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 | $2,330,000 | -0.9% | 2,672,096 | 0.0% | 0.07% | +9.2% |
| Q4 2021 | $2,351,000 | -40.2% | 2,672,096 | -9.5% | 0.06% | -39.8% |
| Q3 2021 | $3,929,000 | -60.1% | 2,953,850 | -37.3% | 0.11% | -62.0% |
| Q2 2021 | $9,851,000 | +2485.6% | 4,713,354 | +1470.0% | 0.28% | +1036.0% |
| Q1 2020 | $381,000 | -91.0% | 300,219 | -38.5% | 0.02% | -86.6% |
| Q4 2019 | $4,240,000 | -13.9% | 488,463 | -9.5% | 0.19% | -12.7% |
| Q3 2019 | $4,923,000 | -6.4% | 539,855 | -17.4% | 0.21% | -3.6% |
| Q2 2019 | $5,262,000 | -64.4% | 653,706 | -36.2% | 0.22% | -66.5% |
| Q1 2019 | $14,799,000 | +135.7% | 1,024,835 | -15.5% | 0.66% | +90.8% |
| Q4 2018 | $6,280,000 | -69.0% | 1,212,408 | -6.9% | 0.35% | -32.7% |
| Q3 2018 | $20,240,000 | -28.7% | 1,301,604 | +11.3% | 0.51% | -35.8% |
| Q2 2018 | $28,406,000 | +21.6% | 1,168,987 | +35.6% | 0.80% | +51.2% |
| Q1 2018 | $23,356,000 | +130.9% | 861,844 | +68.3% | 0.53% | +117.7% |
| Q4 2017 | $10,115,000 | +41.5% | 512,156 | -31.9% | 0.24% | +20.3% |
| Q3 2017 | $7,148,000 | +181.9% | 751,618 | +28.9% | 0.20% | +137.6% |
| Q2 2017 | $2,536,000 | -10.3% | 582,946 | 0.0% | 0.08% | -17.5% |
| Q1 2017 | $2,827,000 | +38.0% | 582,946 | +70.8% | 0.10% | +32.1% |
| Q4 2016 | $2,048,000 | -53.6% | 341,379 | -47.0% | 0.08% | -50.9% |
| Q3 2016 | $4,415,000 | +10.0% | 644,460 | 0.0% | 0.16% | +16.9% |
| Q2 2016 | $4,015,000 | +1887.6% | 644,460 | +2477.8% | 0.14% | +1600.0% |
| Q1 2016 | $202,000 | – | 25,000 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Alambic Investment Management, L.P. | 166,613 | $4,515,000 | 0.63% |
| Hood River Capital Management LLC | 374,858 | $10,159,000 | 0.57% |
| Gates Capital Management | 861,844 | $23,356,000 | 0.53% |
| Spark Investment Management LLC | 130,800 | $3,544,000 | 0.23% |
| OBERWEIS ASSET MANAGEMENT INC/ | 30,225 | $819,000 | 0.22% |
| CORNERCAP INVESTMENT COUNSEL INC | 29,260 | $793,000 | 0.11% |
| Tibra Equities Europe Ltd | 23,142 | $627,000 | 0.11% |
| EAM Investors, LLC | 21,609 | $586,000 | 0.10% |
| OXFORD ASSET MANAGEMENT LLP | 128,766 | $3,490,000 | 0.07% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 217,805 | $5,903,000 | 0.06% |