CASTLEARK MANAGEMENT LLC's ownership history for AMSC
CASTLEARK MANAGEMENT LLC currently holds 135.6K shares with a market value of $8.1M. It started holding AMSC on 2025-06-30. At its peak, it held 135.6K shares on 2025-09-30. Its highest holding value was $8.1M on 2025-09-30. At its lowest, it held 109.2K shares on 2025-06-30, with a value of $4.0M on 2025-06-30.
CASTLEARK MANAGEMENT LLC's ownership history for AMSC