ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 54 filers reported holding ION GEOPHYSICAL CORP in Q3 2019. The put-call ratio across all filers is 0.45 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $33,000 | -47.6% | 37,170 | -21.7% | 0.00% | – |
| Q3 2021 | $63,000 | -66.8% | 47,495 | -47.8% | 0.00% | -100.0% |
| Q2 2021 | $190,000 | -11.2% | 90,914 | -9.2% | 0.00% | 0.0% |
| Q1 2021 | $214,000 | +229.2% | 100,104 | +274.7% | 0.00% | – |
| Q4 2020 | $65,000 | -45.4% | 26,717 | -66.3% | 0.00% | -100.0% |
| Q3 2020 | $119,000 | +112.5% | 79,391 | +232.8% | 0.00% | +100.0% |
| Q2 2020 | $56,000 | -94.3% | 23,855 | -79.0% | 0.00% | -83.3% |
| Q4 2019 | $985,000 | +9.4% | 113,450 | +15.0% | 0.01% | -25.0% |
| Q3 2019 | $900,000 | +57.6% | 98,634 | +39.1% | 0.01% | +33.3% |
| Q2 2019 | $571,000 | +727.5% | 70,925 | +539.0% | 0.01% | +50.0% |
| Q2 2016 | $69,000 | – | 11,100 | – | 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% |