IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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135 hedge funds and large institutions have $218M invested in ION Geophysical Corporation in 2015 Q1 according to their latest regulatory filings, with 11 funds opening new positions, 50 increasing their positions, 35 reducing their positions, and 17 closing their positions.

Holders
135
Holders Change
-7
Holders Change %
-4.93%
% of All Funds
3.6%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
11
Increased
50
Reduced
35
Closed
17
Calls
$6K
Puts
$129K
Net Calls
-$123K
Net Calls Change
+$82K

Top Buyers

1
First Trust Advisors
1
First Trust Advisors
Illinois
$2.61M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$19.8M
3
Renaissance Technologies
3
Renaissance Technologies
New York
$2.73M
4
PAM
4
Panagora Asset Management
Massachusetts
$3.21M
5
BFA
5
BlackRock Fund Advisors
California
$17.2M

Top Sellers

1
Ameriprise
1
Ameriprise
Minnesota
$1.29M
2
American Century Companies
2
American Century Companies
Missouri
$187K
3
PI
3
Putnam Investments
Massachusetts
$3.97M
4
Wells Fargo
4
Wells Fargo
California
$11.7M
5
BIM
5
Bogle Investment Management
Massachusetts
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Nomura Holdings
76
Nomura Holdings
Japan
$122K 3,473 -2,169 -38%
LSERS
77
Louisiana State Employees Retirement System
Louisiana
$122K 3,747 -146 -4%
TRSOTSOK
78
Teachers Retirement System of the State of Kentucky
Kentucky
$120K 3,687 – –
SCM
79
Stevens Capital Management
Pennsylvania
$118K 3,626 +2,559 +240%
UBS AM
80
UBS AM
Illinois
$112K 3,453 – –
Tudor Investment Corp
81
Tudor Investment Corp
Connecticut
$110K 3,391 +351 +12%
Thrivent Financial for Lutherans
82
Thrivent Financial for Lutherans
Minnesota
$103K 3,177 +100 +3%
Public Employees Retirement Association of Colorado
83
Public Employees Retirement Association of Colorado
Colorado
$95K 2,920 – –
ISL
84
Ingalls & Snyder LLC
New York
$82K 2,537 -833 -25%
RCM
85
Rotella Capital Management
Washington
$80K 2,460 +327 +15%
D.E. Shaw & Co
86
D.E. Shaw & Co
New York
$77K 2,363 -2,120 -47%
PI
87
PineBridge Investments
New York
$69K 2,110 +185 +10%
AL
88
Airain Ltd
Guernsey
$67K 2,067 -2,074 -50%
SCA
89
Secor Capital Advisors
New York
$65K 1,988 +1,988 New
ProShare Advisors
90
ProShare Advisors
Maryland
$62K 1,894 -144 -7%
SFWA
91
Summit Financial Wealth Advisors
Louisiana
$60K 2,301 – –
SG Americas Securities
92
SG Americas Securities
New York
$56K 1,734 -14 -0.8%
MERSOM
93
Municipal Employees' Retirement System of Michigan
Michigan
$52K 1,607 -573 -26%
Ohio Public Employees Retirement System (OPERS)
94
Ohio Public Employees Retirement System (OPERS)
Ohio
$51K 1,555 +240 +18%
PA
95
Profund Advisors
Maryland
$45K 1,393 +116 +9%
WA
96
WealthTrust Axiom
Pennsylvania
$44K 1,361 -333 -20%
PP
97
Paloma Partners
Connecticut
$43K 1,322 -876 -40%
UBS Group
98
UBS Group
Switzerland
$43K 1,321 – –
TU
99
TDAM USA
Ontario, Canada
$43K 1,327 +82 +7%
HI
100
HBK Investments
Texas
$41K 1,262 -145 -10%
2 3
4
5 6