ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 37 filers reported holding ION GEOPHYSICAL CORP in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $8,000 | +14.3% | 9,450 | +10.5% | 0.00% | – |
| Q4 2021 | $7,000 | -50.0% | 8,552 | -21.3% | 0.00% | – |
| Q3 2021 | $14,000 | -97.1% | 10,871 | -95.3% | 0.00% | – |
| Q2 2021 | $488,000 | -35.3% | 233,330 | -33.8% | 0.00% | – |
| Q1 2021 | $754,000 | +37600.0% | 352,252 | +47055.6% | 0.00% | – |
| Q4 2020 | $2,000 | -99.4% | 747 | -99.6% | 0.00% | – |
| Q3 2020 | $316,000 | +184.7% | 210,566 | +343.9% | 0.00% | – |
| Q2 2020 | $111,000 | +76.2% | 47,433 | -3.8% | 0.00% | – |
| Q1 2020 | $63,000 | -97.7% | 49,307 | -84.2% | 0.00% | -100.0% |
| Q4 2019 | $2,716,000 | -4.5% | 312,847 | +0.3% | 0.00% | 0.0% |
| Q3 2019 | $2,845,000 | +92.2% | 311,982 | +69.7% | 0.00% | – |
| Q2 2019 | $1,480,000 | +569.7% | 183,855 | +1098.8% | 0.00% | – |
| Q1 2019 | $221,000 | +121.0% | 15,337 | -19.9% | 0.00% | – |
| Q4 2018 | $100,000 | -67.8% | 19,138 | -4.3% | 0.00% | – |
| Q3 2018 | $311,000 | -47.6% | 19,988 | -18.2% | 0.00% | – |
| Q2 2018 | $594,000 | -53.8% | 24,449 | -48.5% | 0.00% | – |
| Q1 2018 | $1,287,000 | +291.2% | 47,490 | +184.9% | 0.00% | – |
| Q4 2017 | $329,000 | +600.0% | 16,670 | +236.8% | 0.00% | – |
| Q3 2017 | $47,000 | +1075.0% | 4,950 | +458.1% | 0.00% | – |
| Q2 2017 | $4,000 | -87.5% | 887 | -86.4% | 0.00% | – |
| Q1 2017 | $32,000 | -87.7% | 6,508 | -85.0% | 0.00% | – |
| Q4 2016 | $260,000 | +1900.0% | 43,358 | +2070.1% | 0.00% | – |
| Q3 2016 | $13,000 | -50.0% | 1,998 | -53.0% | 0.00% | – |
| Q2 2016 | $26,000 | -45.8% | 4,255 | -29.4% | 0.00% | – |
| Q1 2016 | $48,000 | – | 6,027 | – | 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% |