American Superconductor shares owned by Swiss National Bank
Quarter-by-quarter ownership of American Superconductor (AMSC) shares owned by Swiss National Bank
from 13F filings
Historical chart of Swiss National Bank investment in American Superconductor
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All positions including American Superconductor held by Swiss National Bank consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in American Superconductor by Swiss National Bank
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $5.0M | 85k | 59.39 |
| 2025-06-30 | $3.1M | 83k | 36.69 |
| 2025-03-31 | $1.3M | 73k | 18.14 |
| 2024-12-31 | $1.9M | 75k | 24.63 |
| 2024-09-30 | $1.7M | 72k | 23.60 |