ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 135 filers reported holding ION GEOPHYSICAL CORP in Q4 2013. The put-call ratio across all filers is 2.89 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2015 | $55,000 | -74.2% | 141,367 | -29.0% | 0.00% | -100.0% |
| Q2 2015 | $213,000 | -59.4% | 199,167 | -17.6% | 0.00% | -50.0% |
| Q1 2015 | $524,000 | -21.1% | 241,667 | +0.1% | 0.00% | 0.0% |
| Q4 2014 | $664,000 | -1.5% | 241,449 | 0.0% | 0.00% | 0.0% |
| Q3 2014 | $674,000 | -43.0% | 241,449 | -13.8% | 0.00% | -42.9% |
| Q2 2014 | $1,183,000 | +9.0% | 280,249 | +8.8% | 0.01% | 0.0% |
| Q1 2014 | $1,085,000 | +10.3% | 257,658 | -13.6% | 0.01% | +16.7% |
| Q4 2013 | $984,000 | -35.1% | 298,258 | +2.2% | 0.01% | -33.3% |
| Q3 2013 | $1,517,000 | +10.6% | 291,758 | +28.0% | 0.01% | -18.2% |
| Q2 2013 | $1,372,000 | – | 227,858 | – | 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% |