ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044207. A total of 74 filers reported holding ION GEOPHYSICAL CORP in Q1 2019. The put-call ratio across all filers is 0.03 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2018 | $13,000 | +333.3% | 2,455 | +1378.9% | 0.00% | – |
| Q3 2018 | $3,000 | -25.0% | 166 | -1.2% | 0.00% | – |
| Q2 2018 | $4,000 | 0.0% | 168 | +18.3% | 0.00% | – |
| Q1 2018 | $4,000 | +100.0% | 142 | -45.0% | 0.00% | – |
| Q3 2017 | $2,000 | 0.0% | 258 | -39.6% | 0.00% | – |
| Q2 2017 | $2,000 | 0.0% | 427 | 0.0% | 0.00% | – |
| Q1 2017 | $2,000 | -50.0% | 427 | -41.4% | 0.00% | – |
| Q4 2016 | $4,000 | +300.0% | 729 | +296.2% | 0.00% | – |
| Q2 2016 | $1,000 | 0.0% | 184 | +23.5% | 0.00% | – |
| Q1 2016 | $1,000 | – | 149 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Arlington Capital Management, Inc. | 132,080 | $176,000 | 0.33% |
| Gates Capital Management | 2,953,850 | $3,929,000 | 0.11% |
| Virtu Financial LLC | 44,041 | $59,000 | 0.01% |
| Belvedere Trading LLC | 93,800 | $204,000 | 0.01% |
| SeaCrest Wealth Management, LLC | 25,000 | $33,000 | 0.00% |
| DUPONT CAPITAL MANAGEMENT CORP | 71,034 | $94,000 | 0.00% |
| Cetera Advisors LLC | 42,940 | $57,000 | 0.00% |
| Your Advocates Ltd., LLP | 1,000 | $1,000 | 0.00% |
| MEEDER ASSET MANAGEMENT INC | 2,321 | $3,000 | 0.00% |
| HARBOUR INVESTMENTS, INC. | 33 | $0 | 0.00% |