American Superconductor shares owned by State of Wisconsin Investment Board
Quarter-by-quarter ownership of American Superconductor (AMSC) shares owned by State of Wisconsin Investment Board
from 13F filings
Historical chart of State of Wisconsin Investment Board investment in American Superconductor
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Quarterly reported holdings in American Superconductor by State of Wisconsin Investment Board
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-12-31 | $323k | 11k | 28.78 |
| 2025-09-30 | $380k | 6.4k | 59.39 |
| 2023-03-31 | $101k | 21k | 4.91 |
| 2022-12-31 | $184k | 50k | 3.68 |
| 2022-09-30 | $336k | 77k | 4.39 |
| 2022-06-30 | $641k | 124k | 5.18 |
| 2022-03-31 | $447k | 59k | 7.62 |
| 2021-06-30 | $303k | 17k | 17.41 |
| 2021-03-31 | $319k | 17k | 18.99 |
| 2020-12-31 | $349k | 15k | 23.42 |
More positions owned by State of Wisconsin Investment Board
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