ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 64 filers reported holding ION GEOPHYSICAL CORP in Q1 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $51,000 | -1.9% | 59,010 | 0.0% | 0.00% | – |
| Q4 2021 | $52,000 | +18.2% | 59,010 | +79.9% | 0.00% | – |
| Q3 2021 | $44,000 | -36.2% | 32,810 | 0.0% | 0.00% | – |
| Q2 2021 | $69,000 | -58.7% | 32,810 | +70.5% | 0.00% | – |
| Q4 2019 | $167,000 | +1.8% | 19,246 | +7.1% | 0.00% | – |
| Q3 2019 | $164,000 | +16.3% | 17,975 | +2.3% | 0.00% | – |
| Q2 2019 | $141,000 | -94.2% | 17,574 | -89.5% | 0.00% | – |
| Q1 2019 | $2,424,000 | +183.5% | 167,866 | +1.7% | 0.00% | – |
| Q4 2018 | $855,000 | -68.0% | 165,103 | -3.9% | 0.00% | – |
| Q3 2018 | $2,672,000 | -32.8% | 171,732 | +5.0% | 0.00% | – |
| Q2 2018 | $3,976,000 | +992.3% | 163,565 | +1119.5% | 0.00% | – |
| Q1 2018 | $364,000 | -72.1% | 13,412 | -91.7% | 0.00% | – |
| Q1 2016 | $1,304,000 | +17.3% | 161,646 | -92.7% | 0.00% | – |
| Q4 2015 | $1,112,000 | – | 2,216,380 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Gates Capital Management | 1,024,835 | $14,799,000 | 0.66% |
| Alambic Investment Management, L.P. | 21,128 | $305,000 | 0.12% |
| Spark Investment Management LLC | 110,687 | $1,598,000 | 0.07% |
| NJ State Employees Deferred Compensation Plan | 20,000 | $289,000 | 0.05% |
| ELLINGTON MANAGEMENT GROUP LLC | 11,500 | $166,000 | 0.03% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 130,216 | $1,880,000 | 0.02% |
| Jefferies Group LLC | 176,800 | $2,553,000 | 0.02% |
| Engineers Gate Manager LP | 24,551 | $355,000 | 0.02% |
| PDT Partners, LLC | 14,743 | $213,000 | 0.01% |
| ROYCE & ASSOCIATES LP | 71,880 | $1,038,000 | 0.01% |