ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 118 filers reported holding ION GEOPHYSICAL CORP in Q3 2015. The put-call ratio across all filers is 0.00 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $9,000 | -18.2% | 18,120 | -33.9% | 0.00% | 0.0% |
| Q3 2015 | $11,000 | -90.4% | 27,397 | -74.6% | 0.00% | -83.3% |
| Q2 2015 | $115,000 | +21.1% | 107,867 | +212.9% | 0.01% | +20.0% |
| Q4 2014 | $95,000 | +20.3% | 34,476 | +22.4% | 0.01% | 0.0% |
| Q3 2014 | $79,000 | -2.5% | 28,157 | +46.8% | 0.01% | 0.0% |
| Q2 2014 | $81,000 | – | 19,181 | – | 0.01% | – |
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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% |