ELLINGTON MANAGEMENT GROUP LLC - ION GEOPHYSICAL CORP ownership

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ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 150 filers reported holding ION GEOPHYSICAL CORP in Q3 2014. The put-call ratio across all filers is 2.70 and the average weighting 0.0%.

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Quarter-by-quarter ownership
ELLINGTON MANAGEMENT GROUP LLC ownership history of ION GEOPHYSICAL CORP
ValueSharesWeighting
Q2 2014$202,000
-20.8%
47,900
+13.2%
0.09%
+91.8%
Q2 2013$255,000–42,300–0.05%–
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Other shareholders

There were no reported owners of ION GEOPHYSICAL CORP in Q3 2014.

NameSharesValueWeighting ↓
View complete list of ION GEOPHYSICAL CORP shareholders