ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 37 filers reported holding ION GEOPHYSICAL CORP in Q4 2020. 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 ↓ |
|---|---|---|---|
| GSA CAPITAL PARTNERS LLP | 54,182 | $132,000 | 0.02% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 77,400 | $188,000 | 0.00% |
| Renaissance Technologies | 1,004,267 | $2,440,000 | 0.00% |
| SeaCrest Wealth Management, LLC | 10,000 | $24,000 | 0.00% |
| FARMERS & MERCHANTS INVESTMENTS INC | 20,763 | $50,000 | 0.00% |
| Neuberger Berman Group LLC | 284,018 | $690,000 | 0.00% |
| ACADIAN ASSET MANAGEMENT LLC | 79,526 | $193,000 | 0.00% |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | 17,876 | $43,000 | 0.00% |
| DEUTSCHE BANK AG\ | 300,000 | $729,000 | 0.00% |
| MORGAN STANLEY | 747 | $2,000 | 0.00% |