Mraz, Amerine & Associates, Inc. - ION GEOPHYSICAL CORP ownership

ION GEOPHYSICAL CORP's ticker is IO and the CUSIP is 462044108. A total of 83 filers reported holding ION GEOPHYSICAL CORP in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
Mraz, Amerine & Associates, Inc. ownership history of ION GEOPHYSICAL CORP
ValueSharesWeighting
Q3 2015$5,000
-61.5%
11,9000.0%0.00%
-60.0%
Q2 2015$13,000
-50.0%
11,9000.0%0.01%
-50.0%
Q1 2015$26,000
-21.2%
11,9000.0%0.01%
-16.7%
Q4 2014$33,0000.0%11,9000.0%0.01%
-7.7%
Q3 2014$33,000
-34.0%
11,9000.0%0.01%
-31.6%
Q2 2014$50,0000.0%11,9000.0%0.02%
-9.5%
Q1 2014$50,000
+28.2%
11,9000.0%0.02%
+23.5%
Q4 2013$39,000
-40.9%
11,900
-6.3%
0.02%
-46.9%
Q3 2013$66,000
-13.2%
12,7000.0%0.03%
-17.9%
Q2 2013$76,00012,7000.04%
Other shareholders
ION GEOPHYSICAL CORP shareholders Q4 2015
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