AMERICAN SUPERCONDUCTOR CORP's ticker is AMSC and the CUSIP is 030111207. A total of 70 filers reported holding AMERICAN SUPERCONDUCTOR CORP in Q4 2018. The put-call ratio across all filers is 0.66 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2019 | $94,000 | -16.1% | 12,024 | 0.0% | 0.08% | -21.3% |
| Q2 2019 | $112,000 | -27.7% | 12,024 | 0.0% | 0.11% | -30.8% |
| Q1 2019 | $155,000 | +72.2% | 12,024 | -7.1% | 0.16% | +200.0% |
| Q3 2018 | $90,000 | -1.1% | 12,943 | 0.0% | 0.05% | -7.1% |
| Q2 2018 | $91,000 | +21.3% | 12,943 | 0.0% | 0.06% | +16.7% |
| Q1 2018 | $75,000 | +27.1% | 12,943 | 0.0% | 0.05% | +65.5% |
| Q3 2017 | $59,000 | -1.7% | 12,943 | 0.0% | 0.03% | -14.7% |
| Q2 2017 | $60,000 | -32.6% | 12,943 | 0.0% | 0.03% | -35.8% |
| Q1 2017 | $89,000 | -2.2% | 12,943 | 0.0% | 0.05% | -10.2% |
| Q3 2016 | $91,000 | -16.5% | 12,943 | 0.0% | 0.06% | -13.2% |
| Q2 2016 | $109,000 | +11.2% | 12,943 | 0.0% | 0.07% | +15.3% |
| Q1 2016 | $98,000 | +75.0% | 12,943 | +0.0% | 0.06% | +110.7% |
| Q3 2015 | $56,000 | -17.6% | 12,942 | 0.0% | 0.03% | -17.6% |
| Q2 2015 | $68,000 | -18.1% | 12,942 | 0.0% | 0.03% | -24.4% |
| Q1 2015 | $83,000 | – | 12,942 | – | 0.04% | – |
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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% |