ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 51 filers reported holding ION GEOPHYSICAL CORP in Q1 2017. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $0 | – | 51 | +410.0% | 0.00% | – |
| Q2 2021 | $0 | -100.0% | 10 | -98.4% | 0.00% | – |
| Q3 2019 | $6,000 | -90.9% | 632 | -92.2% | 0.00% | – |
| Q2 2019 | $66,000 | +11.9% | 8,123 | +101.6% | 0.00% | – |
| Q1 2019 | $59,000 | +59.5% | 4,029 | -42.8% | 0.00% | – |
| Q4 2018 | $37,000 | -47.1% | 7,042 | +56.6% | 0.00% | – |
| Q3 2018 | $70,000 | -23.1% | 4,498 | +20.6% | 0.00% | – |
| Q2 2018 | $91,000 | +5.8% | 3,731 | +17.0% | 0.00% | – |
| Q1 2018 | $86,000 | +132.4% | 3,189 | +71.1% | 0.00% | – |
| Q4 2017 | $37,000 | +94.7% | 1,864 | -8.6% | 0.00% | – |
| Q3 2017 | $19,000 | +137.5% | 2,040 | +9.4% | 0.00% | – |
| Q2 2017 | $8,000 | -11.1% | 1,864 | -1.1% | 0.00% | – |
| Q1 2017 | $9,000 | -18.2% | 1,885 | +1.1% | 0.00% | – |
| Q4 2016 | $11,000 | – | 1,864 | +2906.5% | 0.00% | – |
| Q3 2016 | $0 | -100.0% | 62 | -97.9% | 0.00% | – |
| Q2 2016 | $18,000 | – | 2,910 | – | 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% |