TEACHERS ADVISORS, LLC - ION GEOPHYSICAL CORP ownership

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%.

Quarter-by-quarter ownership
TEACHERS ADVISORS, LLC ownership history of ION GEOPHYSICAL CORP
ValueSharesWeighting
Q4 2015$104,000
-7.1%
207,426
-27.9%
0.00%
Q3 2015$112,000
-63.6%
287,7830.0%0.00%
-100.0%
Q2 2015$308,000
-47.6%
287,783
+6.2%
0.00%0.0%
Q1 2015$588,000
-19.1%
271,079
+2.6%
0.00%0.0%
Q4 2014$727,000
-1.4%
264,1980.0%0.00%0.0%
Q3 2014$737,000
-29.3%
264,198
+7.0%
0.00%
-50.0%
Q2 2014$1,042,000
-13.6%
246,870
-13.8%
0.00%
-33.3%
Q1 2014$1,206,000
+78.7%
286,447
+40.0%
0.00%
+50.0%
Q4 2013$675,000
-33.4%
204,593
+5.1%
0.00%
-33.3%
Q3 2013$1,013,000
-11.8%
194,747
+2.1%
0.00%0.0%
Q2 2013$1,148,000190,7420.00%
Other shareholders
ION GEOPHYSICAL CORP shareholders Q4 2014
NameSharesValueWeighting ↓
VILLERE ST DENIS J & CO LLC 13,745,184$71,475,0003.35%
Parametrica Management Ltd 23,896$124,0001.55%
PACIFIC GLOBAL INVESTMENT MANAGEMENT CO 272,275$1,416,0000.28%
Cortina Asset Management, LLC 1,224,368$6,367,0000.25%
WISCONSIN CAPITAL MANAGEMENT LLC 95,000$494,0000.21%
WealthTrust Axiom LLC 97,410$506,0000.21%
Quotient Investors, LLC 143,800$748,0000.20%
SNOW CAPITAL MANAGEMENT LP 664,175$3,454,0000.15%
Highlander Capital Management, LLC 26,500$137,800,0000.14%
NCM Capital Advisers, Inc. 22,900$119,0000.13%
View complete list of ION GEOPHYSICAL CORP shareholders