OBERWEIS ASSET MANAGEMENT INC/'s ownership history for AMSC

OBERWEIS ASSET MANAGEMENT INC/ currently holds 849.9K shares with a market value of $28.8M. It started holding AMSC on 2024-09-30. At its peak, it held 849.9K shares on 2026-03-31. 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 184.2K. In the recent year, OBERWEIS ASSET MANAGEMENT INC/ has increased its shares by 181.7K.