailed its US Multi-Cap Blend category average: $100 invested three years ago grew to $135, against $147 for the category, and to $112 over one year, against $119. Volatility over the past three years was 8.57% a year. In the 12 months to May 2026 the fund lost a net $244.2M, and assets reached $6.45B.
MAMFX Growth of $100
What $100 invested in MFS Moderate Allocation Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Multi-Cap Blend category average over the same months.
| Period | MAMFX | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $112 | $119 |
| 3 years (Jun 2023 – May 2026) | $135 | $147 |
| 5 years (Jun 2021 – May 2026) | $123 | $136 |
| Since data start (Sep 2019 – May 2026) | $154 | $173 |
MAMFX Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +4.40% |
| 1 year | +11.52% |
| 3 years (annualised) | +10.53% |
| 5 years (annualised) | +4.16% |
MAMFX Annual Returns
Calendar-year total returns of MFS Moderate Allocation Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +4.40% |
| 2025 | +10.83% |
| 2024 | +7.66% |
| 2023 | +11.64% |
| 2022 | −15.89% |
| 2021 | +10.95% |
| 2020 | +12.64% |
| 2019 (Sep–Dec) | +5.06% |
MAMFX 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 | +1.9% | +1.5% | −4.4% | +4.6% | +1.0% | — | — | — | — | — | — | — |
| 2025 | +2.6% | −0.1% | −2.1% | +0.4% | +3.0% | +2.8% | +0.2% | +1.8% | +1.0% | +0.2% | +0.6% | +0.1% |
| 2024 | 0.0% | +2.1% | +2.4% | −3.3% | +2.8% | +0.4% | +2.4% | +1.8% | +1.4% | −2.2% | +2.9% | −3.0% |
| 2023 | +5.3% | −3.0% | +1.7% | +0.9% | −1.7% | +3.4% | +1.8% | −1.7% | −3.8% | −2.1% | +6.5% | +4.4% |
| 2022 | −4.4% | −1.9% | +0.1% | −5.5% | +0.4% | −6.2% | +5.8% | −3.6% | −7.4% | +3.5% | +5.9% | −2.7% |
| 2021 | −1.0% | +1.0% | +1.3% | +3.6% | +0.9% | +0.8% | +1.6% | +1.5% | −2.8% | +3.0% | −1.9% | +2.7% |
| 2020 | +0.3% | −4.2% | −9.8% | +7.2% | +4.2% | +1.6% | +4.2% | +2.8% | −1.5% | −1.3% | +6.9% | +3.0% |
| 2019 | — | — | — | — | — | — | — | — | +0.4% | +1.1% | +1.5% | +1.9% |
MAMFX Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 8.57%
- 3-year Sharpe ratio: 0.70 (vs 4.5% risk-free rate)
- Best month: +6.54% (Nov 2023)
- Worst month: −4.38% (Mar 2026)
MAMFX Fund Flows
Monthly money in and out of MFS Moderate Allocation Fund, from SEC Form N-PORT.
- 12-month net flow: −$244.2M
- 12-month gross sales (incl. reinvestments): $1.2B
- Sales ÷ redemptions: 0.83×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $46.2M | $120.4M | −$74.2M |
| Apr 2026 | $56.5M | $113.6M | −$57.1M |
| Mar 2026 | $71.6M | $117.8M | −$46.2M |
| Feb 2026 | $52.1M | $105.0M | −$52.9M |
| Jan 2026 | $61.0M | $121.4M | −$60.4M |
| Dec 2025 | $468.2M | $151.9M | $316.3M |
| Nov 2025 | $53.8M | $122.1M | −$68.3M |
| Oct 2025 | $63.6M | $107.6M | −$44.0M |
| Sep 2025 | $87.2M | $108.2M | −$21.1M |
| Aug 2025 | $57.5M | $111.8M | −$54.3M |
| Jul 2025 | $67.5M | $104.1M | −$36.6M |
| Jun 2025 | $77.2M | $122.8M | −$45.5M |
MAMFX Assets Under Management
Net assets of MFS Moderate Allocation Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $6.45B |
| 2026-02-28 | $6.57B |
| 2025-11-30 | $6.54B |
| 2025-08-31 | $6.57B |
| 2025-05-31 | $6.41B |
| 2025-02-28 | $6.52B |
| 2024-11-30 | $6.81B |
| 2024-08-31 | $6.80B |
| 2024-05-31 | $6.64B |
| 2024-02-29 | $6.63B |
| 2023-11-30 | $6.34B |
| 2023-08-31 | $6.44B |
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.