Round Rock Advisors, LLC's ownership history for AMSC

Round Rock Advisors, LLC currently holds 10.7K shares with a market value of $308.2K. It started holding AMSC on 2025-12-31. At its peak, it held 10.7K shares on 2025-12-31. Its highest holding value was $308.2K on 2025-12-31. At its lowest, it held 10.7K shares on 2025-12-31, with a value of $308.2K on 2025-12-31.