OBERWEIS ASSET MANAGEMENT INC/'s ownership history for OSIS

OBERWEIS ASSET MANAGEMENT INC/ currently holds 106.6K shares with a market value of $28.3M. It started holding OSIS on 2024-09-30. At its peak, it held 109.0K shares on 2025-06-30. Its highest holding value was $28.3M on 2026-03-31. At its lowest, it held 69.2K shares on 2024-09-30, with a value of $10.5M on 2024-09-30. In the recent 180 days, OBERWEIS ASSET MANAGEMENT INC/ has increased its shares by 5.2K. In the recent year, OBERWEIS ASSET MANAGEMENT INC/ has increased its shares by 6.2K.