American Superconductor shares owned by CastleArk Management
Quarter-by-quarter ownership of American Superconductor (AMSC) shares owned by CastleArk Management
from 13F filings
Historical chart of CastleArk Management investment in American Superconductor
Tip: Access up to 7 years of quarterly data
All positions including American Superconductor held by CastleArk Management consolidated in one spreadsheet with up to 7 years of data
Download as csv
Download as Excel
Quarterly reported holdings in American Superconductor by CastleArk Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $8.1M | 136k | 59.39 |
| 2025-06-30 | $4.0M | 109k | 36.69 |