OBERWEIS ASSET MANAGEMENT INC/
Holdings in OSIS
Position Over Time
| Report Date | Value (USD) | Shares | Type | Discretion | Filed |
|---|---|---|---|---|---|
| 2025-12-31 | $25,863,084 | 101,400 | Shares | Sole | 2026-02-17 |
| 2025-09-30 | $25,272,936 | 101,400 | Shares | Sole | 2025-11-17 |
| 2025-06-30 | $24,509,740 | 109,000 | Shares | Sole | 2025-08-14 |
| 2025-03-31 | $19,511,736 | 100,400 | Shares | Sole | 2025-05-15 |
| 2024-12-31 | $16,809,972 | 100,400 | Shares | Sole | 2025-02-14 |
| 2024-09-30 | $10,506,636 | 69,200 | Shares | Sole | 2024-11-14 |
| 2024-06-30 | $9,516,384 | 69,200 | Shares | Sole | 2024-08-14 |
| 2024-03-31 | $7,897,946 | 55,300 | Shares | Sole | 2024-05-15 |
| 2023-12-31 | $4,555,465 | 35,300 | Shares | Sole | 2024-02-14 |
| 2023-09-30 | $2,998,216 | 25,400 | Shares | Sole | 2023-11-14 |