MassMutual Small Cap Opps I (MSOOX)

Fund Assets	540.43M
Expense Ratio	0.663%
Min. Investment	$0.00
Turnover	40.00%
Dividend (ttm)	0.12
Dividend Yield	0.64%
Dividend Growth	-6.84%
Payout Frequency	Annual
Ex-Dividend Date	Dec 12, 2025

Previous Close	18.89
YTD Return	9.00%
1-Year Return	12.14%
5-Year Return	34.90%
52-Week Low	16.83
52-Week High	21.50
Beta (5Y)	1.33
Holdings	102
Inception Date	Apr 1, 2014

About MSOOX

The MassMutual Small Cap Opportunities Fund Class I is a mutual fund that primarily invests in common stocks of small-capitalization U.S. companies. Designed for investors seeking capital appreciation, the fund targets businesses that its subadviser believes demonstrate favorable business trends or strong growth potential. Its strategy adheres to a policy of investing at least 80% of net assets in small-cap companies within the broad market capitalization range of the Russell 2500 Index, aiming for diversified exposure across the small-cap segment. Notable for its active management approach, the fund emphasizes high-conviction stock selection and seeks to provide a consistent investment approach across different market cycles. With a portfolio comprising nearly 100 holdings, the MassMutual Small Cap Opportunities Fund Class I serves as a core option for investors who want access to the dynamic and often underappreciated small-cap sector of the U.S. equity market. This sector is recognized for its potential for higher growth compared to larger companies, albeit typically accompanied by higher volatility. The fund may appeal to those looking to diversify their equity exposure and capture growth opportunities within the U.S. small-cap space.

• Fund Family: MassMutual
• Category: Small Blend
• Performance Rating: Above Average
• Risk Rating: Average
• Stock Exchange: Nasdaq
• Ticker Symbol: MSOOX
• Share Class: Class I
• Index: Russell 2000 TR

Performance

MSOOX had a total return of 12.14% in the past year, including dividends. Since the fund's inception, the average annual return has been 8.94%.

Equivalent Funds

These are funds that follow the same index from the other major fund companies.

Symbol	Provider	Name	Expense Ratio
SWSSX	Schwab	Schwab Small Cap Index Fund	0.04%
FSSNX	Fidelity	Fidelity Small Cap Index Fund	0.03%
FSCRX	Fidelity	Fidelity Small Cap Discovery Fund	0.64%
FSSLX	Fidelity	Fidelity Series Small Cap Core	0.01%
FLXSX	Fidelity	Fidelity Flex Small Cap Index Fund	n/a

Other Share Classes

These are alternative share classes of the same fund, from the same provider.

Symbol	Share Class	Expense Ratio
MSCDX	Class R5	0.75%
MSVYX	Service Class	0.85%
MSCLX	Administrative Class	0.95%
MOORX	Class R4	1.10%

Top 10 Holdings

18.89% of assets

Name	Symbol	Weight
Fixed Income Clearing Corp. - FIXED INC CLEARING CORP.REPO	n/a	2.97%
Enpro Inc.	NPO	1.95%
Columbia Banking System, Inc.	COLB	1.92%
OUTFRONT Media Inc.	OUT	1.90%
Kodiak Gas Services, Inc.	KGS	1.86%
AAR Corp.	AIR	1.80%
Zurn Elkay Water Solutions Corporation	ZWS	1.66%
AutoNation, Inc.	AN	1.65%
Cathay General Bancorp	CATY	1.60%
BrightSpring Health Services, Inc.	BTSG	1.57%

Dividend History

Ex-Dividend	Amount	Pay Date
Dec 12, 2025	$1.75384	Dec 15, 2025
Dec 12, 2024	$1.65064	Dec 13, 2024
Dec 12, 2023	$0.81337	Dec 13, 2023
Dec 13, 2022	$0.21531	Dec 14, 2022
Dec 13, 2019	$0.12387	Dec 16, 2019
Dec 14, 2018	$1.43446	Dec 17, 2018

Data Sources: Tiingo, Twelve Data, and more

Historical data is provided by Tiingo. Delayed stock pricing data is provided by Twelve Data. Several fund data points are also provided by Finnhub.

Last checked:

Oct 16, 2026

Data Sources Report a data error