MOSYX — MassMutual Overseas Fund
Data updated: 2026-08-27
MOSYX — MassMutual Overseas Fund. Europe Mid Cap Growth Equity · $258.77M AUM · 0.99% expense ratio. Holdings, fees, performance and SEC filings.
MOSYX Fund Overview
MOSYX — 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: $258.77M
- 1-year return: 8.2%
- Ticker: MOSYX
- SEC CIK: 0000916053
- SEC series ID: S000003667
- Share class ID: C000010226
MOSYX 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 |
|---|---|
| Taiwan Semiconductor Manufacturing Co Ltd | 2.91% |
| BNP Paribas SA | 2.65% |
| Compass Group PLC | 2.16% |
| Cie Financiere Richemont SA | 2.11% |
| Intesa Sanpaolo SpA | 1.96% |
| Novartis AG | 1.91% |
| Schneider Electric SE | 1.89% |
| Roche Holding AG | 1.87% |
| Sap SE | 1.77% |
| Air Liquide SA | 1.67% |
MOSYX 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 | 97.7% |
| Cash & Equivalents | 1.1% |
MOSYX Performance
Total returns for MOSYX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 2.3% |
| 1 year | 8.2% |
| 3 years (annualised) | 9.9% |
| 5 years (annualised) | 6.0% |
MOSYX Risk Information
Risk metrics for MOSYX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 12.5%
MOSYX Costs and Fees
MOSYX costs about $99 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.99%
- Gross expense ratio: 1.12%
- Portfolio turnover: 25%
- Brokerage commissions: 3.78 bps of average net assets (SEC N-CEN)
MOSYX Cashflows
Over the 12 months to 2026-06, MassMutual Overseas Fund had net outflows of $111.57M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$13.57M |
| 2026-05 | −$7.83M |
| 2026-04 | −$1.65M |
| 2026-03 | −$2.56M |
| 2026-02 | −$593.91K |
| 2026-01 | −$37.30M |
MOSYX Debt Constituents
No individual debt constituents are reported in MassMutual Overseas Fund's latest SEC N-PORT filing.
MOSYX Prospectus and SEC Filings
Official MassMutual Overseas 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 2024-02-02
- 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 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.