ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $303,000 | +56.2% | 601,900 | +20.8% | 0.00% | – |
| Q3 2015 | $194,000 | -67.5% | 498,400 | -10.7% | 0.00% | -100.0% |
| Q2 2015 | $597,000 | -56.4% | 558,300 | 0.0% | 0.00% | -50.0% |
| Q1 2015 | $1,368,000 | 0.0% | 558,300 | 0.0% | 0.00% | 0.0% |
| Q4 2014 | $1,368,000 | -2.7% | 558,300 | +10.8% | 0.00% | 0.0% |
| Q3 2014 | $1,406,000 | -31.1% | 504,100 | +4.2% | 0.00% | -33.3% |
| Q2 2014 | $2,042,000 | +1.2% | 483,900 | 0.0% | 0.00% | 0.0% |
| Q1 2014 | $2,017,000 | +56.2% | 483,900 | +21.1% | 0.00% | +50.0% |
| Q4 2013 | $1,291,000 | -13.7% | 399,600 | +38.9% | 0.00% | -33.3% |
| Q3 2013 | $1,496,000 | +3.0% | 287,767 | +19.3% | 0.00% | 0.0% |
| Q2 2013 | $1,452,000 | – | 241,167 | – | 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% |