IO

ION Geophysical Corporation

Delisted

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

146 hedge funds and large institutions have $443M invested in ION Geophysical Corporation in 2014 Q2 according to their latest regulatory filings, with 16 funds opening new positions, 45 increasing their positions, 53 reducing their positions, and 30 closing their positions.

Holders
146
Holders Change
-15
Holders Change %
-9.32%
% of All Funds
4.2%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
16
Increased
45
Reduced
53
Closed
30
Calls
$255K
Puts
$826K
Net Calls
-$571K
Net Calls Change
+$3.84M
Name Market Value Shares Shares
Change
Shares
Change %
Bank of Montreal
101
Bank of Montreal
Ontario, Canada
$149K 2,344 +696 +42%
U
102
UBS
Switzerland
$137K 2,157 +811 +60%
DP
103
Dearborn Partners
Illinois
$136K 2,153
MERSOM
104
Municipal Employees' Retirement System of Michigan
Michigan
$133K 2,107 +127 +6%
Citigroup
105
Citigroup
New York
$125K 1,973 -15,502 -89%
PA
106
Profund Advisors
Maryland
$125K 1,973 -143 -7%
Barclays
107
Barclays
United Kingdom
$109K 1,809 -7,317 -80%
SIM
108
Strategic Investment Management
Virginia
$102K 1,616 +1,616 New
Jane Street
109
Jane Street
New York
$100K 1,587 +1,587 New
SCM
110
Stevens Capital Management
Pennsylvania
$97K 1,534 -362 -19%
OTPPB
111
Ontario Teachers' Pension Plan Board
Ontario, Canada
$97K 1,537 +1,537 New
Ohio Public Employees Retirement System (OPERS)
112
Ohio Public Employees Retirement System (OPERS)
Ohio
$94K 1,490 +209 +16%
PI
113
PineBridge Investments
New York
$84K 1,327 -818 -38%
CSS
114
Cubist Systematic Strategies
Connecticut
$81K 1,279 +1,279 New
MSA
115
Mason Street Advisors
Wisconsin
$68K 1,072 +32 +3%
Cambridge Investment Research Advisors
116
Cambridge Investment Research Advisors
Iowa
$64K 1,010 -941 -48%
Verition Fund Management
117
Verition Fund Management
Connecticut
$63K 999 -2,284 -70%
DTL
118
Dynamic Technology Lab
Singapore
$62K 979 -657 -40%
BJ
119
BlackRock Japan
Japan
$53K 840 -1,595 -66%
CIBC Asset Management
120
CIBC Asset Management
Ontario, Canada
$53K 832
AIP
121
Ameritas Investment Partners
Nebraska
$50K 792
MAA
122
Mraz Amerine & Associates
California
$50K 793
SCM
123
Shelton Capital Management
Colorado
$49K 774
Connor, Clark & Lunn Investment Management (CC&L)
124
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$47K 700 +700 New
VFA
125
Virtus Fund Advisers
Connecticut
$47K 735 +735 New