ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 135 filers reported holding ION GEOPHYSICAL CORP in Q4 2013. The put-call ratio across all filers is 2.89 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $74,000 | +311.1% | 149,409 | +2999.8% | 0.00% | – |
| Q2 2014 | $18,000 | -95.2% | 4,820 | -94.6% | 0.00% | -100.0% |
| Q1 2014 | $372,000 | -92.5% | 88,511 | -90.7% | 0.00% | -88.9% |
| Q3 2013 | $4,931,000 | +105.1% | 948,200 | +137.4% | 0.01% | +125.0% |
| Q2 2013 | $2,404,000 | – | 399,400 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TCI Wealth Advisors, Inc. | 333 | $3,000 | 0.00% |