ION GEOPHYSICAL CORP's ticker is and the CUSIP is 462044957. A total of 3 filers reported holding ION GEOPHYSICAL CORP in Q2 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $3,000 | – | 3,700 | +270.0% | 0.00% | – |
| Q4 2021 | $0 | -100.0% | 1,000 | -92.5% | 0.00% | – |
| Q3 2021 | $27,000 | 0.0% | 13,300 | 0.0% | 0.00% | – |
| Q2 2021 | $27,000 | – | 13,300 | +664900.0% | 0.00% | – |
| Q1 2021 | $0 | -100.0% | 2 | -88.2% | 0.00% | – |
| Q4 2020 | $4,000 | +33.3% | 17 | -15.0% | 0.00% | – |
| Q3 2020 | $3,000 | +50.0% | 20 | -13.0% | 0.00% | – |
| Q1 2020 | $2,000 | -77.8% | 23 | +109.1% | 0.00% | – |
| Q4 2019 | $9,000 | -18.2% | 11 | -15.4% | 0.00% | – |
| Q3 2019 | $11,000 | -88.3% | 13 | -88.9% | 0.00% | – |
| Q2 2019 | $94,000 | -45.7% | 117 | -2.5% | 0.00% | – |
| Q1 2019 | $173,000 | +4225.0% | 120 | +3900.0% | 0.00% | – |
| Q3 2018 | $4,000 | -89.5% | 3 | -81.2% | 0.00% | – |
| Q2 2018 | $38,000 | – | 16 | +77.8% | 0.00% | – |
| Q1 2018 | $0 | – | 9 | -30.8% | 0.00% | – |
| Q4 2017 | $0 | – | 13 | +550.0% | 0.00% | – |
| Q3 2017 | $0 | – | 2 | -88.9% | 0.00% | – |
| Q2 2017 | $0 | – | 18 | 0.0% | 0.00% | – |
| Q1 2017 | $0 | -100.0% | 18 | -59.1% | 0.00% | – |
| Q4 2016 | $1,000 | – | 44 | +120.0% | 0.00% | – |
| Q3 2016 | $0 | -100.0% | 20 | 0.0% | 0.00% | – |
| Q2 2016 | $2,000 | – | 20 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |
| GROUP ONE TRADING, L.P. | 23,000 | $48,000 | 0.00% |
| SIMPLEX TRADING, LLC | 13,300 | $27,000 | 0.00% |