MAGMX Performance — MFS Growth Allocation Fund, Class R1
Data updated: 2026-09-25
MAGMX returned +5.95% year to date and +14.34% over one year to May 2026. Annualised returns are +12.93% over 3 years and +5.57% over 5 years. The fund trailed its US Multi-Cap Blend category average: $100 invested three years ago grew to $144, against $147 for the category, and to $114 over one year, against $119. Volatility over the past three years was 10.15% a year. In the 12 months to May 2026 the fund lost a net $171.7M, and assets reached $6.76B.
MAGMX Growth of $100
What $100 invested in MFS Growth 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 | MAGMX | Category average |
|---|---|---|
| 1 year (Jun 2025 – May 2026) | $114 | $119 |
| 3 years (Jun 2023 – May 2026) | $144 | $147 |
| 5 years (Jun 2021 – May 2026) | $131 | $136 |
| Since data start (Sep 2019 – May 2026) | $173 | $173 |
MAGMX Trailing Returns
Total returns to May 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +5.95% |
| 1 year | +14.34% |
| 3 years (annualised) | +12.93% |
| 5 years (annualised) | +5.57% |
MAGMX Annual Returns
Calendar-year total returns of MFS Growth Allocation Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–May) | +5.95% |
| 2025 | +12.45% |
| 2024 | +9.60% |
| 2023 | +13.72% |
| 2022 | −16.68% |
| 2021 | +14.83% |
| 2020 | +13.60% |
| 2019 (Sep–Dec) | +7.00% |
MAGMX 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 | +2.4% | +1.6% | −5.3% | +6.0% | +1.4% | — | — | — | — | — | — | — |
| 2025 | +3.3% | −0.7% | −2.7% | +0.2% | +4.1% | +3.3% | +0.2% | +2.0% | +1.2% | +0.1% | +0.7% | +0.3% |
| 2024 | −0.1% | +3.2% | +2.8% | −3.6% | +3.3% | +0.3% | +2.6% | +1.9% | +1.6% | −2.2% | +3.4% | −3.6% |
| 2023 | +6.0% | −3.3% | +1.5% | +1.1% | −2.0% | +4.7% | +2.3% | −1.9% | −4.2% | −2.3% | +7.3% | +4.6% |
| 2022 | −5.1% | −2.2% | +0.8% | −6.2% | +0.6% | −7.5% | +6.8% | −3.9% | −8.4% | +4.9% | +6.9% | −3.2% |
| 2021 | −1.2% | +1.8% | +2.0% | +4.4% | +1.2% | +0.9% | +1.7% | +1.9% | −3.4% | +4.0% | −2.6% | +3.5% |
| 2020 | −0.2% | −6.0% | −12.4% | +8.8% | +5.1% | +1.8% | +4.9% | +3.7% | −1.8% | −1.6% | +8.7% | +3.9% |
| 2019 | — | — | — | — | — | — | — | — | +0.8% | +1.5% | +2.1% | +2.5% |
MAGMX Risk
Risk measures from monthly returns over Jun 2023 – May 2026.
- 3-year volatility (annualised): 10.15%
- 3-year Sharpe ratio: 0.83 (vs 4.5% risk-free rate)
- Best month: +7.28% (Nov 2023)
- Worst month: −5.31% (Mar 2026)
MAGMX Fund Flows
Monthly money in and out of MFS Growth Allocation Fund, from SEC Form N-PORT.
- 12-month net flow: −$171.7M
- 12-month gross sales (incl. reinvestments): $1.2B
- Sales ÷ redemptions: 0.87×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| May 2026 | $48.4M | $115.7M | −$67.3M |
| Apr 2026 | $55.4M | $120.3M | −$64.9M |
| Mar 2026 | $60.4M | $109.6M | −$49.2M |
| Feb 2026 | $56.1M | $115.5M | −$59.4M |
| Jan 2026 | $73.5M | $142.3M | −$68.8M |
| Dec 2025 | $555.7M | $138.0M | $417.6M |
| Nov 2025 | $55.9M | $108.9M | −$53.1M |
| Oct 2025 | $52.6M | $110.5M | −$58.0M |
| Sep 2025 | $55.2M | $93.3M | −$38.1M |
| Aug 2025 | $52.4M | $107.4M | −$55.0M |
| Jul 2025 | $66.5M | $97.3M | −$30.9M |
| Jun 2025 | $53.7M | $98.5M | −$44.8M |
MAGMX Assets Under Management
Net assets of MFS Growth Allocation Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-05-31 | $6.76B |
| 2026-02-28 | $6.82B |
| 2025-11-30 | $6.73B |
| 2025-08-31 | $6.73B |
| 2025-05-31 | $6.49B |
| 2025-02-28 | $6.54B |
| 2024-11-30 | $6.79B |
| 2024-08-31 | $6.76B |
| 2024-05-31 | $6.55B |
| 2024-02-29 | $6.50B |
| 2023-11-30 | $6.12B |
| 2023-08-31 | $6.18B |
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.