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 | $16,000 | -88.9% | 34,767 | -90.7% | 0.00% | – |
| Q3 2015 | $144,000 | -76.8% | 373,128 | -35.9% | 0.00% | – |
| Q2 2015 | $622,000 | -50.1% | 582,464 | +1.3% | 0.00% | -100.0% |
| Q1 2015 | $1,246,000 | -27.8% | 574,877 | -8.4% | 0.00% | 0.0% |
| Q4 2014 | $1,725,000 | +110.1% | 627,718 | +112.9% | 0.00% | 0.0% |
| Q3 2014 | $821,000 | -8.7% | 294,861 | +38.1% | 0.00% | 0.0% |
| Q2 2014 | $899,000 | -65.1% | 213,590 | -65.2% | 0.00% | -50.0% |
| Q1 2014 | $2,579,000 | +25.6% | 613,151 | -1.5% | 0.00% | +100.0% |
| Q4 2013 | $2,053,000 | +34.0% | 622,242 | +111.0% | 0.00% | 0.0% |
| Q3 2013 | $1,532,000 | – | 294,951 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|