ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 44 filers reported holding ION GEOPHYSICAL CORP in Q1 2021. The put-call ratio across all filers is 0.79 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $78,000 | -7.1% | 89,646 | +42.0% | 0.00% | – |
| Q3 2021 | $84,000 | +4100.0% | 63,148 | +9971.5% | 0.00% | – |
| Q4 2020 | $2,000 | -81.8% | 627 | -91.3% | 0.00% | – |
| Q3 2020 | $11,000 | +450.0% | 7,170 | +912.7% | 0.00% | – |
| Q2 2020 | $2,000 | -75.0% | 708 | -89.2% | 0.00% | – |
| Q1 2020 | $8,000 | -82.2% | 6,561 | +18.6% | 0.00% | – |
| Q2 2019 | $45,000 | -92.1% | 5,534 | -85.9% | 0.00% | -100.0% |
| Q1 2019 | $568,000 | +18833.3% | 39,354 | +17468.8% | 0.01% | – |
| Q3 2018 | $3,000 | -94.6% | 224 | -89.2% | 0.00% | -100.0% |
| Q1 2018 | $56,000 | +2700.0% | 2,068 | +490.9% | 0.00% | – |
| Q2 2016 | $2,000 | – | 350 | – | 0.00% | – |
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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% |