ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 41 filers reported holding ION GEOPHYSICAL CORP in Q2 2020. The put-call ratio across all filers is 237.00 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $132,000 | +300.0% | 54,182 | +146.3% | 0.02% | +266.7% |
| Q3 2020 | $33,000 | -84.1% | 21,994 | -86.5% | 0.01% | -88.5% |
| Q1 2020 | $207,000 | -24.5% | 162,947 | +416.7% | 0.05% | +62.5% |
| Q4 2019 | $274,000 | -59.9% | 31,538 | -28.3% | 0.03% | -15.8% |
| Q3 2018 | $684,000 | -77.9% | 43,988 | -65.5% | 0.04% | -75.3% |
| Q2 2018 | $3,101,000 | – | 127,593 | – | 0.15% | – |
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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% |