SG Americas Securities, LLC - ION GEOPHYSICAL CORP ownership

ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 135 filers reported holding ION GEOPHYSICAL CORP in Q4 2013. The put-call ratio across all filers is 2.89 and the average weighting 0.0%.

Quarter-by-quarter ownership
SG Americas Securities, LLC ownership history of ION GEOPHYSICAL CORP
ValueSharesWeighting
Q3 2015$90,000
-8.2%
229,977
+149.9%
0.00%0.0%
Q2 2015$98,000
+75.0%
92,046
+253.9%
0.00%
Q1 2015$56,000
-22.2%
26,011
-0.8%
0.00%
Q4 2014$72,000
-34.5%
26,213
-33.6%
0.00%
-100.0%
Q3 2014$110,000
+77.4%
39,467
+169.2%
0.00%
Q1 2014$62,000
-50.0%
14,662
-38.6%
0.00%
-100.0%
Q3 2013$124,00023,8630.00%
Other shareholders
ION GEOPHYSICAL CORP shareholders Q4 2013
NameSharesValueWeighting ↓
VILLERE ST DENIS J & CO LLC 10,309,119$34,020,0001.32%
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. 141,508$467,0000.43%
NCM Capital Advisers, Inc. 121,100$400,0000.41%
US GLOBAL INVESTORS FUNDS 644,781$2,128,0000.38%
U S GLOBAL INVESTORS INC 644,781$2,128,0000.38%
Archer Capital Management, L.P. 736,200$2,429,0000.36%
Parametrica Management Ltd 38,546$127,0000.35%
Counsel Portfolio Services Inc. 577,175$1,905,0000.20%
TFS CAPITAL LLC 1,046,927$3,455,0000.16%
OTA Financial Group L.P. 68,629$226,0000.14%
View complete list of ION GEOPHYSICAL CORP shareholders