ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 61 filers reported holding ION GEOPHYSICAL CORP in Q2 2019. The put-call ratio across all filers is 0.13 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $763,000 | +13.2% | 87,940 | +19.0% | 0.64% | +26.0% |
| Q3 2019 | $674,000 | +36.4% | 73,913 | +20.4% | 0.51% | +66.2% |
| Q2 2019 | $494,000 | +62.0% | 61,405 | +190.6% | 0.30% | +144.0% |
| Q1 2019 | $305,000 | -77.4% | 21,128 | -62.0% | 0.12% | -66.2% |
| Q2 2018 | $1,350,000 | -70.1% | 55,565 | -66.7% | 0.37% | -41.2% |
| Q1 2018 | $4,515,000 | +625.9% | 166,613 | +428.9% | 0.63% | +738.7% |
| Q4 2017 | $622,000 | +828.4% | 31,500 | +126.6% | 0.08% | +837.5% |
| Q1 2017 | $67,000 | – | 13,900 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Alambic Investment Management, L.P. | 73,913 | $674,000 | 0.51% |
| Gates Capital Management | 539,855 | $4,923,000 | 0.21% |
| Spark Investment Management LLC | 100,000 | $912,000 | 0.12% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 130,216 | $1,188,000 | 0.02% |
| Squarepoint Ops LLC | 98,634 | $900,000 | 0.01% |
| Quantamental Technologies LLC | 2,371 | $22,000 | 0.01% |
| Renaissance Technologies | 901,519 | $8,222,000 | 0.01% |
| ROYCE & ASSOCIATES LP | 71,880 | $656,000 | 0.01% |
| Neuberger Berman Group LLC | 480,187 | $4,377,000 | 0.01% |
| ACADIAN ASSET MANAGEMENT LLC | 106,808 | $974,000 | 0.00% |