ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 150 filers reported holding ION GEOPHYSICAL CORP in Q3 2014. The put-call ratio across all filers is 2.70 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $10,211,000 | -24.6% | 20,421 | -41.2% | 0.00% | – |
| Q3 2015 | $13,537,000 | +7.8% | 34,710 | +195.7% | 0.00% | – |
| Q2 2015 | $12,560,000 | +92.2% | 11,738 | +289.8% | 0.00% | – |
| Q1 2015 | $6,534,000 | -66.9% | 3,011 | -57.5% | 0.00% | – |
| Q3 2014 | $19,764,000 | +246.4% | 7,084 | +309.7% | 0.00% | – |
| Q4 2013 | $5,706,000 | -96.9% | 1,729 | -95.2% | 0.00% | – |
| Q3 2013 | $186,878,000 | -33.2% | 35,938 | -22.6% | 0.00% | – |
| Q2 2013 | $279,689,000 | – | 46,460 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
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