ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 37 filers reported holding ION GEOPHYSICAL CORP in Q3 2021. The put-call ratio across all filers is 0.11 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $8,000 | 0.0% | 10,669 | -1.8% | 0.00% | – |
| Q4 2021 | $8,000 | +700.0% | 10,869 | -26.1% | 0.00% | – |
| Q3 2021 | $1,000 | 0.0% | 14,700 | -71.1% | 0.00% | – |
| Q2 2021 | $1,000 | -88.9% | 50,800 | +251.0% | 0.00% | – |
| Q1 2021 | $9,000 | – | 14,471 | +14371.0% | 0.00% | – |
| Q3 2020 | $0 | – | 100 | 0.0% | 0.00% | – |
| Q2 2020 | $0 | -100.0% | 100 | -90.0% | 0.00% | -100.0% |
| Q1 2019 | $14,000 | +180.0% | 1,000 | 0.0% | 0.00% | – |
| Q4 2018 | $5,000 | -50.0% | 1,000 | +78.3% | 0.00% | -100.0% |
| Q1 2018 | $10,000 | -56.5% | 561 | -67.0% | 0.00% | 0.0% |
| Q4 2017 | $23,000 | +76.9% | 1,700 | -21.3% | 0.00% | – |
| Q3 2017 | $13,000 | +550.0% | 2,161 | +226.9% | 0.00% | – |
| Q2 2017 | $2,000 | -66.7% | 661 | -69.4% | 0.00% | – |
| Q1 2017 | $6,000 | – | 2,161 | -28.0% | 0.00% | – |
| Q2 2016 | $0 | -100.0% | 3,000 | 0.0% | 0.00% | – |
| Q1 2016 | $2,000 | – | 3,000 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Gates Capital Management | 1,212,408 | $6,280,000 | 0.35% |
| New Jersey Better Educational Savings Trust | 22,000 | $114,000 | 0.15% |
| NJ State Employees Deferred Compensation Plan | 48,000 | $249,000 | 0.05% |
| Spark Investment Management LLC | 79,800 | $413,000 | 0.03% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 177,305 | $918,000 | 0.01% |
| Engineers Gate Manager LP | 16,334 | $85,000 | 0.01% |
| Renaissance Technologies | 1,026,523 | $5,317,000 | 0.01% |
| A.R.T. Advisors, LLC | 17,445 | $90,000 | 0.01% |
| Point72 Hong Kong Ltd | 1,893 | $10,000 | 0.01% |
| PDT Partners, LLC | 16,300 | $84,000 | 0.01% |