ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 51 filers reported holding ION GEOPHYSICAL CORP in Q1 2017. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $0 | – | 25 | 0.0% | 0.00% | – |
| Q4 2022 | $0 | – | 25 | -85.7% | 0.00% | – |
| Q2 2021 | $0 | – | 175 | 0.0% | 0.00% | – |
| Q4 2020 | $0 | – | 175 | 0.0% | 0.00% | – |
| Q3 2020 | $0 | – | 175 | +600.0% | 0.00% | – |
| Q1 2020 | $0 | – | 25 | 0.0% | 0.00% | – |
| Q4 2019 | $0 | – | 25 | 0.0% | 0.00% | – |
| Q3 2019 | $0 | – | 25 | 0.0% | 0.00% | – |
| Q2 2019 | $0 | – | 25 | 0.0% | 0.00% | – |
| Q1 2019 | $0 | – | 25 | 0.0% | 0.00% | – |
| Q4 2018 | $0 | – | 25 | 0.0% | 0.00% | – |
| Q3 2018 | $0 | -100.0% | 25 | 0.0% | 0.00% | – |
| Q2 2018 | $1,000 | 0.0% | 25 | 0.0% | 0.00% | – |
| Q1 2018 | $1,000 | – | 25 | 0.0% | 0.00% | – |
| Q4 2017 | $0 | – | 25 | 0.0% | 0.00% | – |
| Q3 2017 | $0 | – | 25 | 0.0% | 0.00% | – |
| Q2 2017 | $0 | – | 25 | 0.0% | 0.00% | – |
| Q1 2017 | $0 | – | 25 | 0.0% | 0.00% | – |
| Q3 2016 | $0 | – | 25 | 0.0% | 0.00% | – |
| Q2 2016 | $0 | – | 25 | 0.0% | 0.00% | – |
| Q1 2016 | $0 | – | 25 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Gates Capital Management | 1,301,604 | $20,240,000 | 0.51% |
| New Jersey Better Educational Savings Trust | 16,000 | $249,000 | 0.25% |
| NJ State Employees Deferred Compensation Plan | 39,000 | $606,000 | 0.10% |
| Spark Investment Management LLC | 64,800 | $1,007,000 | 0.06% |
| GSA CAPITAL PARTNERS LLP | 43,988 | $684,000 | 0.04% |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | 83,195 | $1,294,000 | 0.03% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 206,405 | $3,210,000 | 0.03% |
| Renaissance Technologies | 1,080,082 | $16,795,000 | 0.02% |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 37,669 | $583,000 | 0.01% |
| PDT Partners, LLC | 16,300 | $253,000 | 0.01% |