IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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146 hedge funds and large institutions have $443M invested in ION Geophysical Corporation in 2014 Q2 according to their latest regulatory filings, with 16 funds opening new positions, 45 increasing their positions, 53 reducing their positions, and 30 closing their positions.

Holders
146
Holders Change
-15
Holders Change %
-9.32%
% of All Funds
4.2%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
16
Increased
45
Reduced
53
Closed
30
Calls
$255K
Puts
$826K
Net Calls
-$571K
Net Calls Change
+$3.84M

Top Buyers

1
PI
1
Putnam Investments
Massachusetts
$8.17M
2
Norges Bank
2
Norges Bank
Norway
$14.7M
3
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$18.3M
4
TC
4
TFS Capital
Pennsylvania
$4.6M
5
American Century Companies
5
American Century Companies
Missouri
$2.6M

Top Sellers

1
Wells Fargo
1
Wells Fargo
California
$27.9M
2
Renaissance Technologies
2
Renaissance Technologies
New York
$948K
3
BFA
3
BlackRock Fund Advisors
California
$29.2M
4
Deutsche Bank
4
Deutsche Bank
Germany
$899K
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$245K
Name Market Value Shares Shares
Change 		Shares
Change %
Invesco
1
Invesco
Georgia
$137M 32,544,946 -43,814 -0.1%
Vanguard Group
2
Vanguard Group
Pennsylvania
$36.2M 8,574,437 -141,419 -2%
BFA
3
BlackRock Fund Advisors
California
$29.2M 6,917,806 -485,263 -7%
Wells Fargo
4
Wells Fargo
California
$27.9M 6,614,082 -1,061,371 -14%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$18.3M 4,331,262 +742,955 +21%
BIT
6
BlackRock Institutional Trust
California
$15.7M 3,716,468 -208,491 -5%
Norges Bank
7
Norges Bank
Norway
$14.7M 3,478,230 +1,739,115 +100%
State Street
8
State Street
Massachusetts
$14.6M 3,459,917 +33,553 +1%
Neuberger Berman Group
9
Neuberger Berman Group
New York
$12.2M 2,882,360 -51,242 -2%
Ameriprise
10
Ameriprise
Minnesota
$9.82M 2,327,979 +14,922 +0.6%
PI
11
Putnam Investments
Massachusetts
$8.17M 1,936,350 +1,936,350 New
Allianz Asset Management
12
Allianz Asset Management
Germany
$7.83M 1,855,313 -166,835 -8%
Northern Trust
13
Northern Trust
Illinois
$7.1M 1,683,006 -106,427 -6%
Bank of New York Mellon
14
Bank of New York Mellon
New York
$6.23M 1,475,612 -5,070 -0.3%
RA
15
Royce & Associates
New York
$4.97M 1,178,200 – –
Charles Schwab
16
Charles Schwab
California
$4.68M 1,108,915 +408,906 +58%
TCIM
17
TIAA CREF Investment Management
New York
$4.61M 1,091,694 -11,294 -1%
TC
18
TFS Capital
Pennsylvania
$4.6M 1,089,028 +709,825 +187%
BIM
19
Bogle Investment Management
Massachusetts
$3.51M 831,950 -85,000 -9%
PAM
20
Panagora Asset Management
Massachusetts
$3.49M 826,305 +348,662 +73%
Principal Financial Group
21
Principal Financial Group
Iowa
$3.29M 779,024 +4,788 +0.6%
Geode Capital Management
22
Geode Capital Management
Massachusetts
$2.96M 701,243 +4,112 +0.6%
BA
23
BlackRock Advisors
Delaware
$2.71M 642,670 -43,331 -6%
American Century Companies
24
American Century Companies
Missouri
$2.6M 615,475 +615,475 New
Morgan Stanley
25
Morgan Stanley
New York
$2.59M 613,256 -232,181 -27%
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