COMMERZBANK AKTIENGESELLSCHAFT /FI - ION GEOPHYSICAL CORP ownership

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ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 163 filers reported holding ION GEOPHYSICAL CORP in Q1 2014. The put-call ratio across all filers is 3.28 and the average weighting 0.0%.

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Quarter-by-quarter ownership
COMMERZBANK AKTIENGESELLSCHAFT /FI ownership history of ION GEOPHYSICAL CORP
ValueSharesWeighting
Q1 2014$71,000–16,823–0.00%–
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Other shareholders

There were no reported owners of ION GEOPHYSICAL CORP in Q1 2014.

NameSharesValueWeighting ↓
View complete list of ION GEOPHYSICAL CORP shareholders