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 | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $77,000 | +16.7% | 33,113 | -36.6% | 0.00% | – |
| Q1 2020 | $66,000 | -83.7% | 52,213 | +12.0% | 0.00% | -100.0% |
| Q4 2019 | $405,000 | -14.6% | 46,613 | -10.4% | 0.00% | 0.0% |
| Q3 2019 | $474,000 | +16.5% | 52,026 | +3.0% | 0.00% | 0.0% |
| Q2 2019 | $407,000 | -44.2% | 50,526 | 0.0% | 0.00% | -50.0% |
| Q1 2019 | $730,000 | +178.6% | 50,526 | 0.0% | 0.00% | +100.0% |
| Q4 2018 | $262,000 | -72.8% | 50,526 | -18.5% | 0.00% | -50.0% |
| Q3 2018 | $964,000 | -30.1% | 62,012 | +9.2% | 0.00% | -50.0% |
| Q2 2018 | $1,380,000 | +166.9% | 56,791 | +197.7% | 0.00% | +300.0% |
| Q1 2018 | $517,000 | – | 19,078 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TEGEAN CAPITAL MANAGEMENT, LLC | 2,500 | $233,000 | 0.17% |
| Gates Capital Management | 644,460 | $4,015,000 | 0.14% |
| Archer Capital Management, L.P. | 47,500 | $296,000 | 0.06% |
| Spark Investment Management LLC | 73,200 | $456,000 | 0.04% |
| OSTERWEIS CAPITAL MANAGEMENT INC | 104,000 | $648,000 | 0.04% |
| Counsel Portfolio Services Inc. | 52,735 | $329,000 | 0.03% |
| TFS CAPITAL LLC | 26,448 | $165,000 | 0.03% |
| OXFORD ASSET MANAGEMENT LLP | 112,733 | $702,000 | 0.02% |
| IMPAX ASSET MANAGEMENT LLC | 50,000 | $312,000 | 0.02% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 109,150 | $680,000 | 0.01% |