ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 141 filers reported holding ION GEOPHYSICAL CORP in Q3 2013. The put-call ratio across all filers is 1.87 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2015 | $247,000 | -14.2% | 230,907 | +73.7% | 0.02% | -14.3% |
| Q1 2015 | $288,000 | -52.2% | 132,921 | -38.4% | 0.03% | -46.2% |
| Q3 2014 | $602,000 | -86.9% | 215,777 | -80.2% | 0.05% | -85.6% |
| Q2 2014 | $4,596,000 | +188.0% | 1,089,028 | +187.2% | 0.36% | +241.5% |
| Q1 2014 | $1,596,000 | -53.8% | 379,203 | -63.8% | 0.11% | -35.0% |
| Q4 2013 | $3,455,000 | +296.7% | 1,046,927 | +525.1% | 0.16% | +307.5% |
| Q3 2013 | $871,000 | -68.2% | 167,482 | -63.2% | 0.04% | -65.2% |
| Q2 2013 | $2,741,000 | – | 455,329 | – | 0.12% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TCI Wealth Advisors, Inc. | 333 | $3,000 | 0.00% |