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Performance
Performance Chart
The chart shows the growth of an initial investment of $10,000 in MFS Blended Research Mid Cap Equity Fund, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.
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Returns By Period
MFS Blended Research Mid Cap Equity Fund (BMSLX) has returned -2.30% so far this year and 9.16% over the past 12 months.
MFS Blended Research Mid Cap Equity Fund
- 1D
- -0.55%
- 1M
- -8.13%
- YTD
- -2.30%
- 6M
- -3.55%
- 1Y
- 9.16%
- 3Y*
- 13.00%
- 5Y*
- 8.62%
- 10Y*
- —
Benchmark (S&P 500 Index)
- 1D
- 2.91%
- 1M
- -5.09%
- YTD
- -4.63%
- 6M
- -2.39%
- 1Y
- 16.33%
- 3Y*
- 16.69%
- 5Y*
- 10.18%
- 10Y*
- 12.16%
Monthly Returns
Based on dividend-adjusted daily data since Aug 23, 2016, BMSLX's average daily return is +0.05%, while the average monthly return is +0.94%. At this rate, your investment would double in approximately 6.2 years.
Historically, 62% of months were positive and 38% were negative. The best month was Apr 2020 with a return of +13.2%, while the worst month was Mar 2020 at -19.1%. The longest winning streak lasted 7 consecutive months, and the longest losing streak was 4 months.
On a daily basis, BMSLX closed higher 52% of trading days. The best single day was Mar 24, 2020 with a return of +11.0%, while the worst single day was Mar 16, 2020 at -13.7%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 3.17% | 3.08% | -8.13% | -2.30% | |||||||||
| 2025 | 4.96% | -3.58% | -4.41% | -2.71% | 6.62% | 3.46% | 1.02% | 3.71% | 0.65% | -2.13% | 1.12% | -0.26% | 8.08% |
| 2024 | 0.54% | 5.02% | 6.16% | -4.71% | 3.87% | -1.24% | 5.10% | 1.40% | 2.42% | -0.58% | 8.69% | -7.72% | 19.25% |
| 2023 | 8.77% | -1.56% | -2.34% | -1.03% | -2.68% | 9.33% | 3.41% | -2.59% | -4.60% | -5.25% | 10.45% | 8.18% | 19.81% |
| 2022 | -6.18% | -0.86% | 2.22% | -6.11% | 1.48% | -9.34% | 8.78% | -3.29% | -8.01% | 11.20% | 3.08% | -5.27% | -13.70% |
| 2021 | -0.60% | 4.54% | 4.85% | 5.66% | 0.46% | 1.30% | 1.73% | 2.65% | -4.12% | 5.51% | -2.86% | 5.25% | 26.54% |
Benchmark Metrics
MFS Blended Research Mid Cap Equity Fund has an annualized alpha of -1.06%, beta of 1.01, and R² of 0.86 versus S&P 500 Index. Calculated based on daily prices since August 24, 2016.
- This fund participated in 103.60% of S&P 500 Index downside but only 97.77% of its upside — more exposed to losses than it benefited from rallies.
- With beta of 1.01 and R² of 0.86, this fund moves broadly in line with S&P 500 Index — much of its variation is explained by market exposure rather than independent behavior.
- Alpha
- -1.06%
- Beta
- 1.01
- R²
- 0.86
- Upside Capture
- 97.77%
- Downside Capture
- 103.60%
Expense Ratio
BMSLX has an expense ratio of 0.59%, placing it in the medium range.
Return for Risk
Risk / Return Rank
BMSLX ranks 18 for risk / return — in the bottom 18% of mutual funds on our site. This means you're taking on significantly more risk than the returns justify. Consider whether the potential upside is worth the volatility, or explore alternatives with better risk / return profiles.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for MFS Blended Research Mid Cap Equity Fund (BMSLX) and compare them to a chosen benchmark (S&P 500 Index).
| BMSLX | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.48 | 0.90 | -0.41 |
Sortino ratioReturn per unit of downside risk | 0.82 | 1.39 | -0.57 |
Omega ratioGain probability vs. loss probability | 1.11 | 1.21 | -0.10 |
Calmar ratioReturn relative to maximum drawdown | 0.54 | 1.40 | -0.86 |
Martin ratioReturn relative to average drawdown | 2.18 | 6.61 | -4.42 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Explore BMSLX risk-adjusted metrics in detail
Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.
Dividends
Dividend History
MFS Blended Research Mid Cap Equity Fund provided a 3.15% dividend yield over the last twelve months, with an annual payout of $0.46 per share.
| Period | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend | $0.46 | $0.46 | $1.55 | $0.30 | $0.58 | $3.13 | $0.13 | $0.60 | $0.81 | $0.31 | $0.05 |
Dividend yield | 3.15% | 3.08% | 10.98% | 2.32% | 5.15% | 23.06% | 0.94% | 4.90% | 8.27% | 2.63% | 0.47% |
Monthly Dividends
The table displays the monthly dividend distributions for MFS Blended Research Mid Cap Equity Fund. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.00 | $0.00 | $0.00 | $0.00 | |||||||||
| 2025 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.46 | $0.46 |
| 2024 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $1.55 | $1.55 |
| 2023 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.30 | $0.30 |
| 2022 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.58 | $0.58 |
| 2021 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $3.13 | $3.13 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the MFS Blended Research Mid Cap Equity Fund. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the MFS Blended Research Mid Cap Equity Fund was 41.06%, occurring on Mar 23, 2020. Recovery took 166 trading sessions.
The current MFS Blended Research Mid Cap Equity Fund drawdown is 9.17%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -41.06% | Feb 21, 2020 | 22 | Mar 23, 2020 | 166 | Nov 16, 2020 | 188 |
| -22.28% | Nov 27, 2024 | 89 | Apr 8, 2025 | 94 | Aug 22, 2025 | 183 |
| -21.95% | Nov 17, 2021 | 215 | Sep 26, 2022 | 307 | Dec 14, 2023 | 522 |
| -21.01% | Sep 24, 2018 | 64 | Dec 24, 2018 | 82 | Apr 24, 2019 | 146 |
| -10.21% | Jan 29, 2018 | 9 | Feb 8, 2018 | 156 | Sep 21, 2018 | 165 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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