ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 141 filers reported holding ION GEOPHYSICAL CORP in Q4 2014. The put-call ratio across all filers is 35.97 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $22,000 | +46.7% | 43,625 | +10.8% | 0.00% | – |
| Q3 2015 | $15,000 | +650.0% | 39,362 | +2047.4% | 0.00% | – |
| Q2 2015 | $2,000 | -98.4% | 1,833 | -96.8% | 0.00% | – |
| Q1 2015 | $125,000 | -61.3% | 57,498 | -51.2% | 0.00% | – |
| Q4 2014 | $323,000 | +160.5% | 117,734 | +164.9% | 0.00% | – |
| Q3 2014 | $124,000 | -0.8% | 44,449 | +50.2% | 0.00% | – |
| Q2 2014 | $125,000 | -93.6% | 29,598 | -93.6% | 0.00% | -100.0% |
| Q1 2014 | $1,946,000 | +595.0% | 462,124 | +446.3% | 0.00% | – |
| Q4 2013 | $280,000 | +39.3% | 84,590 | +118.6% | 0.00% | – |
| Q3 2013 | $201,000 | -64.1% | 38,688 | -58.4% | 0.00% | -100.0% |
| Q2 2013 | $560,000 | – | 93,015 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|