OBERWEIS FUNDS (CIK 803020) is an SEC-registered fund company with 9 reporting fund series and $3.9B in net assets as of 2026-03-31.
| Holding | Value |
|---|---|
| Applied Optoelectronics Inc | $90.9M |
| Ultra Clean Holdings Inc | $38.1M |
| Camtek Ltd/Israel | $32.4M |
| Silicon Motion Technology Corp | $30.5M |
| Fastly Inc | $29.9M |
| Tutor Perini Corp | $29.2M |
| Rush Street Interactive Inc | $27.3M |
| American Superconductor Corp | $26.6M |
| Primoris Services Corp | $22.8M |
| Blue Bird Corp | $21.2M |
| IMAX Corp | $21.0M |
| nLight Inc | $19.8M |
| National Vision Holdings Inc | $19.8M |
| LivaNova PLC | $19.6M |
| Powell Industries Inc | $17.7M |