ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 41 filers reported holding ION GEOPHYSICAL CORP in Q4 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $20,000 | -71.0% | 23,337 | -70.3% | 0.00% | – |
| Q4 2021 | $69,000 | -2.8% | 78,603 | +158.1% | 0.00% | – |
| Q2 2020 | $71,000 | +373.3% | 30,450 | +153.1% | 0.00% | – |
| Q1 2020 | $15,000 | -88.4% | 12,030 | -19.2% | 0.00% | – |
| Q4 2019 | $129,000 | +7.5% | 14,896 | +13.5% | 0.00% | – |
| Q3 2019 | $120,000 | -52.6% | 13,128 | -58.2% | 0.00% | – |
| Q2 2019 | $253,000 | -21.7% | 31,387 | +136.3% | 0.00% | – |
| Q2 2018 | $323,000 | -91.2% | 13,285 | -90.2% | 0.00% | -100.0% |
| Q1 2018 | $3,661,000 | +3029.1% | 135,098 | +998.1% | 0.00% | – |
| Q3 2017 | $117,000 | +4.5% | 12,303 | -52.4% | 0.00% | – |
| Q2 2017 | $112,000 | -60.1% | 25,825 | -55.4% | 0.00% | – |
| Q1 2017 | $281,000 | -55.7% | 57,892 | -45.2% | 0.00% | – |
| Q4 2016 | $634,000 | +260.2% | 105,632 | +384.9% | 0.00% | – |
| Q1 2016 | $176,000 | – | 21,786 | – | 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% |