ION GEOPHYSICAL CORP's ticker is and the CUSIP is 46204410. A total of 1 filers reported holding ION GEOPHYSICAL CORP in Q1 2014. The put-call ratio across all filers is - and the average weighting 0.0%.
Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
State of New Jersey Common Pension Fund A | 275,000 | $908,000 | 0.00% |
NORTHERN TRUST CO OF CONNECTICUT | 31,896 | $105,000 | 0.00% |