ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 54 filers reported holding ION GEOPHYSICAL CORP in Q3 2019. The put-call ratio across all filers is 0.45 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2019 | $13,000 | -43.5% | 1,586 | 0.0% | 0.00% | – |
| Q1 2019 | $23,000 | +187.5% | 1,586 | 0.0% | 0.00% | – |
| Q4 2018 | $8,000 | -68.0% | 1,586 | 0.0% | 0.00% | – |
| Q3 2018 | $25,000 | -35.9% | 1,586 | 0.0% | 0.00% | – |
| Q2 2018 | $39,000 | +290.0% | 1,586 | +29.0% | 0.00% | – |
| Q1 2016 | $10,000 | – | 1,229 | – | 0.00% | – |
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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% |