IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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42 hedge funds and large institutions have $38.6M invested in ION Geophysical Corporation in 2017 Q3 according to their latest regulatory filings, with 6 funds opening new positions, 16 increasing their positions, 9 reducing their positions, and 8 closing their positions.

Holders
42
Holders Change
-2
Holders Change %
-4.55%
% of All Funds
1.05%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
6
Increased
16
Reduced
9
Closed
8
Calls
$152K
Puts
$555K
Net Calls
-$403K
Net Calls Change
-$256K

Top Buyers

1
GCM
1
Gates Capital Management
New York
$7.15M
2
Renaissance Technologies
2
Renaissance Technologies
New York
$2.74M
3
BCM
3
Bridgeway Capital Management
Texas
$1.8M
4
Acadian Asset Management
4
Acadian Asset Management
Massachusetts
$224K
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$1.11M

Top Sellers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$2.2M
2
IAM
2
Impax Asset Management
New Hampshire
$133K
3
Connor, Clark & Lunn Investment Management (CC&L)
3
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$0
4
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$2.31M
5
BC
5
Brookfield Corp
Ontario, Canada
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Invesco
1
Invesco
Georgia
$12.5M 1,311,636 +3,272 +0.3%
GCM
2
Gates Capital Management
New York
$7.15M 751,618 +168,672 +29%
Renaissance Technologies
3
Renaissance Technologies
New York
$2.74M 288,182 +55,400 +24%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$2.31M 243,307 -22,071 -8%
Vanguard Group
5
Vanguard Group
Pennsylvania
$2.2M 231,422 -58,995 -20%
BCM
6
Bridgeway Capital Management
Texas
$1.8M 189,505 +33,300 +21%
Neuberger Berman Group
7
Neuberger Berman Group
New York
$1.72M 180,868 +3,741 +2%
BlackRock
8
BlackRock
New York
$1.65M 173,984 -668 -0.4%
JPMorgan Chase & Co
9
JPMorgan Chase & Co
New York
$1.11M 118,559 +22,913 +24%
Wells Fargo
10
Wells Fargo
California
$761K 79,995 +9,900 +14%
RA
11
Royce & Associates
New York
$684K 71,880 – –
Geode Capital Management
12
Geode Capital Management
Massachusetts
$543K 57,263 +15,217 +36%
SIM
13
Spark Investment Management
New York
$469K 49,400 +800 +2%
OAM
14
Oxford Asset Management
United Kingdom
$400K 42,286 +14,021 +50%
California Public Employees Retirement System
15
California Public Employees Retirement System
California
$396K 41,594 +4,128 +11%
State of New Jersey Common Pension Fund D
16
State of New Jersey Common Pension Fund D
New Jersey
$292K 30,666 – –
Jacobs Levy Equity Management
17
Jacobs Levy Equity Management
New Jersey
$269K 28,284 -12,704 -31%
Northern Trust
18
Northern Trust
Illinois
$267K 28,014 +171 +0.6%
Acadian Asset Management
19
Acadian Asset Management
Massachusetts
$224K 23,592 +23,592 New
Bank of New York Mellon
20
Bank of New York Mellon
New York
$199K 20,914 – –
DCM
21
Dupont Capital Management
Delaware
$136K 14,266 – –
IAM
22
Impax Asset Management
New Hampshire
$133K 14,000 -36,000 -72%
HighTower Advisors
23
HighTower Advisors
Illinois
$129K 13,511 +178 +1%
Goldman Sachs
24
Goldman Sachs
New York
$117K 12,303 -13,522 -52%
VF
25
Virtu Financial
New York
$101K 10,662 +10,662 New
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