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 | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $98,000 | +188.2% | 194,245 | +120.3% | 0.00% | – |
| Q3 2015 | $34,000 | -65.7% | 88,189 | -4.8% | 0.00% | – |
| Q2 2015 | $99,000 | -83.7% | 92,614 | -67.0% | 0.00% | -100.0% |
| Q1 2015 | $609,000 | -23.8% | 280,875 | -3.4% | 0.00% | -33.3% |
| Q4 2014 | $799,000 | -5.1% | 290,722 | -3.7% | 0.00% | -25.0% |
| Q3 2014 | $842,000 | -11.6% | 301,770 | +33.6% | 0.00% | 0.0% |
| Q2 2014 | $953,000 | +120.1% | 225,842 | +119.5% | 0.00% | +100.0% |
| Q1 2014 | $433,000 | +27.4% | 102,867 | -0.1% | 0.00% | +100.0% |
| Q4 2013 | $340,000 | -38.2% | 103,005 | -2.7% | 0.00% | -50.0% |
| Q3 2013 | $550,000 | -45.0% | 105,819 | -36.3% | 0.00% | -60.0% |
| Q2 2013 | $1,000,000 | – | 166,162 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
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