OBERWEIS ASSET MANAGEMENT INC/'s ownership history for AMSC

OBERWEIS ASSET MANAGEMENT INC/ currently holds 835.9K shares with a market value of $24.1M. It started holding AMSC on 2024-09-30. At its peak, it held 835.9K shares on 2025-12-31. Its highest holding value was $39.5M on 2025-09-30. At its lowest, it held 664.4K shares on 2024-09-30, with a value of $12.1M on 2025-03-31. In the recent 180 days, OBERWEIS ASSET MANAGEMENT INC/ has increased its shares by 167.7K. In the recent year, OBERWEIS ASSET MANAGEMENT INC/ has increased its shares by 171.5K.