ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 58 filers reported holding ION GEOPHYSICAL CORP in Q4 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2020 | $25,000 | -34.2% | 16,371 | 0.0% | 0.00% | – |
| Q2 2020 | $38,000 | -35.6% | 16,371 | -64.7% | 0.00% | – |
| Q1 2020 | $59,000 | -57.6% | 46,371 | +189.8% | 0.00% | – |
| Q4 2019 | $139,000 | -75.5% | 16,000 | -74.3% | 0.00% | – |
| Q3 2019 | $568,000 | -11.4% | 62,277 | -21.8% | 0.00% | -100.0% |
| Q2 2019 | $641,000 | +438.7% | 79,607 | +863.3% | 0.00% | – |
| Q1 2019 | $119,000 | -41.7% | 8,264 | -79.1% | 0.00% | – |
| Q4 2018 | $204,000 | +300.0% | 39,501 | +1097.7% | 0.00% | – |
| Q3 2018 | $51,000 | +45.7% | 3,298 | +131.8% | 0.00% | – |
| Q2 2018 | $35,000 | +775.0% | 1,423 | +836.2% | 0.00% | – |
| Q1 2018 | $4,000 | -93.7% | 152 | -98.1% | 0.00% | – |
| Q1 2016 | $63,000 | – | 7,872 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GSA CAPITAL PARTNERS LLP | 54,182 | $132,000 | 0.02% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 77,400 | $188,000 | 0.00% |
| Renaissance Technologies | 1,004,267 | $2,440,000 | 0.00% |
| SeaCrest Wealth Management, LLC | 10,000 | $24,000 | 0.00% |
| FARMERS & MERCHANTS INVESTMENTS INC | 20,763 | $50,000 | 0.00% |
| Neuberger Berman Group LLC | 284,018 | $690,000 | 0.00% |
| ACADIAN ASSET MANAGEMENT LLC | 79,526 | $193,000 | 0.00% |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC | 17,876 | $43,000 | 0.00% |
| DEUTSCHE BANK AG\ | 300,000 | $729,000 | 0.00% |
| MORGAN STANLEY | 747 | $2,000 | 0.00% |