RAIRX Performance — Rainier International Discovery Series, Class Z
Data updated: 2026-09-22
RAIRX returned +6.56% year to date and +10.39% over one year to Jul 2026. Annualised returns are +11.12% over 3 years and +0.36% over 5 years. The fund trailed its International Mid-Cap Value category average: $100 invested three years ago grew to $137, against $157 for the category, and to $110 over one year, against $123. Volatility over the past three years was 15.28% a year. In the 12 months to Jul 2026 the fund lost a net $106.8M, and assets reached $364.44M.
RAIRX Growth of $100
What $100 invested in Rainier International Discovery Series grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Mid-Cap Value category average over the same months.
| Period | RAIRX | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $110 | $123 |
| 3 years (Aug 2023 – Jul 2026) | $137 | $157 |
| 5 years (Aug 2021 – Jul 2026) | $102 | $154 |
| Since data start (Aug 2019 – Jul 2026) | $177 | $201 |
RAIRX Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +6.56% |
| 1 year | +10.39% |
| 3 years (annualised) | +11.12% |
| 5 years (annualised) | +0.36% |
RAIRX Annual Returns
Calendar-year total returns of Rainier International Discovery Series, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +6.56% |
| 2025 | +27.24% |
| 2024 | +0.80% |
| 2023 | +6.67% |
| 2022 | −30.32% |
| 2021 | +14.48% |
| 2020 | +41.56% |
| 2019 (Aug–Dec) | +7.23% |
RAIRX 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 | +5.3% | +5.6% | −9.4% | +9.8% | +1.1% | −3.2% | −1.6% | — | — | — | — | — |
| 2025 | +2.3% | −0.6% | −0.3% | +7.5% | +6.3% | +7.1% | −1.1% | +2.0% | +2.2% | −1.8% | +0.6% | +0.5% |
| 2024 | −1.2% | +4.0% | +2.0% | −4.6% | +4.5% | −1.3% | +2.4% | +1.1% | +0.9% | −5.0% | +1.7% | −3.1% |
| 2023 | +6.3% | −1.7% | +1.2% | −0.7% | −2.8% | +1.8% | +2.2% | −3.6% | −4.3% | −5.7% | +9.2% | +5.7% |
| 2022 | −10.7% | −4.4% | −0.3% | −8.3% | −1.0% | −11.1% | +7.5% | −4.4% | −10.7% | +5.0% | +9.2% | −3.8% |
| 2021 | −1.4% | +2.1% | −0.2% | +7.4% | +1.1% | +0.4% | +4.3% | +1.6% | −5.8% | +5.5% | −3.6% | +3.1% |
| 2020 | −1.4% | −5.6% | −13.9% | +13.5% | +10.5% | +2.9% | +7.2% | +7.4% | +1.3% | −2.4% | +9.6% | +9.8% |
| 2019 | — | — | — | — | — | — | — | −1.3% | −1.2% | +2.7% | +3.9% | +3.1% |
RAIRX Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 15.28%
- 3-year Sharpe ratio: 0.43 (vs 4.5% risk-free rate)
- Best month: +9.75% (Apr 2026)
- Worst month: −9.37% (Mar 2026)
RAIRX Fund Flows
Monthly money in and out of Rainier International Discovery Series, from SEC Form N-PORT.
- 12-month net flow: −$106.8M
- 12-month gross sales (incl. reinvestments): $69.7M
- Sales ÷ redemptions: 0.39×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $4.4M | $4.3M | $63K |
| Jun 2026 | $4.3M | $4.8M | −$539K |
| May 2026 | $7.2M | $14.2M | −$6.9M |
| Apr 2026 | $5.6M | $12.9M | −$7.3M |
| Mar 2026 | $4.6M | $13.8M | −$9.2M |
| Feb 2026 | $4.7M | $17.8M | −$13.1M |
| Jan 2026 | $4.9M | $9.8M | −$4.9M |
| Dec 2025 | $13.8M | $11.6M | $2.1M |
| Nov 2025 | $4.4M | $11.5M | −$7.0M |
| Oct 2025 | $7.9M | $30.1M | −$22.2M |
| Sep 2025 | $3.8M | $6.4M | −$2.6M |
| Aug 2025 | $4.2M | $39.3M | −$35.1M |
RAIRX Assets Under Management
Net assets of Rainier International Discovery Series by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $364.44M |
| 2026-04-30 | $385.69M |
| 2026-01-30 | $396.85M |
| 2025-10-31 | $393.23M |
| 2025-07-31 | $442.12M |
| 2025-04-30 | $397.61M |
| 2025-01-31 | $389.76M |
| 2024-10-31 | $420.67M |
| 2024-07-31 | $496.09M |
| 2024-04-30 | $493.86M |
| 2024-01-31 | $545.63M |
| 2023-10-31 | $517.69M |
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.