ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 44 filers reported holding ION GEOPHYSICAL CORP in Q1 2021. The put-call ratio across all filers is 0.79 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $12,000 | -81.0% | 13,923 | -80.7% | 0.00% | -83.3% |
| Q4 2021 | $63,000 | +6.8% | 72,158 | +63.8% | 0.01% | +20.0% |
| Q3 2021 | $59,000 | +55.3% | 44,041 | +147.3% | 0.01% | +66.7% |
| Q1 2021 | $38,000 | +15.2% | 17,811 | +27.9% | 0.00% | -25.0% |
| Q2 2020 | $33,000 | -64.1% | 13,923 | +21.5% | 0.00% | -20.0% |
| Q2 2019 | $92,000 | -8.9% | 11,460 | +7.5% | 0.01% | 0.0% |
| Q3 2017 | $101,000 | – | 10,662 | – | 0.01% | – |
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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% |