LTTBX Performance — MFS Lifetime 2025 Fund, Class B
Data updated: 2026-07-13
LTTBX returned +2.34% year to date and +9.24% over one year to Apr 2026. Annualised returns are +7.09% over 3 years and +2.90% over 5 years. The fund trailed its Target-Date category average: $100 invested three years ago grew to $123, against $149 for the category, and to $109 over one year, against $122. Volatility over the past three years was 6.08% a year. In the 12 months to Apr 2026 the fund lost a net $72.9M, and assets reached $286.52M.
LTTBX Growth of $100
What $100 invested in MFS Lifetime 2025 Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Target-Date category average over the same months.
| Period | LTTBX | Category average |
|---|---|---|
| 1 year (May 2025 – Apr 2026) | $109 | $122 |
| 3 years (May 2023 – Apr 2026) | $123 | $149 |
| 5 years (May 2021 – Apr 2026) | $115 | $141 |
| Since data start (Aug 2019 – Apr 2026) | $136 | $181 |
LTTBX Trailing Returns
Total returns to Apr 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +2.34% |
| 1 year | +9.24% |
| 3 years (annualised) | +7.09% |
| 5 years (annualised) | +2.90% |
LTTBX Annual Returns
Calendar-year total returns of MFS Lifetime 2025 Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Apr) | +2.34% |
| 2025 | +8.14% |
| 2024 | +5.60% |
| 2023 | +9.33% |
| 2022 | −13.17% |
| 2021 | +7.44% |
| 2020 | +9.54% |
| 2019 (Aug–Dec) | +4.10% |
LTTBX 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 | +1.2% | +1.3% | −2.6% | +2.5% | — | — | — | — | — | — | — | — |
| 2025 | +1.5% | +0.7% | −1.0% | +0.1% | +1.2% | +1.9% | 0.0% | +1.6% | +0.9% | +0.4% | +0.6% | 0.0% |
| 2024 | +0.1% | +0.6% | +1.7% | −2.4% | +2.2% | +0.6% | +2.0% | +1.4% | +1.3% | −1.7% | +1.8% | −2.0% |
| 2023 | +4.2% | −2.3% | +1.5% | +0.6% | −1.3% | +1.9% | +1.3% | −1.1% | −2.8% | −1.6% | +5.0% | +3.8% |
| 2022 | −3.0% | −1.4% | −0.4% | −4.2% | +0.2% | −4.7% | +4.3% | −2.8% | −5.8% | +2.2% | +4.1% | −1.9% |
| 2021 | −0.5% | +0.4% | +0.8% | +2.5% | +0.7% | +0.8% | +1.2% | +0.9% | −2.0% | +1.8% | −1.1% | +1.7% |
| 2020 | +0.4% | −2.8% | −8.5% | +5.9% | +3.2% | +1.4% | +3.4% | +1.9% | −1.2% | −0.9% | +5.1% | +2.3% |
| 2019 | — | — | — | — | — | — | — | +0.1% | +0.4% | +1.1% | +1.0% | +1.4% |
LTTBX Risk
Risk measures from monthly returns over May 2023 – Apr 2026.
- 3-year volatility (annualised): 6.08%
- 3-year Sharpe ratio: 0.43 (vs 4.5% risk-free rate)
- Best month: +5.03% (Nov 2023)
- Worst month: −2.84% (Sep 2023)
LTTBX Fund Flows
Monthly money in and out of MFS Lifetime 2025 Fund, from SEC Form N-PORT.
- 12-month net flow: −$72.9M
- 12-month gross sales (incl. reinvestments): $73.4M
- Sales ÷ redemptions: 0.50×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Apr 2026 | $3.9M | $11.9M | −$8.1M |
| Mar 2026 | $6.5M | $16.1M | −$9.6M |
| Feb 2026 | $3.5M | $13.0M | −$9.5M |
| Jan 2026 | $4.2M | $9.6M | −$5.4M |
| Dec 2025 | $28.5M | $12.8M | $15.6M |
| Nov 2025 | $2.9M | $22.9M | −$20.0M |
| Oct 2025 | $4.2M | $9.3M | −$5.1M |
| Sep 2025 | $5.6M | $8.2M | −$2.6M |
| Aug 2025 | $3.1M | $5.5M | −$2.4M |
| Jul 2025 | $3.9M | $12.9M | −$8.9M |
| Jun 2025 | $3.9M | $13.2M | −$9.3M |
| May 2025 | $3.4M | $10.9M | −$7.5M |
LTTBX Assets Under Management
Net assets of MFS Lifetime 2025 Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-04-30 | $286.52M |
| 2026-01-31 | $309.88M |
| 2025-10-31 | $336.68M |
| 2025-07-31 | $336.55M |
| 2025-04-30 | $350.54M |
| 2025-01-31 | $360.64M |
| 2024-10-31 | $376.32M |
| 2024-07-31 | $388.70M |
| 2024-04-30 | $386.19M |
| 2024-01-31 | $389.67M |
| 2023-10-31 | $350.41M |
| 2023-07-31 | $355.54M |
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.