IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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88 hedge funds and large institutions have $45.4M invested in ION Geophysical Corporation in 2015 Q4 according to their latest regulatory filings, with 13 funds opening new positions, 16 increasing their positions, 34 reducing their positions, and 41 closing their positions.

Holders
88
Holders Change
-29
Holders Change %
-24.79%
% of All Funds
2.31%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
13
Increased
16
Reduced
34
Closed
41
Calls
–
Puts
$1K
Net Calls
-$1K
Net Calls Change
+$3K

Top Buyers

1
Fuller & Thaler Asset Management
1
Fuller & Thaler Asset Management
California
$838K
2
Goldman Sachs
2
Goldman Sachs
New York
$942K
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.17M
4
Jacobs Levy Equity Management
4
Jacobs Levy Equity Management
New Jersey
$433K
5
Millennium Management
5
Millennium Management
New York
$422K

Top Sellers

1
BFA
1
BlackRock Fund Advisors
California
$1.86M
2
Invesco
2
Invesco
Georgia
$14.3M
3
MCM
3
McKinley Capital Management
Alaska
$0
4
Bank of New York Mellon
4
Bank of New York Mellon
New York
$341K
5
Principal Financial Group
5
Principal Financial Group
Iowa
$10K
Name Market Value Shares Shares
Change 		Shares
Change %
CAM
101
Capstone Asset Management
Texas
– – -74,308 Closed
Bank of Montreal
102
Bank of Montreal
Ontario, Canada
– – -70,335 Closed
PP
103
Paloma Partners
Connecticut
– – -69,689 Closed
ASRS
104
Arizona State Retirement System
Arizona
– – -61,697 Closed
LSERS
105
Louisiana State Employees Retirement System
Louisiana
– – -56,600 Closed
TRSOTSOK
106
Teachers Retirement System of the State of Kentucky
Kentucky
– – -55,300 Closed
Thrivent Financial for Lutherans
107
Thrivent Financial for Lutherans
Minnesota
– – -53,650 Closed
UBS AM
108
UBS AM
Illinois
– – -51,796 Closed
AP
109
Advisor Partners
California
– – -49,184 Closed
MERSOM
110
Municipal Employees' Retirement System of Michigan
Michigan
– – -26,050 Closed
Nomura Holdings
111
Nomura Holdings
Japan
– – -26,000 Closed
D.E. Shaw & Co
112
D.E. Shaw & Co
New York
– – -18,969 Closed
MSA
113
Mason Street Advisors
Wisconsin
– – -18,929 Closed
PA
114
Profund Advisors
Maryland
– – -18,495 Closed
Teacher Retirement System of Texas
115
Teacher Retirement System of Texas
Texas
– – -16,153 Closed
PI
116
PineBridge Investments
New York
– – -15,523 Closed
MAA
117
Mraz Amerine & Associates
California
– – -11,900 Closed
OC
118
Oppenheimer & Co
New York
– – -10,500 Closed
PCM
119
Prelude Capital Management
New York
– – -9,500 Closed
GAM
120
Gemmer Asset Management
California
– – -5,803 Closed
LIA
121
LS Investment Advisors
Michigan
– – -4,295 Closed
Canada Life
122
Canada Life
Manitoba, Canada
– – -4,075 Closed
Barclays
123
Barclays
United Kingdom
– – -737 Closed
CCS
124
Crosspoint Capital Strategies
California
– – -610 Closed
Fifth Third Bancorp
125
Fifth Third Bancorp
Ohio
– – -352 Closed
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