GLOBEFLEX CAPITAL L P - ION GEOPHYSICAL CORP ownership

ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 150 filers reported holding ION GEOPHYSICAL CORP in Q3 2014. The put-call ratio across all filers is 2.70 and the average weighting 0.0%.

Quarter-by-quarter ownership
GLOBEFLEX CAPITAL L P ownership history of ION GEOPHYSICAL CORP
ValueSharesWeighting
Q3 2014$1,000
-99.9%
478
-99.7%
0.00%
-100.0%
Q2 2014$731,000
+0.1%
173,295
-0.1%
0.08%
-3.6%
Q1 2014$730,000173,4600.08%
Other shareholders
ION GEOPHYSICAL CORP shareholders Q3 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