ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 1 filers reported holding ION GEOPHYSICAL CORP in Q1 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $95,000 | +23.4% | 189,250 | -4.6% | 0.00% | – |
| Q3 2015 | $77,000 | -63.8% | 198,290 | -0.2% | 0.00% | – |
| Q2 2015 | $213,000 | -50.6% | 198,600 | 0.0% | 0.00% | – |
| Q1 2015 | $431,000 | -22.5% | 198,600 | -1.7% | 0.00% | – |
| Q4 2014 | $556,000 | -7.2% | 202,000 | -5.9% | 0.00% | -100.0% |
| Q3 2014 | $599,000 | -36.8% | 214,700 | -4.5% | 0.00% | 0.0% |
| Q2 2014 | $948,000 | +0.2% | 224,700 | 0.0% | 0.00% | 0.0% |
| Q1 2014 | $946,000 | +26.1% | 224,700 | -1.2% | 0.00% | 0.0% |
| Q4 2013 | $750,000 | -44.2% | 227,407 | -12.0% | 0.00% | 0.0% |
| Q3 2013 | $1,343,000 | -12.5% | 258,349 | +1.3% | 0.00% | -50.0% |
| Q2 2013 | $1,535,000 | – | 255,049 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|