ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 118 filers reported holding ION GEOPHYSICAL CORP in Q3 2015. The put-call ratio across all filers is 0.00 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $104,000 | +20.9% | 207,244 | -5.8% | 0.00% | – |
| Q3 2015 | $86,000 | -61.8% | 220,074 | +4.5% | 0.00% | -100.0% |
| Q2 2015 | $225,000 | -49.6% | 210,606 | +2.4% | 0.00% | 0.0% |
| Q1 2015 | $446,000 | -16.6% | 205,631 | +5.8% | 0.00% | -50.0% |
| Q4 2014 | $535,000 | +3.9% | 194,431 | +5.4% | 0.00% | 0.0% |
| Q3 2014 | $515,000 | -33.8% | 184,431 | 0.0% | 0.00% | 0.0% |
| Q2 2014 | $778,000 | -2.0% | 184,431 | -2.2% | 0.00% | 0.0% |
| Q1 2014 | $794,000 | +21.0% | 188,549 | -5.1% | 0.00% | 0.0% |
| Q4 2013 | $656,000 | -41.5% | 198,739 | -7.9% | 0.00% | -33.3% |
| Q3 2013 | $1,122,000 | -14.5% | 215,689 | -1.1% | 0.00% | -25.0% |
| Q2 2013 | $1,313,000 | – | 218,144 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
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