OBCHX Performance — Oberweis China Opportunities Fund, Investor Class
Data updated: 2026-08-28
OBCHX returned +37.36% year to date and +61.61% over one year to Jun 2026. Annualised returns are +28.16% over 3 years and +1.50% over 5 years. The fund beat its China Equity category average: $100 invested three years ago grew to $211, against $145 for the category, and to $162 over one year, against $123. Volatility over the past three years was 21.41% a year. In the 12 months to Jun 2026 the fund lost a net $2.2M, and assets reached $67.87M.
OBCHX Growth of $100
What $100 invested in Oberweis China Opportunities Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the China Equity category average over the same months.
| Period | OBCHX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $162 | $123 |
| 3 years (Jul 2023 – Jun 2026) | $211 | $145 |
| 5 years (Jul 2021 – Jun 2026) | $108 | $92 |
| Since data start (Jul 2019 – Jun 2026) | $200 | $138 |
OBCHX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +37.36% |
| 1 year | +61.61% |
| 3 years (annualised) | +28.16% |
| 5 years (annualised) | +1.50% |
OBCHX Annual Returns
Calendar-year total returns of Oberweis China Opportunities Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +37.36% |
| 2025 | +40.88% |
| 2024 | +7.29% |
| 2023 | −7.70% |
| 2022 | −37.23% |
| 2021 | −5.41% |
| 2020 | +56.51% |
| 2019 (Jul–Dec) | +12.21% |
OBCHX 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 | +11.0% | +3.7% | −6.7% | +15.2% | +6.6% | +4.1% | — | — | — | — | — | — |
| 2025 | +1.9% | +10.8% | +1.0% | −3.7% | +2.6% | +6.2% | +5.0% | +8.8% | +7.6% | −2.4% | −3.9% | +2.1% |
| 2024 | −4.3% | +10.2% | −4.0% | +1.2% | +4.0% | −0.7% | −5.9% | +1.7% | +14.9% | −5.1% | −3.7% | +1.0% |
| 2023 | +8.7% | −10.3% | +0.4% | −4.0% | −8.3% | +5.7% | +11.5% | −4.4% | −4.3% | −3.8% | +6.0% | −2.5% |
| 2022 | −11.6% | −3.1% | −13.7% | −8.7% | +3.9% | +11.6% | −7.4% | −7.6% | −10.8% | −10.9% | +15.3% | +2.2% |
| 2021 | +7.1% | −1.4% | −8.5% | +2.7% | +0.2% | +6.2% | −3.2% | +2.0% | −8.0% | +2.7% | 0.0% | −3.9% |
| 2020 | −4.2% | +5.9% | −11.4% | +9.4% | +4.8% | +15.6% | +11.9% | +3.6% | −2.8% | +2.8% | +4.2% | +8.7% |
| 2019 | — | — | — | — | — | — | +0.2% | 0.0% | +0.1% | +5.7% | −0.8% | +6.8% |
OBCHX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 21.41%
- 3-year Sharpe ratio: 1.11 (vs 4.5% risk-free rate)
- Best month: +15.20% (Apr 2026)
- Worst month: −6.68% (Mar 2026)
OBCHX Fund Flows
Monthly money in and out of Oberweis China Opportunities Fund, from SEC Form N-PORT.
- 12-month net flow: −$2.2M
- 12-month gross sales (incl. reinvestments): $8.5M
- Sales ÷ redemptions: 0.79×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $525K | $817K | −$292K |
| May 2026 | $523K | $739K | −$216K |
| Apr 2026 | $661K | $767K | −$107K |
| Mar 2026 | $172K | $1.4M | −$1.2M |
| Feb 2026 | $584K | $1.4M | −$768K |
| Jan 2026 | $762K | $528K | $233K |
| Dec 2025 | $667K | $1.3M | −$654K |
| Nov 2025 | $194K | $842K | −$648K |
| Oct 2025 | $1.0M | $1.2M | −$222K |
| Sep 2025 | $1.4M | $578K | $849K |
| Aug 2025 | $668K | $671K | −$3K |
| Jul 2025 | $1.3M | $496K | $820K |
OBCHX Assets Under Management
Net assets of Oberweis China Opportunities Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $67.87M |
| 2026-03-31 | $53.64M |
| 2025-12-31 | $51.52M |
| 2025-09-30 | $55.93M |
| 2025-06-30 | $44.00M |
| 2025-03-31 | $43.48M |
| 2024-12-31 | $37.11M |
| 2024-09-30 | $43.15M |
| 2024-06-30 | $42.74M |
| 2024-03-31 | $43.13M |
| 2023-12-31 | $45.32M |
| 2023-09-30 | $48.10M |
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.