| Month | Name | Total no. shares held | Percent Holding |
|---|---|---|---|
| Jun 30, 2025 | Oberweis Micro-Cap Growth | 621,700 | 1.62% |
| Mar 31, 2025 | Oberweis Micro-Cap Growth | 544,800 | 1.42% |
| Dec 31, 2024 | Oberweis Micro-Cap Growth | 544,800 | 1.43% |
| Sep 30, 2024 | Oberweis Micro-Cap Growth | 370,700 | 0.97% |
| Jun 30, 2024 | Oberweis Micro-Cap Growth | 370,700 | 0.98% |
| Sep 30, 2023 | Oberweis Micro-Cap Growth | 0 | 0.00% |
| Jun 30, 2023 | Oberweis Micro-Cap Growth | 416,845 | 1.04% |
| Mar 31, 2023 | Oberweis Micro-Cap Growth | 361,300 | 0.90% |
| Dec 31, 2022 | Oberweis Micro-Cap Growth | 216,900 | 0.54% |