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% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Gates Capital Management | 2,672,096 | $2,330,000 | 0.07% |
| Virtu Financial LLC | 13,923 | $12,000 | 0.00% |
| Your Advocates Ltd., LLP | 1,000 | $1,000 | 0.00% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 57,400 | $50,000 | 0.00% |
| GOLDMAN SACHS GROUP INC | 23,337 | $20,000 | 0.00% |
| MORGAN STANLEY | 9,450 | $8,000 | 0.00% |
| NATIONAL BANK OF CANADA /FI/ | 1,380 | $1,000 | 0.00% |
| WOLVERINE TRADING, LLC | 25,100 | $24,000 | 0.00% |
| BlackRock Inc. | 203,401 | $178,000 | 0.00% |
| Bank of New York Mellon Corp | 91,992 | $80,000 | 0.00% |