ION GEOPHYSICAL CORP's ticker is and the CUSIP is 462044958. A total of 2 filers reported holding ION GEOPHYSICAL CORP in Q3 2014. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $1,000 | 0.0% | 1,300 | -43.5% | 0.00% | – |
| Q3 2015 | $1,000 | -85.7% | 2,300 | -8.0% | 0.00% | – |
| Q4 2014 | $7,000 | -74.1% | 2,500 | -74.0% | 0.00% | – |
| Q3 2014 | $27,000 | -35.7% | 9,600 | -4.0% | 0.00% | – |
| Q2 2014 | $42,000 | -79.4% | 10,000 | -79.4% | 0.00% | – |
| Q1 2014 | $204,000 | -29.9% | 48,500 | -44.9% | 0.00% | – |
| Q4 2013 | $291,000 | +3.9% | 88,100 | +63.8% | 0.00% | – |
| Q3 2013 | $280,000 | +976.9% | 53,800 | +1122.7% | 0.00% | – |
| Q2 2013 | $26,000 | – | 4,400 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 400 | $1,000 | 0.00% |
| Citadel Advisors | 9,600 | $27,000 | 0.00% |