PEAK6 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 147 filers reported holding ION GEOPHYSICAL CORP in Q2 2014. The put-call ratio across all filers is 2.99 and the average weighting 0.0%.

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Quarter-by-quarter ownership
PEAK6 Group LLC ownership history of ION GEOPHYSICAL CORP
ValueSharesWeighting
Q1 2014$94,000
-78.2%
22,287
-83.0%
0.00%
-100.0%
Q4 2013$432,000
-52.9%
130,987
-25.8%
0.00%
+50.0%
Q3 2013$918,000–176,428–0.00%–
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Other shareholders

There were no reported owners of ION GEOPHYSICAL CORP in Q2 2014.

NameSharesValueWeighting ↓
View complete list of ION GEOPHYSICAL CORP shareholders