ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $1,720,000 | +25.5% | 3,418,216 | -2.8% | 0.00% | – |
| Q3 2015 | $1,371,000 | -63.2% | 3,515,253 | +0.9% | 0.00% | -100.0% |
| Q2 2015 | $3,729,000 | -54.1% | 3,484,648 | -6.9% | 0.00% | 0.0% |
| Q1 2015 | $8,119,000 | -20.5% | 3,741,327 | +0.7% | 0.00% | -50.0% |
| Q4 2014 | $10,217,000 | -1.8% | 3,715,238 | -0.4% | 0.00% | 0.0% |
| Q3 2014 | $10,408,000 | -33.6% | 3,730,474 | +0.4% | 0.00% | -33.3% |
| Q2 2014 | $15,683,000 | -5.1% | 3,716,468 | -5.3% | 0.00% | 0.0% |
| Q1 2014 | $16,524,000 | +33.6% | 3,924,959 | +4.7% | 0.00% | +50.0% |
| Q4 2013 | $12,369,000 | -48.0% | 3,748,173 | -18.0% | 0.00% | -60.0% |
| Q3 2013 | $23,778,000 | +3.6% | 4,572,772 | +20.0% | 0.01% | 0.0% |
| Q2 2013 | $22,945,000 | – | 3,811,455 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| VILLERE ST DENIS J & CO LLC | 10,309,119 | $34,020,000 | 1.32% |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. | 141,508 | $467,000 | 0.43% |
| NCM Capital Advisers, Inc. | 121,100 | $400,000 | 0.41% |
| US GLOBAL INVESTORS FUNDS | 644,781 | $2,128,000 | 0.38% |
| U S GLOBAL INVESTORS INC | 644,781 | $2,128,000 | 0.38% |
| Archer Capital Management, L.P. | 736,200 | $2,429,000 | 0.36% |
| Parametrica Management Ltd | 38,546 | $127,000 | 0.35% |
| Counsel Portfolio Services Inc. | 577,175 | $1,905,000 | 0.20% |
| TFS CAPITAL LLC | 1,046,927 | $3,455,000 | 0.16% |
| OTA Financial Group L.P. | 68,629 | $226,000 | 0.14% |