ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 54 filers reported holding ION GEOPHYSICAL CORP in Q3 2016. 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% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Alambic Investment Management, L.P. | 73,913 | $674,000 | 0.51% |
| Gates Capital Management | 539,855 | $4,923,000 | 0.21% |
| Spark Investment Management LLC | 100,000 | $912,000 | 0.12% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 130,216 | $1,188,000 | 0.02% |
| Squarepoint Ops LLC | 98,634 | $900,000 | 0.01% |
| Quantamental Technologies LLC | 2,371 | $22,000 | 0.01% |
| Renaissance Technologies | 901,519 | $8,222,000 | 0.01% |
| ROYCE & ASSOCIATES LP | 71,880 | $656,000 | 0.01% |
| Neuberger Berman Group LLC | 480,187 | $4,377,000 | 0.01% |
| ACADIAN ASSET MANAGEMENT LLC | 106,808 | $974,000 | 0.00% |