OBGIX Performance — Oberweis Global Opportunities Fund, Institutional Class
Data updated: 2026-08-28
OBGIX returned +30.33% year to date and +42.47% over one year to Jun 2026. Annualised returns are +19.46% over 3 years and +6.42% over 5 years. The fund beat its Global Mid-Cap Growth category average: $100 invested three years ago grew to $170, against $147 for the category, and to $142 over one year, against $119. Volatility over the past three years was 18.82% a year. In the 12 months to Jun 2026 the fund lost a net $4.5M, and assets reached $74.47M.
OBGIX Growth of $100
What $100 invested in Oberweis Global Opportunities Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Global Mid-Cap Growth category average over the same months.
| Period | OBGIX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $142 | $119 |
| 3 years (Jul 2023 – Jun 2026) | $170 | $147 |
| 5 years (Jul 2021 – Jun 2026) | $136 | $126 |
| Since data start (Jul 2019 – Jun 2026) | $269 | $193 |
OBGIX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +30.33% |
| 1 year | +42.47% |
| 3 years (annualised) | +19.46% |
| 5 years (annualised) | +6.42% |
OBGIX Annual Returns
Calendar-year total returns of Oberweis Global Opportunities Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +30.33% |
| 2025 | +19.68% |
| 2024 | +11.01% |
| 2023 | +6.67% |
| 2022 | −26.61% |
| 2021 | +21.23% |
| 2020 | +55.94% |
| 2019 (Jul–Dec) | +4.87% |
OBGIX 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 | +1.0% | +8.1% | −7.2% | +17.4% | +5.8% | +3.5% | — | — | — | — | — | — |
| 2025 | +2.5% | −6.8% | −5.3% | +5.6% | +5.8% | +8.3% | +2.5% | +3.4% | +0.7% | +0.2% | +4.0% | −1.7% |
| 2024 | +1.4% | +1.3% | +1.4% | −4.1% | +5.1% | +1.0% | +2.9% | +5.8% | +0.1% | −4.1% | +5.9% | −5.4% |
| 2023 | +10.2% | −2.1% | 0.0% | −7.1% | +1.6% | +6.4% | +2.0% | −4.5% | −6.4% | −7.1% | +8.0% | +7.7% |
| 2022 | −14.8% | −3.2% | −1.7% | −11.0% | −1.0% | −8.7% | +11.7% | −1.4% | −9.8% | +4.6% | +14.9% | −5.7% |
| 2021 | +4.0% | +7.4% | −1.1% | +5.7% | −0.9% | +4.0% | −0.9% | +3.6% | −4.6% | +2.3% | 0.0% | +0.4% |
| 2020 | 0.0% | −5.4% | −13.9% | +16.0% | +14.9% | +5.1% | +5.9% | +2.5% | −3.5% | +1.5% | +13.7% | +13.1% |
| 2019 | — | — | — | — | — | — | −0.3% | −3.7% | −2.1% | +3.6% | +4.7% | +2.9% |
OBGIX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 18.82%
- 3-year Sharpe ratio: 0.79 (vs 4.5% risk-free rate)
- Best month: +17.36% (Apr 2026)
- Worst month: −7.15% (Mar 2026)
OBGIX Fund Flows
Monthly money in and out of Oberweis Global Opportunities Fund, from SEC Form N-PORT.
- 12-month net flow: −$4.5M
- 12-month gross sales (incl. reinvestments): $8.4M
- Sales ÷ redemptions: 0.65×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $481K | $329K | $152K |
| May 2026 | $178K | $482K | −$304K |
| Apr 2026 | $416K | $133K | $283K |
| Mar 2026 | $539K | $405K | $133K |
| Feb 2026 | $77K | $305K | −$228K |
| Jan 2026 | $124K | $534K | −$411K |
| Dec 2025 | $5.9M | $977K | $4.9M |
| Nov 2025 | $64K | $176K | −$112K |
| Oct 2025 | $8K | $416K | −$409K |
| Sep 2025 | $36K | $7.9M | −$7.8M |
| Aug 2025 | $478K | $648K | −$170K |
| Jul 2025 | $141K | $613K | −$472K |
OBGIX Assets Under Management
Net assets of Oberweis Global Opportunities Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $74.47M |
| 2026-03-31 | $57.84M |
| 2025-12-31 | $57.54M |
| 2025-09-30 | $58.31M |
| 2025-06-30 | $62.69M |
| 2025-03-31 | $52.62M |
| 2024-12-31 | $57.35M |
| 2024-09-30 | $55.84M |
| 2024-06-30 | $54.20M |
| 2024-03-31 | $54.94M |
| 2023-12-31 | $53.19M |
| 2023-09-30 | $49.36M |
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.