IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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88 hedge funds and large institutions have $45.4M invested in ION Geophysical Corporation in 2015 Q4 according to their latest regulatory filings, with 13 funds opening new positions, 16 increasing their positions, 34 reducing their positions, and 41 closing their positions.

Holders
88
Holders Change
-29
Holders Change %
-24.79%
% of All Funds
2.31%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
13
Increased
16
Reduced
34
Closed
41
Calls
–
Puts
$1K
Net Calls
-$1K
Net Calls Change
+$3K

Top Buyers

1
Fuller & Thaler Asset Management
1
Fuller & Thaler Asset Management
California
$838K
2
Goldman Sachs
2
Goldman Sachs
New York
$942K
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.17M
4
Jacobs Levy Equity Management
4
Jacobs Levy Equity Management
New Jersey
$433K
5
Millennium Management
5
Millennium Management
New York
$422K

Top Sellers

1
BFA
1
BlackRock Fund Advisors
California
$1.86M
2
Invesco
2
Invesco
Georgia
$14.3M
3
MCM
3
McKinley Capital Management
Alaska
$0
4
Bank of New York Mellon
4
Bank of New York Mellon
New York
$341K
5
Principal Financial Group
5
Principal Financial Group
Iowa
$10K
Name Market Value Shares Shares
Change 		Shares
Change %
Invesco
1
Invesco
Georgia
$14.3M 28,426,585 -3,378,226 -11%
CPS
2
Counsel Portfolio Services
Ontario, Canada
$5.97M 791,037 – –
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.17M 6,291,508 +983,551 +19%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$2.11M 4,193,744 -119,823 -3%
Wells Fargo
5
Wells Fargo
California
$2.06M 4,093,596 -243,233 -6%
BFA
6
BlackRock Fund Advisors
California
$1.86M 3,699,455 -4,612,127 -55%
BIT
7
BlackRock Institutional Trust
California
$1.72M 3,418,216 -97,037 -3%
Neuberger Berman Group
8
Neuberger Berman Group
New York
$1.49M 2,962,701 -365,066 -11%
Renaissance Technologies
9
Renaissance Technologies
New York
$1.31M 2,612,500 +86,100 +3%
State Street
10
State Street
Massachusetts
$1.11M 2,216,380 -330,744 -13%
Norges Bank
11
Norges Bank
Norway
$998K 1,983,679 – –
PAM
12
Panagora Asset Management
Massachusetts
$976K 1,940,665 +472,353 +32%
Goldman Sachs
13
Goldman Sachs
New York
$942K 1,871,766 +1,557,767 +496%
Fuller & Thaler Asset Management
14
Fuller & Thaler Asset Management
California
$838K 1,665,800 +1,665,800 New
Northern Trust
15
Northern Trust
Illinois
$758K 1,506,333 -68,880 -4%
RA
16
Royce & Associates
New York
$542K 1,078,200 – –
Jacobs Levy Equity Management
17
Jacobs Levy Equity Management
New Jersey
$433K 861,163 +861,163 New
TCIM
18
TIAA CREF Investment Management
New York
$431K 856,322 -201,413 -19%
Millennium Management
19
Millennium Management
New York
$422K 837,986 +702,886 +520%
Geode Capital Management
20
Geode Capital Management
Massachusetts
$384K 764,960 -74 -0%
Bank of New York Mellon
21
Bank of New York Mellon
New York
$341K 674,581 -895,739 -57%
California Public Employees Retirement System
22
California Public Employees Retirement System
California
$303K 601,900 +103,500 +21%
BIM
23
BlackRock Investment Management
Delaware
$255K 507,388 -55,248 -10%
PPA
24
Parametric Portfolio Associates
Washington
$231K 459,342 -12,522 -3%
BCM
25
Bridgeway Capital Management
Texas
$181K 360,010 – –
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