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 | ||||
|---|---|---|---|---|---|---|
| Q2 2015 | $79,000 | -33.1% | 73,712 | +35.5% | 0.00% | -25.0% |
| Q1 2015 | $118,000 | +168.2% | 54,385 | +239.9% | 0.00% | +300.0% |
| Q4 2014 | $44,000 | -66.4% | 16,002 | -65.8% | 0.00% | -75.0% |
| Q3 2014 | $131,000 | +35.1% | 46,783 | +103.3% | 0.00% | +33.3% |
| Q2 2014 | $97,000 | -19.2% | 23,009 | -19.1% | 0.00% | 0.0% |
| Q1 2014 | $120,000 | – | 28,441 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|