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.

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

Top Sellers

1
Ameriprise
Ameriprise
Minnesota
$1.29M
2
American Century Companies
American Century Companies
Missouri
$187K
3
PI
Putnam Investments
Massachusetts
$3.97M
4
Wells Fargo
Wells Fargo
California
$11.7M
5
BIM
Bogle Investment Management
Massachusetts
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Group One Trading
126
Group One Trading
Illinois
$3K +$208 +7 +7%
SSG
127
Summit Securities Group
New York
$3K +$3K +100 New
PNC Financial Services Group
128
PNC Financial Services Group
Pennsylvania
$1K – – –
RFA
129
Reilly Financial Advisors
California
$1K +$1K +33 New
Manulife (Manufacturers Life Insurance)
130
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$198 +$11 +349 +6%
BIM
131
Bogle Investment Management
Massachusetts
– -$1.12M -27,163 Closed
BA
132
Boston Advisors
Massachusetts
– -$290K -7,030 Closed
Citadel Advisors
133
Citadel Advisors
Florida
– -$122K -2,962 Closed
CCMH
134
Cornerstone Capital Management Holdings
New York
– -$106K -2,567 Closed
CSS
135
Cubist Systematic Strategies
Connecticut
– -$95K -2,298 Closed
VKH
136
Virtu KCG Holdings
New York
– -$80K -1,938 Closed
CAS
137
CTC Alternative Strategies
Illinois
– -$39.9K -968 Closed
Cambridge Investment Research Advisors
138
Cambridge Investment Research Advisors
Iowa
– -$40K -966 Closed
AG
139
Aperio Group
California
– -$38K -911 Closed
AGM
140
Alpine Global Management
New York
– -$35K -851 Closed
Verition Fund Management
141
Verition Fund Management
Connecticut
– -$34K -820 Closed
CIBC Asset Management
142
CIBC Asset Management
Ontario, Canada
– -$32K -787 Closed
DTL
143
Dynamic Technology Lab
Singapore
– -$28K -689 Closed
QI
144
QS Investors
New York
– -$27K -646 Closed
MAA
145
Managed Account Advisors
New Jersey
– -$7K -166 Closed
GAM
146
Gemmer Asset Management
California
– -$1K -20 Closed
HRIA
147
Haberer Registered Investment Advisor
Ohio
– -$1K -20 Closed
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