American Superconductor Corporation · NASDAQ:AMSC
Vanguard Capital Management LLC reported a 5.00% stake in American Superconductor Corporation (Schedule 13G)
Event Mar 31, 2026 · Filed Apr 29, 2026
Vanguard Capital Management LLC reported a 5.00% stake in American Superconductor Corporation, 2,384,736 shares, as a passive investor on Mar 31, 2026. Filed Apr 29, 2026 (Schedule 13G).
- Stake
- 5.00%
- Shares
- 2,384,736
- Intent
- Passive
- What changed
- Crossed above 5%
The filing in full
| Holder | Stake | Shares |
|---|---|---|
| Vanguard Capital Management | 5.00% | 2,384,736 |
Source
Related
- American Superconductor Corporation
- Vanguard Capital Management LLC
- American Superconductor Corporation shareholders
- Schedule 13G/A · Vanguard Capital Management LLC · Jul 31, 2026
- Form 4 · Littlefield Barbara G. · Sep 21, 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
- Form 4 · Kosiba John W JR · Jun 10, 2026