ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 37 filers reported holding ION GEOPHYSICAL CORP in Q3 2021. The put-call ratio across all filers is 0.11 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $46,000 | -2.1% | 52,813 | -2.2% | 0.00% | – |
| Q4 2021 | $47,000 | -32.9% | 54,022 | +1.9% | 0.00% | – |
| Q3 2021 | $70,000 | -36.9% | 52,996 | 0.0% | 0.00% | – |
| Q2 2021 | $111,000 | +50.0% | 52,996 | +54.1% | 0.00% | – |
| Q1 2021 | $74,000 | -10.8% | 34,393 | +0.2% | 0.00% | – |
| Q4 2020 | $83,000 | +29.7% | 34,337 | -19.3% | 0.00% | – |
| Q3 2020 | $64,000 | -25.6% | 42,546 | +15.9% | 0.00% | – |
| Q2 2020 | $86,000 | +83.0% | 36,714 | -2.2% | 0.00% | – |
| Q1 2020 | $47,000 | -85.6% | 37,539 | -0.3% | 0.00% | – |
| Q4 2019 | $326,000 | -7.1% | 37,646 | -2.5% | 0.00% | – |
| Q3 2019 | $351,000 | -69.4% | 38,594 | -72.9% | 0.00% | – |
| Q2 2019 | $1,148,000 | -46.9% | 142,629 | -4.8% | 0.00% | -100.0% |
| Q1 2019 | $2,163,000 | +181.3% | 149,754 | +0.7% | 0.00% | – |
| Q4 2018 | $769,000 | -67.1% | 148,646 | -1.1% | 0.00% | -100.0% |
| Q3 2018 | $2,338,000 | -28.3% | 150,367 | +12.1% | 0.00% | 0.0% |
| Q2 2018 | $3,259,000 | +211.3% | 134,115 | +247.4% | 0.00% | – |
| Q1 2018 | $1,047,000 | +65.9% | 38,608 | +20.7% | 0.00% | – |
| Q4 2017 | $631,000 | +136.3% | 31,983 | +14.2% | 0.00% | – |
| Q3 2017 | $267,000 | +120.7% | 28,014 | +0.6% | 0.00% | – |
| Q2 2017 | $121,000 | -10.4% | 27,843 | +0.1% | 0.00% | – |
| Q1 2017 | $135,000 | -16.7% | 27,826 | +3.0% | 0.00% | – |
| Q4 2016 | $162,000 | -20.2% | 27,027 | -9.0% | 0.00% | – |
| Q3 2016 | $203,000 | +50.4% | 29,689 | +36.5% | 0.00% | – |
| Q2 2016 | $135,000 | -81.7% | 21,758 | -76.1% | 0.00% | – |
| Q1 2016 | $736,000 | – | 91,123 | – | 0.00% | – |
Download | ||||||
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% |