IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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67 hedge funds and large institutions have $32.1M invested in ION Geophysical Corporation in 2016 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 13 increasing their positions, 28 reducing their positions, and 12 closing their positions.

Holders
67
Holders Change
+4
Holders Change %
+6.35%
% of All Funds
1.79%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
17
Increased
13
Reduced
28
Closed
12
Calls
$187K
Puts
$2K
Net Calls
+$185K
Net Calls Change
+$82K

Top Buyers

1
GCM
1
Gates Capital Management
New York
$4.02M
2
OCM
2
Osterweis Capital Management
California
$648K
3
OAM
3
Oxford Asset Management
United Kingdom
$702K
4
BCM
4
Bridgeway Capital Management
Texas
$680K
5
IAM
5
Impax Asset Management
New Hampshire
$312K

Top Sellers

1
BFA
1
BlackRock Fund Advisors
California
$162K
2
State Street
2
State Street
Massachusetts
$0
3
Invesco
3
Invesco
Georgia
$11.1M
4
BIT
4
BlackRock Institutional Trust
California
$988K
5
Northern Trust
5
Northern Trust
Illinois
$135K
Name Market Value Shares Shares
Change 		Shares
Change %
Invesco
1
Invesco
Georgia
$11.1M 1,785,768 -75,815 -4%
GCM
2
Gates Capital Management
New York
$4.02M 644,460 +619,460 +2,478%
Vanguard Group
3
Vanguard Group
Pennsylvania
$2.53M 405,982 -17,371 -4%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$1.68M 269,317 -2,774 -1%
Neuberger Berman Group
5
Neuberger Berman Group
New York
$1.15M 183,959 -4,637 -2%
Renaissance Technologies
6
Renaissance Technologies
New York
$1.05M 169,182 -600 -0.4%
BIT
7
BlackRock Institutional Trust
California
$988K 158,636 -69,575 -30%
OAM
8
Oxford Asset Management
United Kingdom
$702K 112,733 +74,225 +193%
BCM
9
Bridgeway Capital Management
Texas
$680K 109,150 +65,150 +148%
OCM
10
Osterweis Capital Management
California
$648K 104,000 +104,000 New
Norges Bank
11
Norges Bank
Norway
$528K 84,745 -47,500 -36%
Fuller & Thaler Asset Management
12
Fuller & Thaler Asset Management
California
$527K 84,544 – –
SIM
13
Spark Investment Management
New York
$456K 73,200 +23,600 +48%
RA
14
Royce & Associates
New York
$448K 71,880 – –
Connor, Clark & Lunn Investment Management (CC&L)
15
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$407K 65,396 +34,217 +110%
CPS
16
Counsel Portfolio Services
Ontario, Canada
$329K 52,735 – –
Jacobs Levy Equity Management
17
Jacobs Levy Equity Management
New Jersey
$312K 50,123 -3,906 -7%
IAM
18
Impax Asset Management
New Hampshire
$312K 50,000 +50,000 New
ACM
19
Archer Capital Management
New York
$296K 47,500 +47,500 New
WAM
20
Wolverine Asset Management
Illinois
$296K 47,500 +47,500 New
Wells Fargo
21
Wells Fargo
California
$295K 47,352 -3,992 -8%
Geode Capital Management
22
Geode Capital Management
Massachusetts
$261K 42,046 -9,897 -19%
BC
23
Brookfield Corp
Ontario, Canada
$235K 37,750 +37,750 New
TCM
24
Tegean Capital Management
New York
$233K 2,500 +2,500 New
PP
25
Paloma Partners
Connecticut
$232K 37,225 +37,225 New
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