ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 1 filers reported holding ION GEOPHYSICAL CORP in Q1 2016. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $104,000 | +20.9% | 207,244 | -5.8% | 0.00% | – |
| Q3 2015 | $86,000 | -61.8% | 220,074 | +4.5% | 0.00% | -100.0% |
| Q2 2015 | $225,000 | -49.6% | 210,606 | +2.4% | 0.00% | 0.0% |
| Q1 2015 | $446,000 | -16.6% | 205,631 | +5.8% | 0.00% | -50.0% |
| Q4 2014 | $535,000 | +3.9% | 194,431 | +5.4% | 0.00% | 0.0% |
| Q3 2014 | $515,000 | -33.8% | 184,431 | 0.0% | 0.00% | 0.0% |
| Q2 2014 | $778,000 | -2.0% | 184,431 | -2.2% | 0.00% | 0.0% |
| Q1 2014 | $794,000 | +21.0% | 188,549 | -5.1% | 0.00% | 0.0% |
| Q4 2013 | $656,000 | -41.5% | 198,739 | -7.9% | 0.00% | -33.3% |
| Q3 2013 | $1,122,000 | -14.5% | 215,689 | -1.1% | 0.00% | -25.0% |
| Q2 2013 | $1,313,000 | – | 218,144 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| VILLERE ST DENIS J & CO LLC | 13,745,184 | $71,475,000 | 3.35% |
| Parametrica Management Ltd | 23,896 | $124,000 | 1.55% |
| PACIFIC GLOBAL INVESTMENT MANAGEMENT CO | 272,275 | $1,416,000 | 0.28% |
| Cortina Asset Management, LLC | 1,224,368 | $6,367,000 | 0.25% |
| WISCONSIN CAPITAL MANAGEMENT LLC | 95,000 | $494,000 | 0.21% |
| WealthTrust Axiom LLC | 97,410 | $506,000 | 0.21% |
| Quotient Investors, LLC | 143,800 | $748,000 | 0.20% |
| SNOW CAPITAL MANAGEMENT LP | 664,175 | $3,454,000 | 0.15% |
| Highlander Capital Management, LLC | 26,500 | $137,800,000 | 0.14% |
| NCM Capital Advisers, Inc. | 22,900 | $119,000 | 0.13% |