American Superconductor Corp
AMSC- Exchange
- Nasdaq
- Industry
- Motors & Generators
- SEC CIK
- 0000880807
No open-market purchases or sales by American Superconductor Corp insiders were filed in the last 90 days; 277 institutions reported holding it in 13F filings for Q2 2026, worth $1.47B in total; no superinvestor holds it.
Q4 2023 vs. Q3 2023
How the institutions holding American Superconductor Corp changed between Q3 2023 and Q4 2023.
All holders in Q4 2023All holders in Q3 2023
| Measure | Q3 2023 | Q4 2023 | Change |
|---|---|---|---|
| Holders | 72 | 99 | +27 |
| Shares | 13.2M | 16.0M | +2.82M (+21.3%) |
| Value | $100.0M | $178.8M | +$78.8M (+78.8%) |
New holders (34)
Institutions that held American Superconductor Corp at the end of Q4 2023 but not at the end of Q3 2023.
Sold out (7)
Institutions that held American Superconductor Corp at the end of Q3 2023 and filed for Q4 2023 without it.
| Institution | Shares, Q3 2023 | Value, Q3 2023 |
|---|---|---|
| GMT Capital Corp | 108,066 | $815.9K |
| Virtu Financial LLC | 37,823 | $286.0K |
| Bank of Montreal | 21,000 | $209.4K |
| Verition Fund Management LLC | 21,600 | $163.1K |
| Group One Trading, L.P. | 18,130 | $136.9K |
| Quarry LP | 1,296 | $9.79K |
| Aspire Private Capital, LLC | 100 | $755 |