ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 136 filers reported holding ION GEOPHYSICAL CORP in Q1 2015. The put-call ratio across all filers is 17.33 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2015 | $107,000 | -50.7% | 99,900 | 0.0% | 0.00% | 0.0% |
| Q1 2015 | $217,000 | -21.1% | 99,900 | 0.0% | 0.00% | 0.0% |
| Q4 2014 | $275,000 | -11.0% | 99,900 | -9.7% | 0.00% | -50.0% |
| Q3 2014 | $309,000 | -33.8% | 110,600 | 0.0% | 0.00% | -33.3% |
| Q2 2014 | $467,000 | +0.2% | 110,600 | 0.0% | 0.00% | 0.0% |
| Q1 2014 | $466,000 | +10.7% | 110,600 | -13.3% | 0.00% | +50.0% |
| Q4 2013 | $421,000 | -36.6% | 127,600 | 0.0% | 0.00% | -50.0% |
| Q3 2013 | $664,000 | – | 127,600 | – | 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% |