ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 71 filers reported holding ION GEOPHYSICAL CORP in Q2 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2016 | $648,000 | – | 104,000 | – | 0.04% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Gates Capital Management | 2,672,096 | $2,351,000 | 0.06% |
| Virtu Financial LLC | 72,158 | $63,000 | 0.01% |
| Summit Financial Wealth Advisors, LLC | 19,800 | $20,000 | 0.00% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 92,400 | $81,000 | 0.00% |
| DUPONT CAPITAL MANAGEMENT CORP | 64,534 | $57,000 | 0.00% |
| SANDERS MORRIS HARRIS LLC | 14,100 | $12,000 | 0.00% |
| Your Advocates Ltd., LLP | 1,000 | $1,000 | 0.00% |
| Engineers Gate Manager LP | 14,782 | $13,000 | 0.00% |
| Quadrature Capital Ltd | 11,204 | $10,000 | 0.00% |
| GOLDMAN SACHS GROUP INC | 78,603 | $69,000 | 0.00% |