AMERICAN SUPERCONDUCTOR CORP's ticker is AMSC and the CUSIP is 030111108. A total of 3 filers reported holding AMERICAN SUPERCONDUCTOR CORP in Q4 2011. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2013 | $3,000 | 0.0% | 1,000 | 0.0% | 0.00% | – |
| Q1 2013 | $3,000 | 0.0% | 1,000 | 0.0% | 0.00% | – |
| Q4 2012 | $3,000 | -25.0% | 1,000 | 0.0% | 0.00% | – |
| Q3 2012 | $4,000 | -20.0% | 1,000 | 0.0% | 0.00% | – |
| Q2 2012 | $5,000 | +25.0% | 1,000 | 0.0% | 0.00% | – |
| Q1 2012 | $4,000 | 0.0% | 1,000 | 0.0% | 0.00% | – |
| Q4 2011 | $4,000 | -99.6% | 1,000 | -98.4% | 0.00% | -100.0% |
| Q3 2011 | $1,086,000 | -1.9% | 62,000 | 0.0% | 0.05% | +2.0% |
| Q2 2011 | $1,107,000 | +43.6% | 62,000 | +100.0% | 0.05% | -17.7% |
| Q1 2011 | $771,000 | -13.0% | 31,000 | 0.0% | 0.06% | -20.5% |
| Q4 2010 | $886,000 | +178.6% | 31,000 | +181.8% | 0.08% | +160.0% |
| Q1 2010 | $318,000 | +55.1% | 11,000 | +120.0% | 0.03% | +50.0% |
| Q4 2009 | $205,000 | +22.0% | 5,000 | 0.0% | 0.02% | +17.6% |
| Q3 2009 | $168,000 | – | 5,000 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Potomac Capital Management, Inc. | 725,200 | $1,182,000 | 0.93% |
| PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | 979,055 | $1,596,000 | 0.28% |
| IRONWOOD INVESTMENT MANAGEMENT LLC | 665,645 | $1,085,000 | 0.17% |
| Concourse Capital Management, LLC | 129,424 | $211,000 | 0.13% |
| HOWE & RUSLING INC | 4,367 | $273,000 | 0.06% |
| FLOOD GAMBLE ASSOCIATES INC | 60,000 | $98,000 | 0.04% |
| CONDOR CAPITAL MANAGEMENT | 85,193 | $139,000 | 0.04% |
| Rotella Capital Management, Inc. | 25,653 | $42,000 | 0.04% |
| Parkwood LLC | 72,176 | $118,000 | 0.03% |
| BONNESS ENTERPRISES INC | 10,500 | $17,000 | 0.02% |