AMERICAN SUPERCONDUCTOR CORP's ticker is AMSC and the CUSIP is 030111207. A total of 101 filers reported holding AMERICAN SUPERCONDUCTOR CORP in Q3 2021. The put-call ratio across all filers is 0.52 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $0 | – | 15 | 0.0% | 0.00% | – |
| Q3 2021 | $0 | – | 15 | -25.0% | 0.00% | – |
| Q4 2019 | $0 | -100.0% | 20 | -86.7% | 0.00% | – |
| Q2 2017 | $1,000 | 0.0% | 150 | 0.0% | 0.00% | – |
| Q1 2017 | $1,000 | 0.0% | 150 | 0.0% | 0.00% | – |
| Q4 2016 | $1,000 | 0.0% | 150 | 0.0% | 0.00% | – |
| Q3 2016 | $1,000 | 0.0% | 150 | 0.0% | 0.00% | – |
| Q2 2016 | $1,000 | 0.0% | 150 | 0.0% | 0.00% | – |
| Q1 2016 | $1,000 | 0.0% | 150 | 0.0% | 0.00% | – |
| Q4 2015 | $1,000 | 0.0% | 150 | 0.0% | 0.00% | – |
| Q3 2015 | $1,000 | 0.0% | 150 | 0.0% | 0.00% | – |
| Q2 2015 | $1,000 | -92.3% | 150 | -93.0% | 0.00% | – |
| Q1 2015 | $13,000 | – | 2,150 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| AWM Investment Company, Inc. | 1,268,670 | $29,712,000 | 3.78% |
| Stormborn Capital Management, LLC | 225,000 | $5,270,000 | 2.75% |
| Telemark Asset Management, LLC | 470,000 | $11,007,000 | 1.14% |
| Hood River Capital Management LLC | 741,688 | $17,370,000 | 0.58% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 161,994 | $3,794,000 | 0.47% |
| CM Management, LLC | 19,589 | $459,000 | 0.43% |
| EAM Global Investors LLC | 56,960 | $1,334,000 | 0.36% |
| Portolan Capital Management | 166,935 | $3,910,000 | 0.36% |
| EAM Investors, LLC | 76,895 | $1,801,000 | 0.30% |
| FORMULA GROWTH LTD | 75,000 | $1,757,000 | 0.29% |