SECOR Capital Advisors, LP - ION GEOPHYSICAL CORP ownership

ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 118 filers reported holding ION GEOPHYSICAL CORP in Q3 2015. The put-call ratio across all filers is 0.00 and the average weighting 0.0%.

Quarter-by-quarter ownership
SECOR Capital Advisors, LP ownership history of ION GEOPHYSICAL CORP
ValueSharesWeighting
Q2 2015$22,000
-66.2%
20,676
-30.7%
0.01%
-68.0%
Q1 2015$65,000
-84.7%
29,816
-70.4%
0.02%
-88.0%
Q1 2014$424,000100,7450.21%
Other shareholders
ION GEOPHYSICAL CORP shareholders Q3 2015
NameSharesValueWeighting ↓
NCM Capital Advisers, Inc. 77,200$325,0000.51%
Archer Capital Management, L.P. 736,200$3,099,0000.37%
New Jersey Better Educational Savings Trust 150,000$632,0000.30%
BOGLE INVESTMENT MANAGEMENT L P /DE/ 916,950$3,860,0000.26%
Counsel Portfolio Services Inc. 577,175$2,430,0000.24%
SECOR Capital Advisors, LP 100,745$424,0000.21%
FOUNDERS FINANCIAL SECURITIES LLC 53,189$224,0000.15%
TFS CAPITAL LLC 379,203$1,596,0000.11%
GLOBEFLEX CAPITAL L P 173,460$730,0000.08%
WealthTrust Axiom LLC 53,855$226,0000.08%
View complete list of ION GEOPHYSICAL CORP shareholders