ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 54 filers reported holding ION GEOPHYSICAL CORP in Q3 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2017 | $292,000 | +119.5% | 30,666 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $133,000 | -10.7% | 30,666 | 0.0% | 0.00% | 0.0% |
| Q1 2017 | $149,000 | -19.0% | 30,666 | 0.0% | 0.00% | 0.0% |
| Q4 2016 | $184,000 | -12.4% | 30,666 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $210,000 | +62.8% | 30,666 | +48.4% | 0.00% | 0.0% |
| Q2 2016 | $129,000 | -22.8% | 20,666 | -0.0% | 0.00% | 0.0% |
| Q1 2016 | $167,000 | – | 20,667 | – | 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% |