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 | ||||
|---|---|---|---|---|---|---|
| Q1 2015 | $2,609,000 | +667.4% | 1,202,479 | +887.7% | 0.01% | +700.0% |
| Q3 2014 | $340,000 | -44.5% | 121,747 | -16.3% | 0.00% | -66.7% |
| Q1 2014 | $613,000 | +116.6% | 145,527 | +69.7% | 0.00% | +200.0% |
| Q4 2013 | $283,000 | -78.6% | 85,768 | -66.3% | 0.00% | -85.7% |
| Q3 2013 | $1,324,000 | +55.0% | 254,682 | +79.6% | 0.01% | +16.7% |
| Q2 2013 | $854,000 | – | 141,820 | – | 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% |