ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 150 filers reported holding ION GEOPHYSICAL CORP in Q3 2014. The put-call ratio across all filers is 2.70 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $8,000 | -78.9% | 50 | -91.9% | 0.00% | -100.0% |
| Q2 2015 | $38,000 | -42.4% | 616 | -57.7% | 0.00% | 0.0% |
| Q1 2015 | $66,000 | +3.1% | 1,457 | +53.7% | 0.00% | 0.0% |
| Q4 2014 | $64,000 | – | 948 | +4640.0% | 0.00% | – |
| Q3 2014 | $0 | -100.0% | 20 | -99.9% | 0.00% | -100.0% |
| Q4 2013 | $75,000 | – | 23,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|