D. E. Shaw & Co., Inc.'s ownership history for AMSC

D. E. Shaw & Co., Inc. currently holds 752.7K shares with a market value of $44.7M. It started holding AMSC on 2024-12-31. At its peak, it held 752.7K shares on 2025-09-30. Its highest holding value was $44.7M on 2025-09-30. At its lowest, it held 75.0K shares on 2025-03-31, with a value of $1.4M on 2025-03-31. In the recent 180 days, D. E. Shaw & Co., Inc. has increased its shares by 677.7K.

It has also owned 934 contracts of calls, with the market value of the underlying securities totaling $5.5M on 2024-12-31. At its peak, it held 1.6K contracts of calls on 2024-12-31 and it owned calls with the market value of the underlying securities totaling $5.5M on 2025-09-30. At its lowest, it held 87 contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $319.2K on 2025-06-30. In the recent 180 days, D. E. Shaw & Co., Inc. has increased its holdings by 692 contracts.