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 | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $27,000 | -56.5% | 70,335 | +23.2% | 0.00% | – |
| Q2 2015 | $62,000 | -53.0% | 57,077 | -6.5% | 0.00% | – |
| Q1 2015 | $132,000 | +29.4% | 61,028 | +64.7% | 0.00% | – |
| Q4 2014 | $102,000 | +12.1% | 37,047 | +15.3% | 0.00% | – |
| Q3 2014 | $91,000 | -38.9% | 32,125 | -8.6% | 0.00% | – |
| Q2 2014 | $149,000 | +43.3% | 35,163 | +42.3% | 0.00% | – |
| Q1 2014 | $104,000 | -29.3% | 24,718 | -44.4% | 0.00% | – |
| Q4 2013 | $147,000 | -49.7% | 44,417 | -21.1% | 0.00% | – |
| Q3 2013 | $292,000 | +50.5% | 56,307 | +74.6% | 0.00% | – |
| Q2 2013 | $194,000 | – | 32,240 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|