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MFS Blended Research Mid Cap Equity Fund (BMSLX)
Performance
Return for Risk
Dividends
Drawdowns
Volatility

Fund Info

ISIN
US5527436191
CUSIP
552743619
Issuer
MFS
Inception Date
Aug 19, 2016
Min. Investment
$0
Distribution Policy
Distributing
Asset Class
Equity
Asset Class Size
Mid-Cap
Asset Class Style
Blend

Share Price Chart


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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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S&P 500 Index

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%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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%.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
20263.17%3.08%-8.13%-2.30%
20254.96%-3.58%-4.41%-2.71%6.62%3.46%1.02%3.71%0.65%-2.13%1.12%-0.26%8.08%
20240.54%5.02%6.16%-4.71%3.87%-1.24%5.10%1.40%2.42%-0.58%8.69%-7.72%19.25%
20238.77%-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
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.


BMSLX Risk / Return Rank: 1818
Overall Rank
BMSLX Sharpe Ratio Rank: 1717
Sharpe Ratio Rank
BMSLX Sortino Ratio Rank: 1717
Sortino Ratio Rank
BMSLX Omega Ratio Rank: 1717
Omega Ratio Rank
BMSLX Calmar Ratio Rank: 1818
Calmar Ratio Rank
BMSLX Martin Ratio Rank: 2020
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

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).


BMSLXBenchmarkDifference

Sharpe ratio

Return per unit of total volatility

0.48

0.90

-0.41

Sortino ratio

Return per unit of downside risk

0.82

1.39

-0.57

Omega ratio

Gain probability vs. loss probability

1.11

1.21

-0.10

Calmar ratio

Return relative to maximum drawdown

0.54

1.40

-0.86

Martin ratio

Return relative to average drawdown

2.18

6.61

-4.42

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.


0.00%5.00%10.00%15.00%20.00%$0.00$0.50$1.00$1.50$2.00$2.50$3.00$3.502016201720182019202020212022202320242025
Dividends
Dividend Yield
PeriodTTM2025202420232022202120202019201820172016
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.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
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, 202022Mar 23, 2020166Nov 16, 2020188
-22.28%Nov 27, 202489Apr 8, 202594Aug 22, 2025183
-21.95%Nov 17, 2021215Sep 26, 2022307Dec 14, 2023522
-21.01%Sep 24, 201864Dec 24, 201882Apr 24, 2019146
-10.21%Jan 29, 20189Feb 8, 2018156Sep 21, 2018165

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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