BMSLX vs. JHMM

Last updated Jun 4, 2026

BMSLX (MFS Blended Research Mid Cap Equity Fund) and JHMM (John Hancock Multifactor Mid Cap ETF) are both funds - BMSLX is a Mid Cap Blend Equities fund managed by MFS, while JHMM is a Mid Cap Growth Equities fund tracking the John Hancock Dimensional Mid Cap Index. Over the past 5 years, BMSLX returned 10.72%/yr vs 8.39%/yr for JHMM. With a 0.97 correlation, they move nearly in lockstep. BMSLX charges 0.59%/yr vs 0.42%/yr for JHMM.

Performance

BMSLX vs. JHMM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MFS Blended Research Mid Cap Equity Fund (BMSLX) and John Hancock Multifactor Mid Cap ETF (JHMM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BMSLX achieves a 13.91% return, which is significantly higher than JHMM's 12.60% return.

BMSLX

• 1D: 0.78%
• 1M: 5.44%
• YTD: 13.91%
• 6M: 13.69%
• 1Y: 21.65%
• 3Y*: 18.96%
• 5Y*: 10.72%
• 10Y*: —

JHMM

• 1D: -0.24%
• 1M: 3.21%
• YTD: 12.60%
• 6M: 13.14%
• 1Y: 24.83%
• 3Y*: 17.01%
• 5Y*: 8.39%
• 10Y*: 11.88%

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

BMSLX vs. JHMM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
BMSLX MFS Blended Research Mid Cap Equity Fund	13.91%	8.08%	19.25%	19.81%	-13.70%	26.54%	10.44%	30.21%	-11.11%	18.04%
JHMM John Hancock Multifactor Mid Cap ETF	12.60%	10.73%	14.61%	14.53%	-15.30%	24.54%	16.22%	30.01%	-9.57%	19.96%

Correlation

The correlation between BMSLX and JHMM is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.96
Correlation (3Y) Calculated over the trailing 3-year period	0.97
Correlation (5Y) Calculated over the trailing 5-year period	0.98
Correlation (All Time) Calculated using the full available price history since Aug 24, 2016	0.97

The correlation between BMSLX and JHMM has been stable across timeframes, ranging from 0.96 to 0.98 - a consistent structural relationship.

Return for Risk

BMSLX vs. JHMM — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

BMSLX

BMSLX Risk / Return Rank: 36
BMSLX Sharpe Ratio Rank: 32
BMSLX Sortino Ratio Rank: 33
BMSLX Omega Ratio Rank: 31
BMSLX Calmar Ratio Rank: 44
BMSLX Martin Ratio Rank: 40

JHMM

JHMM Risk / Return Rank: 55
JHMM Sharpe Ratio Rank: 51
JHMM Sortino Ratio Rank: 52
JHMM Omega Ratio Rank: 49
JHMM Calmar Ratio Rank: 58
JHMM Martin Ratio Rank: 62

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.

BMSLX vs. JHMM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MFS Blended Research Mid Cap Equity Fund (BMSLX) and John Hancock Multifactor Mid Cap ETF (JHMM). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	BMSLX	JHMM	Difference
Sharpe ratio: Return per unit of total volatility	1.60	1.77	-0.17
Sortino ratio: Return per unit of downside risk	2.37	2.55	-0.18
Omega ratio: Gain probability vs. loss probability	1.29	1.31	-0.02
Calmar ratio: Return relative to maximum drawdown	2.50	2.89	-0.38
Martin ratio: Return relative to average drawdown	8.56	11.17	-2.61
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BMSLX vs. JHMM - Sharpe Ratio Comparison

The current BMSLX Sharpe Ratio is 1.60, which is comparable to the JHMM Sharpe Ratio of 1.77. The chart below compares the historical Sharpe Ratios of BMSLX and JHMM, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	BMSLX	JHMM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.60	1.77	-0.17
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.58	0.46	+0.12
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.61	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.60	0.63	-0.02

Drawdowns

BMSLX vs. JHMM - Drawdown Comparison

The maximum BMSLX drawdown since its inception was -41.06%, roughly equal to the maximum JHMM drawdown of -40.71%. Use the drawdown chart below to compare losses from any high point for BMSLX and JHMM.

Drawdown Indicators

	BMSLX	JHMM	Difference
Max Drawdown Largest peak-to-trough decline	-41.06%	-40.71%	-0.35%
Max Drawdown (1Y) Largest decline over 1 year	-9.17%	-8.64%	-0.53%
Max Drawdown (3Y) Largest decline over 3 years	-22.28%	-21.88%	-0.40%
Max Drawdown (5Y) Largest decline over 5 years	-22.28%	-24.10%	+1.82%
Max Drawdown (10Y) Largest decline over 10 years	—	-40.71%	—
Current Drawdown Current decline from peak	0.00%	-0.24%	+0.24%
Average Drawdown Average peak-to-trough decline	-5.05%	-5.43%	+0.38%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.68%	2.23%	+0.45%

Volatility

BMSLX vs. JHMM - Volatility Comparison

MFS Blended Research Mid Cap Equity Fund (BMSLX) and John Hancock Multifactor Mid Cap ETF (JHMM) have volatilities of 3.75% and 3.81%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BMSLX	JHMM	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.75%	3.81%	-0.06%
Volatility (6M) Calculated over the trailing 6-month period	10.74%	10.47%	+0.27%
Volatility (1Y) Calculated over the trailing 1-year period	14.31%	14.12%	+0.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.43%	18.32%	+0.11%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.73%	19.60%	+0.13%

BMSLX vs. JHMM - Expense Ratio Comparison

BMSLX has a 0.59% expense ratio, which is higher than JHMM's 0.42% expense ratio.

Dividends

BMSLX vs. JHMM - Dividend Comparison

BMSLX's dividend yield for the trailing twelve months is around 2.71%, more than JHMM's 0.87% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
BMSLX MFS Blended Research Mid Cap Equity Fund	2.71%	3.08%	10.98%	2.32%	5.15%	23.06%	0.94%	4.90%	8.27%	2.63%	0.47%	0.00%
JHMM John Hancock Multifactor Mid Cap ETF	0.87%	0.98%	1.01%	1.17%	1.16%	0.72%	1.04%	1.02%	1.36%	0.90%	1.15%	0.33%

Frequently Asked Questions

Can I hold both BMSLX and JHMM in my portfolio?

With a correlation of 0.96, BMSLX and JHMM move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, BMSLX or JHMM?

JHMM has higher volatility (3.81%) compared to BMSLX (3.75%). In terms of maximum drawdown, BMSLX dropped -41.06% vs JHMM's -40.71%.

Which has better risk-adjusted returns?

JHMM currently has the higher Sharpe Ratio (1.77 vs 1.60), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.