ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 151 filers reported holding ION GEOPHYSICAL CORP in Q2 2013. The put-call ratio across all filers is 2.71 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $11,000 | +37.5% | 22,199 | +8.0% | 0.00% | – |
| Q3 2015 | $8,000 | -90.4% | 20,558 | -73.7% | 0.00% | – |
| Q2 2015 | $83,000 | -80.1% | 78,313 | -59.2% | 0.00% | – |
| Q1 2015 | $417,000 | +672.2% | 192,164 | +886.3% | 0.00% | – |
| Q4 2014 | $54,000 | -96.2% | 19,483 | -96.2% | 0.00% | -100.0% |
| Q3 2014 | $1,428,000 | -44.8% | 511,604 | -16.6% | 0.00% | 0.0% |
| Q2 2014 | $2,588,000 | -27.3% | 613,256 | -27.5% | 0.00% | 0.0% |
| Q1 2014 | $3,560,000 | +1335.5% | 845,437 | +1024.4% | 0.00% | – |
| Q4 2013 | $248,000 | -92.4% | 75,192 | -88.0% | 0.00% | -100.0% |
| Q3 2013 | $3,249,000 | -43.2% | 624,605 | -34.2% | 0.00% | -33.3% |
| Q2 2013 | $5,717,000 | – | 949,746 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|