IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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51 hedge funds and large institutions have $47.7M invested in ION Geophysical Corporation in 2019 Q3 according to their latest regulatory filings, with 7 funds opening new positions, 17 increasing their positions, 18 reducing their positions, and 14 closing their positions.

Holders
51
Holders Change
-7
Holders Change %
-12.07%
% of All Funds
1.12%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
7
Increased
17
Reduced
18
Closed
14
Calls
$401K
Puts
$141K
Net Calls
+$260K
Net Calls Change
-$2.21M

Top Buyers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$8.22M
2
Morgan Stanley
2
Morgan Stanley
New York
$2.85M
3
Acadian Asset Management
3
Acadian Asset Management
Massachusetts
$974K
4
Neuberger Berman Group
4
Neuberger Berman Group
New York
$4.38M
5
Squarepoint
5
Squarepoint
New York
$900K

Top Sellers

1
Invesco
1
Invesco
Georgia
$2.27M
2
GCM
2
Gates Capital Management
New York
$4.92M
3
Northern Trust
3
Northern Trust
Illinois
$351K
4
Millennium Management
4
Millennium Management
New York
$382K
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$3.91M
Name Market Value Shares Shares
Change 		Shares
Change %
Renaissance Technologies
1
Renaissance Technologies
New York
$8.22M 901,519 +172,770 +24%
GCM
2
Gates Capital Management
New York
$4.92M 539,855 -113,851 -17%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$4.85M 531,629 +3,253 +0.6%
Neuberger Berman Group
4
Neuberger Berman Group
New York
$4.38M 480,187 +30,636 +7%
Vanguard Group
5
Vanguard Group
Pennsylvania
$3.91M 428,712 -67,753 -14%
Deutsche Bank
6
Deutsche Bank
Germany
$3.42M 374,620 -6,465 -2%
Morgan Stanley
7
Morgan Stanley
New York
$2.85M 311,982 +128,127 +70%
Invesco
8
Invesco
Georgia
$2.27M 249,181 -365,383 -59%
BlackRock
9
BlackRock
New York
$1.79M 195,720 +6,273 +3%
BCM
10
Bridgeway Capital Management
Texas
$1.19M 130,216 – –
Acadian Asset Management
11
Acadian Asset Management
Massachusetts
$974K 106,808 +43,213 +68%
SIM
12
Spark Investment Management
New York
$912K 100,000 -13,900 -12%
Squarepoint
13
Squarepoint
New York
$900K 98,634 +27,709 +39%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$808K 88,694 +3,326 +4%
AIM
15
Alambic Investment Management
California
$674K 73,913 +12,508 +20%
RA
16
Royce & Associates
New York
$656K 71,880 – –
PAM
17
Panagora Asset Management
Massachusetts
$597K 65,470 – –
Citigroup
18
Citigroup
New York
$568K 62,277 -17,330 -22%
Wells Fargo
19
Wells Fargo
California
$489K 53,559 +1,979 +4%
Two Sigma Advisers
20
Two Sigma Advisers
New York
$474K 52,026 +1,500 +3%
Bank of New York Mellon
21
Bank of New York Mellon
New York
$435K 47,666 -870 -2%
RJFSA
22
Raymond James Financial Services Advisors
Florida
$413K 45,246 -2,750 -6%
Millennium Management
23
Millennium Management
New York
$382K 41,903 -72,289 -63%
Northern Trust
24
Northern Trust
Illinois
$351K 38,594 -104,035 -73%
Jacobs Levy Equity Management
25
Jacobs Levy Equity Management
New Jersey
$192K 21,100 +21,100 New
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