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 | ||||
|---|---|---|---|---|---|---|
| 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 ↓ |
|---|---|---|---|
| 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% |