ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 37 filers reported holding ION GEOPHYSICAL CORP in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2021 | $3,000 | -40.0% | 2,321 | 0.0% | 0.00% | – |
Q2 2021 | $5,000 | 0.0% | 2,321 | 0.0% | 0.00% | – |
Q1 2021 | $5,000 | +66.7% | 2,321 | 0.0% | 0.00% | – |
Q3 2020 | $3,000 | -40.0% | 2,321 | 0.0% | 0.00% | – |
Q2 2020 | $5,000 | +66.7% | 2,321 | 0.0% | 0.00% | – |
Q1 2020 | $3,000 | -66.7% | 2,321 | +118.8% | 0.00% | -100.0% |
Q4 2019 | $9,000 | +50.0% | 1,061 | +50.5% | 0.00% | – |
Q3 2019 | $6,000 | +50.0% | 705 | +38.8% | 0.00% | – |
Q2 2019 | $4,000 | -33.3% | 508 | +30.9% | 0.00% | – |
Q1 2019 | $6,000 | – | 388 | – | 0.00% | – |
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% |