ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 163 filers reported holding ION GEOPHYSICAL CORP in Q1 2014. The put-call ratio across all filers is 3.28 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $355,000 | -62.2% | 909,258 | +3.5% | 0.00% | – |
| Q2 2015 | $939,000 | -75.5% | 878,133 | -50.3% | 0.00% | -100.0% |
| Q1 2015 | $3,837,000 | -27.2% | 1,768,021 | -7.7% | 0.00% | 0.0% |
| Q4 2014 | $5,267,000 | +10.1% | 1,915,448 | +11.7% | 0.00% | 0.0% |
| Q3 2014 | $4,784,000 | +93.2% | 1,714,902 | +192.3% | 0.00% | 0.0% |
| Q2 2014 | $2,476,000 | +558.5% | 586,700 | +557.9% | 0.00% | – |
| Q1 2014 | $376,000 | -59.9% | 89,182 | -68.6% | 0.00% | – |
| Q4 2013 | $938,000 | -46.8% | 284,142 | -16.1% | 0.00% | -100.0% |
| Q3 2013 | $1,762,000 | -17.4% | 338,773 | -4.4% | 0.00% | 0.0% |
| Q2 2013 | $2,133,000 | – | 354,464 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|