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 | ||||
|---|---|---|---|---|---|---|
| Q1 2020 | $31,000 | -95.3% | 25,160 | -66.6% | 0.02% | -79.2% |
| Q4 2019 | $654,000 | -28.3% | 75,419 | -24.6% | 0.08% | -34.2% |
| Q3 2019 | $912,000 | -0.4% | 100,000 | -12.2% | 0.12% | +85.7% |
| Q2 2019 | $916,000 | -42.7% | 113,900 | +2.9% | 0.06% | -14.9% |
| Q1 2019 | $1,598,000 | +286.9% | 110,687 | +38.7% | 0.07% | +164.3% |
| Q4 2018 | $413,000 | -59.0% | 79,800 | +23.1% | 0.03% | -51.7% |
| Q3 2018 | $1,007,000 | -68.3% | 64,800 | -50.5% | 0.06% | -68.8% |
| Q2 2018 | $3,178,000 | -10.3% | 130,800 | 0.0% | 0.19% | -17.7% |
| Q1 2018 | $3,544,000 | +198.8% | 130,800 | +117.6% | 0.23% | +253.1% |
| Q4 2017 | $1,186,000 | +152.9% | 60,100 | +21.7% | 0.06% | +156.0% |
| Q3 2017 | $469,000 | +122.3% | 49,400 | +1.6% | 0.02% | +92.3% |
| Q2 2017 | $211,000 | -32.6% | 48,600 | -24.9% | 0.01% | -35.0% |
| Q1 2017 | $313,000 | -53.0% | 64,678 | -41.7% | 0.02% | -63.6% |
| Q4 2016 | $666,000 | +44.5% | 111,000 | +64.9% | 0.06% | +48.6% |
| Q3 2016 | $461,000 | +1.1% | 67,300 | -8.1% | 0.04% | -14.0% |
| Q2 2016 | $456,000 | +14.0% | 73,200 | +47.6% | 0.04% | +7.5% |
| Q1 2016 | $400,000 | – | 49,600 | – | 0.04% | – |
Download | ||||||
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% |