MOSAX — MassMutual Overseas Fund
Data updated: 2026-05-27
MOSAX — MassMutual Overseas Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Europe Mid Cap Growth Equity · $262.27M AUM · 1.29% expense ratio · 11.6% 1-yr return. From SEC regulatory filings.
MOSAX Fund Overview
MOSAX — MassMutual Overseas Fund is a US mutual fund managed by Massmutual Select Funds, categorised as Europe Mid Cap Growth 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 Select Funds
- Category: Europe Mid Cap Growth Equity
- Assets under management: $262.27M
- 1-year return: 11.6%
- Ticker: MOSAX
- SEC CIK: 0000916053
- SEC series ID: S000003667
- Share class ID: C000010222
MOSAX Holdings
Top 10 holdings of MassMutual Overseas Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| State Street Global Advisors | 2.25% |
| BNP Paribas SA | 2.23% |
| Taiwan Semiconductor Manufacturing Co Ltd | 2.19% |
| Roche Holding AG | 2.08% |
| Air Liquide SA | 1.89% |
| Novartis AG | 1.88% |
| Cie Financiere Richemont SA | 1.85% |
| Intesa Sanpaolo SpA | 1.83% |
| Compass Group PLC | 1.76% |
| Sap SE | 1.75% |
MOSAX Portfolio Allocation
Asset-class allocation of MassMutual Overseas Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 97.0% |
| Cash & Equivalents | 3.7% |
MOSAX Performance
Total returns for MOSAX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -4.8% |
| 1 year | 11.6% |
| 3 years (annualised) | 8.2% |
| 5 years (annualised) | 5.3% |
MOSAX Risk Information
Risk metrics for MOSAX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 12.6%
MOSAX Costs and Fees
MOSAX costs about $129 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.29%
- Gross expense ratio: 1.42%
- Portfolio turnover: 25%
- Brokerage commissions: 3.78 bps of average net assets (SEC N-CEN)
MOSAX Cashflows
Over the 12 months to 2026-03, MassMutual Overseas Fund had net outflows of $102.95M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$2.56M |
| 2026-02 | −$593.91K |
| 2026-01 | −$37.30M |
| 2025-12 | $31.32M |
| 2025-11 | −$2.72M |
| 2025-10 | −$2.44M |
MOSAX Debt Constituents
No individual debt constituents are reported in MassMutual Overseas Fund's latest SEC N-PORT filing.
MOSAX Prospectus and SEC Filings
Official MassMutual Overseas Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Europe Mid Cap Growth 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.