ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 136 filers reported holding ION GEOPHYSICAL CORP in Q1 2015. The put-call ratio across all filers is 17.33 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $22,000 | -63.9% | 56,600 | -0.7% | 0.00% | -66.7% |
| Q2 2015 | $61,000 | -50.0% | 57,000 | +1.4% | 0.00% | -50.0% |
| Q1 2015 | $122,000 | -24.2% | 56,200 | -3.8% | 0.01% | -14.3% |
| Q4 2014 | $161,000 | -1.8% | 58,400 | -0.8% | 0.01% | -12.5% |
| Q3 2014 | $164,000 | -34.7% | 58,900 | -0.8% | 0.01% | -33.3% |
| Q2 2014 | $251,000 | +0.8% | 59,400 | +0.3% | 0.01% | 0.0% |
| Q1 2014 | $249,000 | +33.2% | 59,200 | +4.6% | 0.01% | +33.3% |
| Q4 2013 | $187,000 | – | 56,600 | – | 0.01% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|