IO

ION Geophysical Corporation

Delisted

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

137 hedge funds and large institutions have $369M invested in ION Geophysical Corporation in 2013 Q4 according to their latest regulatory filings, with 16 funds opening new positions, 50 increasing their positions, 48 reducing their positions, and 21 closing their positions.

Holders
137
Holders Change
-5
Holders Change %
-3.52%
% of All Funds
3.98%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
16
Increased
50
Reduced
48
Closed
21
Calls
$1.46M
Puts
$4.53M
Net Calls
-$3.07M
Net Calls Change
-$2.18M
Name Market Value Shares Shares
Change
Shares
Change %
PG
76
PEAK6 Group
Illinois
$232K 4,686 +2,591 +124%
VKH
77
Virtu KCG Holdings
New York
$227K 4,587 +86 +2%
Barclays
78
Barclays
United Kingdom
$211K 4,678 -1,980 -30%
OA
79
OFI Advisors
Pennsylvania
$209K 4,216 +1,931 +85%
PA
80
Profund Advisors
Maryland
$198K 4,006 +171 +4%
CAM
81
Capstone Asset Management
Texas
$196K 3,954 -300 -7%
LSERS
82
Louisiana State Employees Retirement System
Louisiana
$187K 3,773 +3,773 New
TRSOTSOK
83
Teachers Retirement System of the State of Kentucky
Kentucky
$182K 3,687
GC
84
Guggenheim Capital
Illinois
$176K 3,564 +1,405 +65%
DTL
85
Dynamic Technology Lab
Singapore
$150K 3,011 +1,957 +186%
Thrivent Financial for Lutherans
86
Thrivent Financial for Lutherans
Minnesota
$148K 2,987 +20 +0.7%
Bank of Montreal
87
Bank of Montreal
Ontario, Canada
$147K 2,961 -793 -21%
Public Employees Retirement Association of Colorado
88
Public Employees Retirement Association of Colorado
Colorado
$145K 2,920
Nomura Holdings
89
Nomura Holdings
Japan
$136K 2,633 -236 -8%
PM
90
Parametrica Management
Hong Kong
$127K 2,570 +977 +61%
WA
91
WealthTrust Axiom
Pennsylvania
$126K 2,557 -3,937 -61%
WA
92
Whitebox Advisors
Minnesota
$124K 2,500 +2,500 New
GMIM
93
General Motors Investment Management
New York
$122K 2,470 +1,143 +86%
SKK
94
Shepherd Kaplan Krochuk
Massachusetts
$122K 2,467 +2,467 New
BJ
95
BlackRock Japan
Japan
$109K 2,205 -628 -22%
PI
96
PineBridge Investments
New York
$106K 2,149 +1,230 +134%
NTCOC
97
Northern Trust Company of Connecticut
Connecticut
$105K 2,126 -1,589 -43%
U
98
UBS
Switzerland
$90K 1,815 -13,004 -88%
TD Asset Management
99
TD Asset Management
Ontario, Canada
$81K 1,633 +126 +8%
TCOT
100
Trust Company of Toledo
Ohio
$79K 1,600 +1,600 New