ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 83 filers reported holding ION GEOPHYSICAL CORP in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $132,000 | +32.0% | 261,518 | +1.8% | 0.00% | – |
| Q3 2015 | $100,000 | -63.8% | 256,792 | -0.3% | 0.00% | -100.0% |
| Q2 2015 | $276,000 | -45.9% | 257,692 | +9.7% | 0.00% | 0.0% |
| Q1 2015 | $510,000 | -22.6% | 234,890 | -2.0% | 0.00% | -50.0% |
| Q4 2014 | $659,000 | -1.1% | 239,590 | +0.4% | 0.00% | 0.0% |
| Q3 2014 | $666,000 | -33.1% | 238,571 | +1.1% | 0.00% | -33.3% |
| Q2 2014 | $996,000 | -2.3% | 235,917 | -2.5% | 0.00% | 0.0% |
| Q1 2014 | $1,019,000 | +28.3% | 242,017 | +0.6% | 0.00% | +50.0% |
| Q4 2013 | $794,000 | -36.2% | 240,617 | +0.5% | 0.00% | -50.0% |
| Q3 2013 | $1,245,000 | -10.9% | 239,417 | +3.2% | 0.00% | -20.0% |
| Q2 2013 | $1,397,000 | -10.6% | 232,043 | +1.2% | 0.01% | 0.0% |
| Q1 2013 | $1,562,000 | – | 229,394 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TCI Wealth Advisors, Inc. | 333 | $3,000 | 0.00% |