ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 1 filers reported holding ION GEOPHYSICAL CORP in Q1 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $62,000 | +29.2% | 123,100 | 0.0% | 0.00% | – |
| Q3 2015 | $48,000 | -66.2% | 123,100 | -7.2% | 0.00% | -100.0% |
| Q2 2015 | $142,000 | -50.7% | 132,660 | 0.0% | 0.00% | -66.7% |
| Q1 2015 | $288,000 | -26.3% | 132,660 | -6.8% | 0.00% | -25.0% |
| Q4 2014 | $391,000 | -44.5% | 142,320 | -43.7% | 0.00% | -55.6% |
| Q3 2014 | $705,000 | -35.8% | 252,665 | -2.9% | 0.01% | -18.2% |
| Q2 2014 | $1,098,000 | -18.9% | 260,125 | -19.1% | 0.01% | -26.7% |
| Q1 2014 | $1,354,000 | – | 321,710 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TCI Wealth Advisors, Inc. | 333 | $3,000 | 0.00% |