IO

ION Geophysical Corporation

Delisted

IO was delisted on the 18th of May, 2022.

161 hedge funds and large institutions have $434M invested in ION Geophysical Corporation in 2014 Q1 according to their latest regulatory filings, with 43 funds opening new positions, 57 increasing their positions, 38 reducing their positions, and 17 closing their positions.

Holders
161
Holders Change
+24
Holders Change %
+17.52%
% of All Funds
4.65%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
43
Increased
57
Reduced
38
Closed
17
Calls
$1.81M
Puts
$6.22M
Net Calls
-$4.41M
Net Calls Change
-$1.34M
Name Market Value Shares Shares
Change
Shares
Change %
SKK
101
Shepherd Kaplan Krochuk
Massachusetts
$159K 2,520 +53 +2%
NCCM
102
Nine Chapters Capital Management
New Jersey
$155K 2,453 +2,453 New
BJ
103
BlackRock Japan
Japan
$154K 2,435 +230 +10%
Two Sigma Advisers
104
Two Sigma Advisers
New York
$146K 2,313 +1,240 +116%
DP
105
Dearborn Partners
Illinois
$136K 2,153 +2,153 New
PI
106
PineBridge Investments
New York
$135K 2,145 -4 -0.2%
PA
107
Profund Advisors
Maryland
$134K 2,116 -1,890 -47%
IMS
108
Index Management Solutions
Pennsylvania
$127K 2,009 +2,009 New
Group One Trading
109
Group One Trading
Illinois
$126K 1,999 +1,393 +230%
MERSOM
110
Municipal Employees' Retirement System of Michigan
Michigan
$125K 1,980 +1,980 New
Cambridge Investment Research Advisors
111
Cambridge Investment Research Advisors
Iowa
$123K 1,951 +1,132 +138%
CL
112
CSS LLC
Illinois
$120K 1,893 +1,893 New
SCM
113
Stevens Capital Management
Pennsylvania
$120K 1,896 +1,896 New
TCOT
114
Trust Company of Toledo
Ohio
$106K 1,678 +78 +5%
Bank of Montreal
115
Bank of Montreal
Ontario, Canada
$104K 1,648 -1,313 -44%
DTL
116
Dynamic Technology Lab
Singapore
$103K 1,636 -1,375 -46%
Tudor Investment Corp
117
Tudor Investment Corp
Connecticut
$93K 1,467 -12,030 -89%
PAM
118
Princeton Alpha Management
New Jersey
$92K 1,455 +272 +23%
MNA
119
Manning & Napier Advisors
New York
$85K 1,351 -37,366 -97%
U
120
UBS
Switzerland
$85K 1,346 -469 -26%
Ohio Public Employees Retirement System (OPERS)
121
Ohio Public Employees Retirement System (OPERS)
Ohio
$81K 1,281 -46 -3%
CA
122
Commerzbank Aktiengesellschaft
Germany
$71K 1,122 +1,122 New
MSA
123
Mason Street Advisors
Wisconsin
$66K 1,040 -259 -20%
SG Americas Securities
124
SG Americas Securities
New York
$62K 977 +977 New
MC
125
Menta Capital
California
$57K 900 +900 New