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 2014 | $28,000 | – | 9,695 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
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