ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 83 filers reported holding ION GEOPHYSICAL CORP in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $134,000 | -38.0% | 342,867 | +70.0% | 0.01% | -30.8% |
| Q2 2015 | $216,000 | -22.9% | 201,696 | +56.3% | 0.01% | -23.5% |
| Q1 2015 | $280,000 | -13.3% | 129,047 | +10.0% | 0.02% | -19.0% |
| Q4 2014 | $323,000 | +39.8% | 117,341 | +41.6% | 0.02% | +31.2% |
| Q3 2014 | $231,000 | -11.2% | 82,863 | +34.7% | 0.02% | -15.8% |
| Q2 2014 | $260,000 | +10.2% | 61,529 | +9.9% | 0.02% | +5.6% |
| Q1 2014 | $236,000 | +12.9% | 55,966 | -11.5% | 0.02% | +5.9% |
| Q4 2013 | $209,000 | +17.4% | 63,244 | +84.5% | 0.02% | 0.0% |
| Q3 2013 | $178,000 | +23.6% | 34,279 | +43.7% | 0.02% | +13.3% |
| Q2 2013 | $144,000 | +14.3% | 23,852 | +29.2% | 0.02% | +7.1% |
| Q1 2013 | $126,000 | +43.2% | 18,466 | +31.4% | 0.01% | +16.7% |
| Q2 2012 | $88,000 | -23.5% | 14,057 | -20.4% | 0.01% | -14.3% |
| Q1 2012 | $115,000 | +35.3% | 17,650 | +28.5% | 0.01% | +27.3% |
| Q4 2011 | $85,000 | +26.9% | 13,736 | +5.5% | 0.01% | +10.0% |
| Q3 2011 | $67,000 | – | 13,017 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| NCM Capital Advisers, Inc. | 77,200 | $325,000 | 0.51% |
| Archer Capital Management, L.P. | 736,200 | $3,099,000 | 0.37% |
| New Jersey Better Educational Savings Trust | 150,000 | $632,000 | 0.30% |
| BOGLE INVESTMENT MANAGEMENT L P /DE/ | 916,950 | $3,860,000 | 0.26% |
| Counsel Portfolio Services Inc. | 577,175 | $2,430,000 | 0.24% |
| SECOR Capital Advisors, LP | 100,745 | $424,000 | 0.21% |
| FOUNDERS FINANCIAL SECURITIES LLC | 53,189 | $224,000 | 0.15% |
| TFS CAPITAL LLC | 379,203 | $1,596,000 | 0.11% |
| GLOBEFLEX CAPITAL L P | 173,460 | $730,000 | 0.08% |
| WealthTrust Axiom LLC | 53,855 | $226,000 | 0.08% |