ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 141 filers reported holding ION GEOPHYSICAL CORP in Q3 2013. The put-call ratio across all filers is 1.87 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $78,000 | -63.2% | 198,356 | 0.0% | 0.00% | – |
| Q2 2015 | $212,000 | -50.7% | 198,356 | 0.0% | 0.00% | – |
| Q1 2015 | $430,000 | -21.2% | 198,356 | 0.0% | 0.00% | – |
| Q4 2014 | $546,000 | +85.7% | 198,356 | +88.4% | 0.00% | – |
| Q3 2014 | $294,000 | -33.3% | 105,307 | +0.8% | 0.00% | – |
| Q2 2014 | $441,000 | -70.6% | 104,509 | -70.6% | 0.00% | – |
| Q1 2014 | $1,498,000 | +27.5% | 355,909 | 0.0% | 0.00% | – |
| Q4 2013 | $1,175,000 | -96.6% | 355,909 | -94.7% | 0.00% | -100.0% |
| Q3 2013 | $35,029,000 | -34.7% | 6,736,485 | -24.4% | 0.01% | -38.9% |
| Q2 2013 | $53,620,000 | – | 8,907,070 | – | 0.02% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|