ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $6,000 | +20.0% | 16,153 | +216.7% | 0.00% | – |
| Q2 2015 | $5,000 | -44.4% | 5,100 | +28.1% | 0.00% | – |
| Q1 2015 | $9,000 | -18.2% | 3,981 | +0.1% | 0.00% | – |
| Q4 2014 | $11,000 | -21.4% | 3,976 | -18.1% | 0.00% | – |
| Q3 2014 | $14,000 | -30.0% | 4,855 | 0.0% | 0.00% | – |
| Q2 2014 | $20,000 | 0.0% | 4,855 | 0.0% | 0.00% | – |
| Q1 2014 | $20,000 | +25.0% | 4,855 | +3.4% | 0.00% | – |
| Q4 2013 | $16,000 | -80.2% | 4,697 | -69.8% | 0.00% | -100.0% |
| Q3 2013 | $81,000 | +58.8% | 15,551 | +82.5% | 0.00% | – |
| Q2 2013 | $51,000 | – | 8,520 | – | 0.00% | – |
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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% |