LTMUX Performance — MFS Lifetime 2045 Fund, Class R4
Data updated: 2026-09-24
LTMUX returned +10.71% year to date and +17.48% over one year to Jul 2026. Annualised returns are +14.38% over 3 years and +8.30% over 5 years. The fund beat its Target-Date category average: $100 invested three years ago grew to $150, against $146 for the category, and to $117 over one year, against $116. Volatility over the past three years was 10.76% a year. In the 12 months to Jul 2026 the fund lost a net $41.3M, and assets reached $551.07M.
LTMUX Growth of $100
What $100 invested in MFS Lifetime 2045 Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Target-Date category average over the same months.
| Period | LTMUX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $117 | $116 |
| 3 years (Aug 2023 – Jul 2026) | $150 | $146 |
| 5 years (Aug 2021 – Jul 2026) | $149 | $142 |
| Since data start (Aug 2019 – Jul 2026) | $209 | $186 |
LTMUX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +10.71% |
| 1 year | +17.48% |
| 3 years (annualised) | +14.38% |
| 5 years (annualised) | +8.30% |
LTMUX Annual Returns
Calendar-year total returns of MFS Lifetime 2045 Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +10.71% |
| 2025 | +15.71% |
| 2024 | +12.85% |
| 2023 | +16.62% |
| 2022 | −15.47% |
| 2021 | +20.28% |
| 2020 | +13.23% |
| 2019 (Aug–Dec) | +7.49% |
LTMUX 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 | +3.2% | +2.1% | −5.4% | +7.0% | +2.4% | +1.1% | +0.4% | — | — | — | — | — |
| 2025 | +3.5% | −0.8% | −2.7% | +0.1% | +4.7% | +3.7% | +0.4% | +2.6% | +1.8% | +0.2% | +0.9% | +0.5% |
| 2024 | +0.1% | +3.5% | +3.5% | −3.5% | +3.8% | +0.4% | +2.9% | +1.8% | +1.9% | −2.0% | +3.8% | −3.7% |
| 2023 | +6.9% | −3.2% | +1.2% | +1.0% | −2.1% | +5.5% | +3.0% | −2.2% | −4.1% | −2.9% | +7.9% | +5.3% |
| 2022 | −4.8% | −2.0% | +1.6% | −6.2% | +0.8% | −8.1% | +7.2% | −3.8% | −8.8% | +6.1% | +7.0% | −3.8% |
| 2021 | −0.4% | +2.8% | +3.0% | +4.8% | +1.5% | +1.1% | +1.6% | +2.3% | −3.6% | +4.5% | −2.7% | +4.3% |
| 2020 | −1.0% | −7.1% | −14.2% | +9.8% | +5.1% | +2.2% | +5.1% | +4.3% | −2.2% | −1.7% | +10.3% | +4.7% |
| 2019 | — | — | — | — | — | — | — | −1.7% | +1.7% | +2.0% | +2.4% | +2.9% |
LTMUX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 10.76%
- 3-year Sharpe ratio: 0.92 (vs 4.5% risk-free rate)
- Best month: +7.89% (Nov 2023)
- Worst month: −5.43% (Mar 2026)
LTMUX Fund Flows
Monthly money in and out of MFS Lifetime 2045 Fund, from SEC Form N-PORT.
- 12-month net flow: −$41.3M
- 12-month gross sales (incl. reinvestments): $126.5M
- Sales ÷ redemptions: 0.75×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $6.5M | $26.4M | −$19.9M |
| Jun 2026 | $6.7M | $9.1M | −$2.4M |
| May 2026 | $7.0M | $17.8M | −$10.8M |
| Apr 2026 | $7.6M | $6.5M | $1.1M |
| Mar 2026 | $14.8M | $36.8M | −$21.9M |
| Feb 2026 | $6.6M | $11.7M | −$5.2M |
| Jan 2026 | $5.9M | $12.6M | −$6.6M |
| Dec 2025 | $47.0M | $9.7M | $37.4M |
| Nov 2025 | $5.7M | $13.7M | −$8.0M |
| Oct 2025 | $5.2M | $7.6M | −$2.4M |
| Sep 2025 | $7.4M | $8.1M | −$717K |
| Aug 2025 | $5.9M | $7.8M | −$1.9M |
LTMUX Assets Under Management
Net assets of MFS Lifetime 2045 Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $551.07M |
| 2026-04-30 | $562.83M |
| 2026-01-31 | $571.47M |
| 2025-10-31 | $563.86M |
| 2025-07-31 | $543.69M |
| 2025-04-30 | $515.98M |
| 2025-01-31 | $542.28M |
| 2024-10-31 | $524.86M |
| 2024-07-31 | $536.73M |
| 2024-04-30 | $508.26M |
| 2024-01-31 | $476.99M |
| 2023-10-31 | $406.87M |
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.