DLBMX vs. MBCSX

Last updated Jun 3, 2026

DLBMX (MassMutual Small Cap Opportunities Fund) and MBCSX (MassMutual Blue Chip Growth Fund) are both mutual funds - DLBMX is a Small Cap Blend Equities fund managed by MassMutual, while MBCSX is a Large Cap Growth Equities fund managed by MassMutual. Over the past 10 years, DLBMX returned 14.12%/yr vs 17.30%/yr for MBCSX. Their correlation of 0.80 suggests significant overlap in exposure. DLBMX charges 1.20%/yr vs 0.73%/yr for MBCSX.

Performance

DLBMX vs. MBCSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in MassMutual Small Cap Opportunities Fund (DLBMX) and MassMutual Blue Chip Growth Fund (MBCSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, DLBMX achieves a 11.19% return, which is significantly higher than MBCSX's 4.17% return. Over the past 10 years, DLBMX has underperformed MBCSX with an annualized return of 14.12%, while MBCSX has yielded a comparatively higher 17.30% annualized return.

DLBMX

• 1D: -0.54%
• 1M: 1.11%
• YTD: 11.19%
• 6M: 11.05%
• 1Y: 22.59%
• 3Y*: 15.12%
• 5Y*: 13.25%
• 10Y*: 14.12%

MBCSX

• 1D: 0.46%
• 1M: 4.89%
• YTD: 4.17%
• 6M: 4.48%
• 1Y: 19.29%
• 3Y*: 23.54%
• 5Y*: 12.14%
• 10Y*: 17.30%

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

DLBMX vs. MBCSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
DLBMX MassMutual Small Cap Opportunities Fund	11.19%	8.07%	12.30%	17.43%	-16.19%	64.90%	19.75%	25.54%	-11.14%	13.90%
MBCSX MassMutual Blue Chip Growth Fund	4.17%	16.68%	35.05%	51.00%	-34.11%	17.05%	33.53%	38.41%	0.22%	34.43%

Correlation

The correlation between DLBMX and MBCSX is 0.54, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.54
Correlation (3Y) Calculated over the trailing 3-year period	0.59
Correlation (5Y) Calculated over the trailing 5-year period	0.69
Correlation (10Y) Calculated over the trailing 10-year period	0.69
Correlation (All Time) Calculated using the full available price history since Jun 1, 2001	0.80

Over the past year, the correlation between DLBMX and MBCSX has dropped to 0.54 - well below their long-term average of 0.80, suggesting their price drivers have been diverging.

Return for Risk

DLBMX vs. MBCSX — Risk / Return Rank

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

DLBMX

DLBMX Risk / Return Rank: 23
DLBMX Sharpe Ratio Rank: 21
DLBMX Sortino Ratio Rank: 21
DLBMX Omega Ratio Rank: 20
DLBMX Calmar Ratio Rank: 23
DLBMX Martin Ratio Rank: 29

MBCSX

MBCSX Risk / Return Rank: 16
MBCSX Sharpe Ratio Rank: 19
MBCSX Sortino Ratio Rank: 18
MBCSX Omega Ratio Rank: 18
MBCSX Calmar Ratio Rank: 11
MBCSX Martin Ratio Rank: 12

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.

DLBMX vs. MBCSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for MassMutual Small Cap Opportunities Fund (DLBMX) and MassMutual Blue Chip Growth Fund (MBCSX). 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.

	DLBMX	MBCSX	Difference
Sharpe ratio Return per unit of total volatility	1.32	1.27	+0.05
Sortino ratio Return per unit of downside risk	1.95	1.77	+0.18
Omega ratio Gain probability vs. loss probability	1.24	1.23	+0.01
Calmar ratio Return relative to maximum drawdown	1.81	1.13	+0.68
Martin ratio Return relative to average drawdown	6.94	3.67	+3.28
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

DLBMX vs. MBCSX - Sharpe Ratio Comparison

The current DLBMX Sharpe Ratio is 1.32, which is comparable to the MBCSX Sharpe Ratio of 1.27. The chart below compares the historical Sharpe Ratios of DLBMX and MBCSX, 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

	DLBMX	MBCSX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.32	1.27	+0.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.42	0.41	+0.01
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.50	0.68	-0.18
Sharpe Ratio (All Time) Calculated using the full available price history	0.42	0.44	-0.02

Drawdowns

DLBMX vs. MBCSX - Drawdown Comparison

The maximum DLBMX drawdown since its inception was -65.12%, which is greater than MBCSX's maximum drawdown of -54.66%. Use the drawdown chart below to compare losses from any high point for DLBMX and MBCSX.

Drawdown Indicators

	DLBMX	MBCSX	Difference
Max Drawdown Largest peak-to-trough decline	-65.12%	-54.66%	-10.46%
Max Drawdown (1Y) Largest decline over 1 year	-12.42%	-17.47%	+5.05%
Max Drawdown (3Y) Largest decline over 3 years	-24.84%	-22.92%	-1.92%
Max Drawdown (5Y) Largest decline over 5 years	-29.39%	-48.37%	+18.98%
Max Drawdown (10Y) Largest decline over 10 years	-42.55%	-48.37%	+5.82%
Current Drawdown Current decline from peak	-1.67%	0.00%	-1.67%
Average Drawdown Average peak-to-trough decline	-10.21%	-12.03%	+1.82%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.23%	5.37%	-2.14%

Volatility

DLBMX vs. MBCSX - Volatility Comparison

MassMutual Small Cap Opportunities Fund (DLBMX) has a higher volatility of 4.95% compared to MassMutual Blue Chip Growth Fund (MBCSX) at 3.47%. This indicates that DLBMX's price experiences larger fluctuations and is considered to be riskier than MBCSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	DLBMX	MBCSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.95%	3.47%	+1.48%
Volatility (6M) Calculated over the trailing 6-month period	12.72%	11.80%	+0.92%
Volatility (1Y) Calculated over the trailing 1-year period	17.28%	15.84%	+1.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	31.67%	29.81%	+1.86%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	28.18%	25.59%	+2.59%

DLBMX vs. MBCSX - Expense Ratio Comparison

DLBMX has a 1.20% expense ratio, which is higher than MBCSX's 0.73% expense ratio.

Dividends

DLBMX vs. MBCSX - Dividend Comparison

DLBMX's dividend yield for the trailing twelve months is around 9.09%, less than MBCSX's 41.56% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DLBMX MassMutual Small Cap Opportunities Fund	9.09%	10.11%	9.33%	4.73%	0.88%	35.42%	7.82%	0.46%	11.94%	13.55%	3.14%	11.15%
MBCSX MassMutual Blue Chip Growth Fund	41.56%	43.29%	13.12%	23.06%	18.44%	21.93%	4.59%	11.06%	6.70%	4.00%	4.77%	18.85%

Frequently Asked Questions

Can I hold both DLBMX and MBCSX in my portfolio?

DLBMX and MBCSX have a correlation of 0.54, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, DLBMX or MBCSX?

DLBMX has higher volatility (4.95%) compared to MBCSX (3.47%). In terms of maximum drawdown, DLBMX dropped -65.12% vs MBCSX's -54.66%.

Which has better risk-adjusted returns?

DLBMX currently has the higher Sharpe Ratio (1.32 vs 1.27), 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.