UBS Group AG - ION GEOPHYSICAL CORP ownership

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ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 141 filers reported holding ION GEOPHYSICAL CORP in Q4 2014. The put-call ratio across all filers is 35.97 and the average weighting 0.0%.

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Quarter-by-quarter ownership
UBS Group AG ownership history of ION GEOPHYSICAL CORP
ValueSharesWeighting
Q4 2015$55,000
+292.9%
107,859
+208.2%
0.00%–
Q3 2015$14,000
-56.2%
35,000
+16.7%
0.00%–
Q2 2015$32,000
-25.6%
30,000
+51.4%
0.00%–
Q1 2015$43,000
-20.4%
19,8130.0%0.00%–
Q4 2014$54,000–19,813–0.00%–
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Other shareholders

There were no reported owners of ION GEOPHYSICAL CORP in Q4 2014.

NameSharesValueWeighting ↓
View complete list of ION GEOPHYSICAL CORP shareholders