C000050278 Performance — Research International Core Portfolio
Data updated: 2026-08-20
C000050278 returned +10.33% year to date and +16.39% over one year to Jun 2026. Annualised returns are +12.93% over 3 years and +6.37% over 5 years. Against its International Mid-Cap Growth category average the fund came out behind over three years but ahead over one: $100 invested three years ago grew to $144, against $147 for the category, and to $116 over one year, against $115. Volatility over the past three years was 12.29% a year. In the 12 months to Jun 2026 the fund lost a net $38.0M, and assets reached $1.06B.
C000050278 Growth of $100
What $100 invested in Research International Core Portfolio grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Mid-Cap Growth category average over the same months.
| Period | C000050278 | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $116 | $115 |
| 3 years (Jul 2023 – Jun 2026) | $144 | $147 |
| 5 years (Jul 2021 – Jun 2026) | $136 | $129 |
| Since data start (Jul 2019 – Jun 2026) | $182 | $183 |
C000050278 Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +10.33% |
| 1 year | +16.39% |
| 3 years (annualised) | +12.93% |
| 5 years (annualised) | +6.37% |
C000050278 Annual Returns
Calendar-year total returns of Research International Core Portfolio, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +10.33% |
| 2025 | +22.98% |
| 2024 | +3.24% |
| 2023 | +12.95% |
| 2022 | −17.15% |
| 2021 | +12.07% |
| 2020 | +13.46% |
| 2019 (Jul–Dec) | +9.30% |
C000050278 Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +5.8% | +4.7% | −8.7% | +5.3% | +2.0% | +1.5% | — | — | — | — | — | — |
| 2025 | +3.9% | +2.0% | −0.9% | +3.4% | +5.2% | +2.1% | −2.7% | +2.3% | +2.0% | +0.7% | +1.2% | +2.0% |
| 2024 | −0.8% | +2.3% | +3.4% | −3.1% | +4.9% | −1.5% | +3.1% | +3.6% | +0.6% | −4.9% | −0.4% | −3.4% |
| 2023 | +7.6% | −3.6% | +2.9% | +3.2% | −4.2% | +3.9% | +1.9% | −3.0% | −4.7% | −2.9% | +7.4% | +4.6% |
| 2022 | −5.3% | −3.5% | −0.9% | −6.2% | +1.8% | −8.2% | +5.4% | −5.6% | −9.6% | +4.5% | +12.9% | −1.6% |
| 2021 | −1.7% | +1.5% | +2.4% | +3.1% | +4.3% | −1.7% | +1.1% | +3.0% | −3.9% | +3.8% | −3.8% | +4.0% |
| 2020 | −1.9% | −6.6% | −12.3% | +6.4% | +5.6% | +3.8% | +3.5% | +5.3% | −1.3% | −4.1% | +11.7% | +5.0% |
| 2019 | — | — | — | — | — | — | −1.6% | −1.2% | +2.5% | +4.0% | +1.8% | +3.6% |
C000050278 Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 12.29%
- 3-year Sharpe ratio: 0.69 (vs 4.5% risk-free rate)
- Best month: +7.45% (Nov 2023)
- Worst month: −8.70% (Mar 2026)
C000050278 Fund Flows
Monthly money in and out of Research International Core Portfolio, from SEC Form N-PORT.
- 12-month net flow: −$38.0M
- 12-month gross sales (incl. reinvestments): $110.4M
- Sales ÷ redemptions: 0.74×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $7.3M | $9.6M | −$2.3M |
| May 2026 | $10.2M | $10.5M | −$309K |
| Apr 2026 | $6.4M | $11.6M | −$5.1M |
| Mar 2026 | $5.7M | $12.0M | −$6.3M |
| Feb 2026 | $4.4M | $18.1M | −$13.7M |
| Jan 2026 | $5.0M | $13.4M | −$8.4M |
| Dec 2025 | $8.2M | $12.2M | −$4.1M |
| Nov 2025 | $6.3M | $8.6M | −$2.3M |
| Oct 2025 | $5.9M | $10.5M | −$4.6M |
| Sep 2025 | $39.5M | $10.5M | $29.0M |
| Aug 2025 | $5.1M | $9.4M | −$4.3M |
| Jul 2025 | $6.3M | $21.9M | −$15.5M |
C000050278 Assets Under Management
Net assets of Research International Core Portfolio by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $1.06B |
| 2026-03-31 | $980.29M |
| 2025-12-31 | $996.40M |
| 2025-09-30 | $969.14M |
| 2025-06-30 | $976.59M |
| 2025-03-31 | $899.14M |
| 2024-12-31 | $857.86M |
| 2024-09-30 | $924.74M |
| 2024-06-30 | $862.76M |
| 2024-03-31 | $863.90M |
| 2023-12-31 | $828.57M |
| 2023-09-30 | $757.08M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.