ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 51 filers reported holding ION GEOPHYSICAL CORP in Q1 2017. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $57,000 | -39.4% | 64,534 | -9.2% | 0.00% | -33.3% |
| Q3 2021 | $94,000 | -30.4% | 71,034 | +10.1% | 0.00% | 0.0% |
| Q2 2021 | $135,000 | +864.3% | 64,534 | +887.8% | 0.00% | – |
| Q1 2021 | $14,000 | -12.5% | 6,533 | -2.2% | 0.00% | – |
| Q4 2020 | $16,000 | +60.0% | 6,683 | 0.0% | 0.00% | – |
| Q3 2020 | $10,000 | -37.5% | 6,683 | 0.0% | 0.00% | – |
| Q2 2020 | $16,000 | +100.0% | 6,683 | 0.0% | 0.00% | – |
| Q1 2020 | $8,000 | -86.2% | 6,683 | 0.0% | 0.00% | -100.0% |
| Q4 2019 | $58,000 | -4.9% | 6,683 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $61,000 | +13.0% | 6,683 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $54,000 | -44.3% | 6,683 | 0.0% | 0.00% | -50.0% |
| Q1 2019 | $97,000 | +177.1% | 6,683 | 0.0% | 0.00% | +100.0% |
| Q4 2018 | $35,000 | -66.3% | 6,683 | 0.0% | 0.00% | -50.0% |
| Q3 2018 | $104,000 | -35.8% | 6,683 | 0.0% | 0.00% | -50.0% |
| Q2 2018 | $162,000 | -10.5% | 6,683 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $181,000 | -35.8% | 6,683 | -53.2% | 0.00% | -33.3% |
| Q4 2017 | $282,000 | +107.4% | 14,266 | 0.0% | 0.01% | +100.0% |
| Q3 2017 | $136,000 | +119.4% | 14,266 | 0.0% | 0.00% | +200.0% |
| Q2 2017 | $62,000 | -10.1% | 14,266 | 0.0% | 0.00% | -50.0% |
| Q1 2017 | $69,000 | -62.1% | 14,266 | -53.1% | 0.00% | -50.0% |
| Q4 2016 | $182,000 | -12.5% | 30,400 | 0.0% | 0.00% | -20.0% |
| Q3 2016 | $208,000 | +10.1% | 30,400 | 0.0% | 0.01% | +25.0% |
| Q2 2016 | $189,000 | – | 30,400 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Gates Capital Management | 582,946 | $2,827,000 | 0.10% |
| ALGERT GLOBAL LLC | 42,959 | $208,000 | 0.06% |
| Spark Investment Management LLC | 64,678 | $313,000 | 0.02% |
| IMPAX ASSET MANAGEMENT LLC | 50,000 | $243,000 | 0.01% |
| A.R.T. Advisors, LLC | 41,680 | $202,000 | 0.01% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 155,724 | $755,000 | 0.01% |
| Alambic Investment Management, L.P. | 13,900 | $67,000 | 0.01% |
| OXFORD ASSET MANAGEMENT LLP | 49,379 | $239,000 | 0.01% |
| Connor, Clark & Lunn Investment Management Ltd. | 83,021 | $403,000 | 0.00% |
| ROYCE & ASSOCIATES LP | 71,880 | $349,000 | 0.00% |