ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 141 filers reported holding ION GEOPHYSICAL CORP in Q3 2013. The put-call ratio across all filers is 1.87 and the average weighting 0.1%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| NCM Capital Advisers, Inc. | 77,200 | $325,000 | 0.51% |
| Archer Capital Management, L.P. | 736,200 | $3,099,000 | 0.37% |
| New Jersey Better Educational Savings Trust | 150,000 | $632,000 | 0.30% |
| BOGLE INVESTMENT MANAGEMENT L P /DE/ | 916,950 | $3,860,000 | 0.26% |
| Counsel Portfolio Services Inc. | 577,175 | $2,430,000 | 0.24% |
| SECOR Capital Advisors, LP | 100,745 | $424,000 | 0.21% |
| FOUNDERS FINANCIAL SECURITIES LLC | 53,189 | $224,000 | 0.15% |
| TFS CAPITAL LLC | 379,203 | $1,596,000 | 0.11% |
| GLOBEFLEX CAPITAL L P | 173,460 | $730,000 | 0.08% |
| WealthTrust Axiom LLC | 53,855 | $226,000 | 0.08% |