IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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69 hedge funds and large institutions have $94.4M invested in ION Geophysical Corporation in 2019 Q1 according to their latest regulatory filings, with 16 funds opening new positions, 20 increasing their positions, 16 reducing their positions, and 11 closing their positions.

Holders
69
Holders Change
+5
Holders Change %
+7.81%
% of All Funds
1.5%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
16
Increased
20
Reduced
16
Closed
11
Calls
$6.34M
Puts
$330K
Net Calls
+$6.01M
Net Calls Change
+$5.92M

Top Buyers

1
Deutsche Bank
1
Deutsche Bank
Germany
$7.78M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$7.04M
3
Group One Trading
3
Group One Trading
Illinois
$568K
4
Neuberger Berman Group
4
Neuberger Berman Group
New York
$6.59M
5
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$6.78M

Top Sellers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$10.2M
2
GCM
2
Gates Capital Management
New York
$14.8M
3
JPMorgan Chase & Co
3
JPMorgan Chase & Co
New York
$37K
4
AQR Capital Management
4
AQR Capital Management
Connecticut
$150K
5
BCM
5
Bridgeway Capital Management
Texas
$1.88M
Name Market Value Shares Shares
Change 		Shares
Change %
GCM
1
Gates Capital Management
New York
$14.8M 1,024,835 -187,573 -15%
Renaissance Technologies
2
Renaissance Technologies
New York
$10.2M 705,849 -320,674 -31%
Invesco
3
Invesco
Georgia
$10.2M 703,004 +15,016 +2%
BlackRock
4
BlackRock
New York
$9.65M 668,448 -15,849 -2%
Deutsche Bank
5
Deutsche Bank
Germany
$7.78M 538,746 +305,649 +131%
Vanguard Group
6
Vanguard Group
Pennsylvania
$7.04M 487,760 +204,781 +72%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$6.78M 469,325 +31,989 +7%
Neuberger Berman Group
8
Neuberger Berman Group
New York
$6.59M 456,428 +37,688 +9%
State Street
9
State Street
Massachusetts
$2.42M 167,866 +2,763 +2%
Northern Trust
10
Northern Trust
Illinois
$2.16M 149,754 +1,108 +0.7%
BCM
11
Bridgeway Capital Management
Texas
$1.88M 130,216 -47,089 -27%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$1.79M 124,279 +23,266 +23%
SIM
13
Spark Investment Management
New York
$1.6M 110,687 +30,887 +39%
Wells Fargo
14
Wells Fargo
California
$1.05M 72,542 +16,915 +30%
RA
15
Royce & Associates
New York
$1.04M 71,880 – –
Bank of New York Mellon
16
Bank of New York Mellon
New York
$1.01M 69,598 -84 -0.1%
PAM
17
Panagora Asset Management
Massachusetts
$945K 65,470 – –
Two Sigma Advisers
18
Two Sigma Advisers
New York
$730K 50,526 – –
RJFSA
19
Raymond James Financial Services Advisors
Florida
$657K 45,496 +4,500 +11%
Group One Trading
20
Group One Trading
Illinois
$568K 39,354 +39,354 New
TA
21
Teachers Advisors
New York
$391K 27,076 +211 +0.8%
Charles Schwab
22
Charles Schwab
California
$373K 25,776 +5,976 +30%
EGM
23
Engineers Gate Manager
New York
$355K 24,551 +8,217 +50%
PPA
24
Parametric Portfolio Associates
Washington
$330K 22,834 +5,238 +30%
TCIM
25
TIAA CREF Investment Management
New York
$306K 21,168 -257 -1%
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