American Superconductor Corporation · NASDAQ:AMSC
The Vanguard Group reported a 7.40% stake in American Superconductor Corporation (Schedule 13G/A)
Event Dec 31, 2025 · Filed Jan 30, 2026
The Vanguard Group reported a 7.40% stake in American Superconductor Corporation, 3,526,632 shares, as a passive investor on Dec 31, 2025. Filed Jan 30, 2026 (Schedule 13G/A).
- Stake
- 7.40%
- Shares
- 3,526,632
- Intent
- Passive
- What changed
- Stake changed
The filing in full
| Holder | Stake | Shares |
|---|---|---|
| The Vanguard Group | 7.40% | 3,526,632 |
Source
Related
- American Superconductor Corporation
- The Vanguard Group
- American Superconductor Corporation shareholders
- Schedule 13G/A · The Vanguard Group · Mar 26, 2026
- Form 4 · Littlefield Barbara G. · Sep 21, 2026
- Schedule 13G/A · Vanguard Capital Management LLC · Jul 31, 2026
- Form 4 · Dambier Laura A. · Jun 12, 2026
- Form 4 · Kosiba John W JR · Jun 11, 2026
- Form 4 · McGahn Daniel P · Jun 11, 2026