American Superconductor shares owned by Vanguard Global Advisers
Quarter-by-quarter ownership of American Superconductor (AMSC) shares owned by Vanguard Global Advisers
from 13F filings
Historical chart of Vanguard Global Advisers investment in American Superconductor
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Quarterly reported holdings in American Superconductor by Vanguard Global Advisers
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-03-31 | $660k | 20k | 33.85 |