Research International Core Portfolio
Data updated: 2026-05-27
C000050278 — Research International Core Portfolio data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Developed ex-US Financials Equity · $980.29M AUM · 0.58% expense ratio · 18.5% 1-yr return. From SEC regulatory filings.
C000050278 Fund Overview
Research International Core Portfolio is a US mutual fund managed by Northwestern Mutual Series Fund INC, categorised as Developed ex-US Financials Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Northwestern Mutual Series Fund INC
- Category: Developed ex-US Financials Equity
- Assets under management: $980.29M
- 1-year return: 18.5%
- SEC CIK: 0000742212
- SEC series ID: S000018230
- Share class ID: C000050278
C000050278 Holdings
Top 10 holdings of Research International Core Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Mizuho Financial Group Inc | 2.97% |
| Schneider Electric SE | 2.58% |
| Hitachi Ltd | 2.35% |
| Novartis AG | 2.25% |
| TotalEnergies SE | 2.12% |
| ASML Holding NV | 1.95% |
| Linde PLC | 1.82% |
| Taiwan Semiconductor Manufacturing Co Ltd | 1.77% |
| AstraZeneca PLC | 1.59% |
| Eni SpA | 1.51% |
C000050278 Portfolio Allocation
Asset-class allocation of Research International Core Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 97.7% |
C000050278 Performance
Total returns for C000050278 (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.2% |
| 1 year | 18.5% |
| 3 years (annualised) | 10.7% |
| 5 years (annualised) | 5.7% |
C000050278 Risk Information
Risk metrics for C000050278, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 13.6%
C000050278 Costs and Fees
C000050278 costs about $58 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.58%
- Gross expense ratio: 0.79%
- Portfolio turnover: 42%
- Brokerage commissions: 2.93 bps of average net assets (SEC N-CEN)
C000050278 Cashflows
Over the 12 months to 2026-03, Research International Core Portfolio had net outflows of $50.81M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$6.25M |
| 2026-02 | −$13.73M |
| 2026-01 | −$8.42M |
| 2025-12 | −$4.07M |
| 2025-11 | −$2.30M |
| 2025-10 | −$4.60M |
C000050278 Debt Constituents
No individual debt constituents are reported in Research International Core Portfolio's latest SEC N-PORT filing.
C000050278 Prospectus and SEC Filings
Official Research International Core Portfolio filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Developed ex-US Financials 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.