PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO - ION GEOPHYSICAL CORP ownership

ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 124 filers reported holding ION GEOPHYSICAL CORP in Q2 2015. The put-call ratio across all filers is 0.46 and the average weighting 0.0%.

Quarter-by-quarter ownership
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO ownership history of ION GEOPHYSICAL CORP
ValueSharesWeighting
Q1 2015$95,000
-20.8%
43,8000.0%0.00%0.0%
Q4 2014$120,000
-1.6%
43,8000.0%0.00%0.0%
Q3 2014$122,000
-34.1%
43,8000.0%0.00%
-50.0%
Q2 2014$185,000
+0.5%
43,8000.0%0.00%0.0%
Q1 2014$184,000
+26.9%
43,8000.0%0.00%
+100.0%
Q4 2013$145,000
-36.4%
43,8000.0%0.00%
-50.0%
Q3 2013$228,000
-13.6%
43,8000.0%0.00%0.0%
Q2 2013$264,00043,8000.00%
Other shareholders
ION GEOPHYSICAL CORP shareholders Q2 2015
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