| Month | Name | Total no. shares held | Percent Holding |
|---|---|---|---|
| Jun 30, 2025 | Oberweis Micro-Cap Growth | 244,300 | 0.81% |
| Mar 31, 2025 | Oberweis Micro-Cap Growth | 177,700 | 0.59% |
| Dec 31, 2024 | Oberweis Micro-Cap Growth | 177,700 | 0.60% |
| Sep 30, 2024 | Oberweis Micro-Cap Growth | 204,700 | 0.70% |
| Jun 30, 2024 | Oberweis Micro-Cap Growth | 180,000 | 0.62% |
| Dec 31, 2022 | Oberweis Micro-Cap Growth | 0 | 0.00% |