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 | $240,000 | -46.7% | 276,600 | -46.0% | 0.00% | – |
| Q4 2021 | $450,000 | +110.3% | 512,000 | +218.3% | 0.00% | – |
| Q3 2021 | $214,000 | -2.3% | 160,840 | +53.4% | 0.00% | – |
| Q2 2021 | $219,000 | -17.4% | 104,877 | -15.2% | 0.00% | – |
| Q1 2021 | $265,000 | +14.2% | 123,692 | +30.0% | 0.00% | – |
| Q4 2020 | $232,000 | +1350.0% | 95,116 | +773.2% | 0.00% | – |
| Q3 2020 | $16,000 | -77.1% | 10,893 | -63.4% | 0.00% | – |
| Q2 2020 | $70,000 | +48.9% | 29,741 | -19.5% | 0.00% | – |
| Q1 2020 | $47,000 | -84.5% | 36,953 | +5.6% | 0.00% | – |
| Q4 2019 | $304,000 | +50.5% | 35,000 | +58.4% | 0.00% | – |
| Q3 2019 | $202,000 | -93.6% | 22,100 | -94.3% | 0.00% | – |
| Q2 2019 | $3,141,000 | +43.0% | 390,480 | +156.6% | 0.00% | -100.0% |
| Q1 2019 | $2,197,000 | -35.7% | 152,200 | +8.2% | 0.00% | 0.0% |
| Q2 2018 | $3,419,000 | -46.5% | 140,700 | -40.4% | 0.00% | -50.0% |
| Q1 2018 | $6,396,000 | +119.7% | 236,026 | +60.1% | 0.00% | +100.0% |
| Q4 2017 | $2,911,000 | +928.6% | 147,435 | +394.7% | 0.00% | – |
| Q3 2017 | $283,000 | +363.9% | 29,800 | +137.3% | 0.00% | – |
| Q1 2017 | $61,000 | -18.7% | 12,557 | +4.6% | 0.00% | – |
| Q2 2016 | $75,000 | -7.4% | 12,000 | +20.0% | 0.00% | – |
| Q1 2016 | $81,000 | – | 10,000 | – | 0.00% | – |
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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% |