ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 37 filers reported holding ION GEOPHYSICAL CORP in Q3 2021. The put-call ratio across all filers is 0.11 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $32,000 | -5.9% | 36,390 | -5.2% | 0.00% | – |
| Q4 2021 | $34,000 | -58.5% | 38,370 | -38.1% | 0.00% | – |
| Q3 2021 | $82,000 | -36.9% | 61,970 | 0.0% | 0.00% | – |
| Q2 2021 | $130,000 | +21.5% | 61,970 | +24.0% | 0.00% | – |
| Q1 2021 | $107,000 | -11.6% | 49,970 | 0.0% | 0.00% | – |
| Q4 2020 | $121,000 | +61.3% | 49,970 | -0.4% | 0.00% | – |
| Q3 2020 | $75,000 | -35.9% | 50,180 | 0.0% | 0.00% | – |
| Q2 2020 | $117,000 | +105.3% | 50,180 | +11.1% | 0.00% | – |
| Q1 2020 | $57,000 | -85.5% | 45,180 | 0.0% | 0.00% | -100.0% |
| Q4 2019 | $392,000 | -5.1% | 45,180 | -0.1% | 0.00% | 0.0% |
| Q3 2019 | $413,000 | +7.0% | 45,246 | -5.7% | 0.00% | 0.0% |
| Q2 2019 | $386,000 | -41.2% | 47,996 | +5.5% | 0.00% | -66.7% |
| Q1 2019 | $657,000 | +209.9% | 45,496 | +11.0% | 0.00% | +200.0% |
| Q4 2018 | $212,000 | -62.1% | 40,996 | +13.9% | 0.00% | -66.7% |
| Q3 2018 | $560,000 | -36.0% | 35,996 | 0.0% | 0.00% | -25.0% |
| Q2 2018 | $875,000 | -10.3% | 35,996 | 0.0% | 0.00% | -33.3% |
| Q1 2018 | $975,000 | +208.5% | 35,996 | +125.0% | 0.01% | +200.0% |
| Q4 2017 | $316,000 | – | 15,996 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Gates Capital Management | 1,212,408 | $6,280,000 | 0.35% |
| New Jersey Better Educational Savings Trust | 22,000 | $114,000 | 0.15% |
| NJ State Employees Deferred Compensation Plan | 48,000 | $249,000 | 0.05% |
| Spark Investment Management LLC | 79,800 | $413,000 | 0.03% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 177,305 | $918,000 | 0.01% |
| Engineers Gate Manager LP | 16,334 | $85,000 | 0.01% |
| Renaissance Technologies | 1,026,523 | $5,317,000 | 0.01% |
| A.R.T. Advisors, LLC | 17,445 | $90,000 | 0.01% |
| Point72 Hong Kong Ltd | 1,893 | $10,000 | 0.01% |
| PDT Partners, LLC | 16,300 | $84,000 | 0.01% |