MSCDX — MassMutual Small Cap Opportunities Fund
Data updated: 2026-08-27
MSCDX — MassMutual Small Cap Opportunities Fund. United States Small Cap Blend / Core Equity · $614.77M AUM. Holdings, fees, performance and SEC filings.
MSCDX Fund Overview
MSCDX — MassMutual Small Cap Opportunities Fund is a US mutual fund managed by Massmutual Premier Funds, categorised as United States Small Cap Blend / Core Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Massmutual Premier Funds
- Category: United States Small Cap Blend / Core Equity
- Assets under management: $614.77M
- 1-year return: 28.4%
- Ticker: MSCDX
- SEC CIK: 0000927972
- SEC series ID: S000003788
- Share class ID: C000010531
MSCDX Holdings
Top 10 holdings of MassMutual Small Cap Opportunities Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Fixed Income Clearing Corp. | 2.97% |
| Enpro Inc | 1.95% |
| Columbia Banking System Inc | 1.92% |
| Outfront Media Inc | 1.90% |
| Kodiak Gas Services Inc | 1.86% |
| AAR Corp | 1.80% |
| Zurn Elkay Water Solutions Corp | 1.66% |
| AutoNation Inc | 1.65% |
| Cathay General Bancorp | 1.60% |
| BrightSpring Health Services Inc | 1.57% |
MSCDX Portfolio Allocation
Asset-class allocation of MassMutual Small Cap Opportunities Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 97.0% |
| Cash & Equivalents | 3.8% |
MSCDX Performance
Total returns for MSCDX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 19.6% |
| 1 year | 28.4% |
| 3 years (annualised) | 16.5% |
| 5 years (annualised) | 8.7% |
MSCDX Risk Information
Risk metrics for MSCDX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 16.7%
MSCDX Costs and Fees
MSCDX costs about $75 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.75%
- Gross expense ratio: 0.75%
- Portfolio turnover: 40%
- Brokerage commissions: 6.93 bps of average net assets (SEC N-CEN)
MSCDX Cashflows
Over the 12 months to 2026-06, MassMutual Small Cap Opportunities Fund had net inflows of $86.77M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$462.75K |
| 2026-05 | −$2.44M |
| 2026-04 | $1.44M |
| 2026-03 | $913.15K |
| 2026-02 | −$3.47M |
| 2026-01 | $1.59M |
MSCDX Debt Constituents
No individual debt constituents are reported in MassMutual Small Cap Opportunities Fund's latest SEC N-PORT filing.
MSCDX Prospectus and SEC Filings
Official MassMutual Small Cap Opportunities Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-01-30
- Prospectus (485BPOS) — filed 2025-01-31
- Prospectus (485BPOS) — filed 2024-02-01
- Portfolio holdings (N-PORT) — filed 2026-08-27
- Portfolio holdings (N-PORT) — filed 2026-05-27
- Portfolio holdings (N-PORT) — filed 2026-02-26
- Annual census (N-CEN) — filed 2025-12-12
- Annual census (N-CEN) — filed 2024-12-13
Related Funds
Other United States Small Cap Blend / Core Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.