AMERICAN SUPERCONDUCTOR CORP's ticker is AMSC and the CUSIP is 030111207. A total of 61 filers reported holding AMERICAN SUPERCONDUCTOR CORP in Q1 2018. The put-call ratio across all filers is 0.70 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $10,000 | +11.1% | 1,264 | +9.7% | 0.00% | – |
| Q3 2019 | $9,000 | +350.0% | 1,152 | +366.4% | 0.00% | – |
| Q2 2019 | $2,000 | -81.8% | 247 | -70.8% | 0.00% | – |
| Q1 2019 | $11,000 | +10.0% | 847 | 0.0% | 0.00% | – |
| Q4 2018 | $10,000 | +400.0% | 847 | +203.6% | 0.00% | – |
| Q3 2018 | $2,000 | 0.0% | 279 | 0.0% | 0.00% | – |
| Q2 2018 | $2,000 | 0.0% | 279 | 0.0% | 0.00% | – |
| Q1 2018 | $2,000 | +100.0% | 279 | 0.0% | 0.00% | – |
| Q4 2017 | $1,000 | – | 279 | +179.0% | 0.00% | – |
| Q3 2017 | $0 | – | 100 | -9.1% | 0.00% | – |
| Q2 2017 | $0 | -100.0% | 110 | +2.8% | 0.00% | – |
| Q1 2017 | $1,000 | 0.0% | 107 | -6.1% | 0.00% | – |
| Q4 2016 | $1,000 | 0.0% | 114 | 0.0% | 0.00% | – |
| Q3 2016 | $1,000 | – | 114 | 0.0% | 0.00% | – |
| Q2 2016 | $0 | – | 114 | – | 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% |