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 | ||||
|---|---|---|---|---|---|---|
| Q4 2015 | $7,000 | -50.0% | 14,248 | -60.9% | 0.00% | – |
| Q3 2015 | $14,000 | -83.5% | 36,451 | -54.3% | 0.00% | – |
| Q2 2015 | $85,000 | -90.0% | 79,749 | -79.7% | 0.00% | – |
| Q1 2015 | $854,000 | -60.3% | 393,748 | -49.6% | 0.00% | -100.0% |
| Q4 2014 | $2,150,000 | +39.4% | 781,859 | +41.5% | 0.00% | – |
| Q3 2014 | $1,542,000 | +8.8% | 552,514 | +64.6% | 0.00% | – |
| Q2 2014 | $1,417,000 | +63.4% | 335,597 | +63.1% | 0.00% | – |
| Q1 2014 | $867,000 | -66.6% | 205,795 | -73.9% | 0.00% | -100.0% |
| Q4 2013 | $2,599,000 | +44.0% | 787,279 | +126.7% | 0.00% | 0.0% |
| Q3 2013 | $1,805,000 | +247.1% | 347,211 | +301.7% | 0.00% | – |
| Q2 2013 | $520,000 | – | 86,429 | – | 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% |