IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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153 hedge funds and large institutions have $689M invested in ION Geophysical Corporation in 2013 Q2 according to their latest regulatory filings, with 153 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

Holders
153
Holders Change
+153
Holders Change %
–
% of All Funds
5%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
153
Increased
–
Reduced
–
Closed
–
Calls
$625K
Puts
$1.43M
Net Calls
-$806K
Net Calls Change
-$806K

Top Buyers

1
Invesco
1
Invesco
Georgia
$112M
2
SDJVC
2
St. Denis J. Villere & Co
Louisiana
$70.4M
3
Wells Fargo
3
Wells Fargo
California
$55.9M
4
Wellington Management Group
4
Wellington Management Group
Massachusetts
$53.6M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$44.5M

Top Sellers

No sellers this quarter
Name Market Value Shares Shares
Change 		Shares
Change %
Invesco
1
Invesco
Georgia
$112M 18,623,838 +18,623,838 New
SDJVC
2
St. Denis J. Villere & Co
Louisiana
$70.4M 11,700,884 +11,700,884 New
Wells Fargo
3
Wells Fargo
California
$55.9M 9,282,401 +9,282,401 New
Wellington Management Group
4
Wellington Management Group
Massachusetts
$53.6M 8,907,070 +8,907,070 New
Vanguard Group
5
Vanguard Group
Pennsylvania
$44.5M 7,395,792 +7,395,792 New
BFA
6
BlackRock Fund Advisors
California
$38.2M 6,340,449 +6,340,449 New
GC
7
GW Capital
Washington
$28.1M 4,672,317 +4,672,317 New
BIT
8
BlackRock Institutional Trust
California
$22.9M 3,811,455 +3,811,455 New
Dimensional Fund Advisors
9
Dimensional Fund Advisors
Texas
$22.2M 3,694,903 +3,694,903 New
State Street
10
State Street
Massachusetts
$18.2M 3,026,120 +3,026,120 New
T. Rowe Price Associates
11
T. Rowe Price Associates
Maryland
$17.9M 2,974,100 +2,974,100 New
Principal Financial Group
12
Principal Financial Group
Iowa
$12.9M 2,141,276 +2,141,276 New
Northern Trust
13
Northern Trust
Illinois
$12.2M 2,021,823 +2,021,823 New
Ameriprise
14
Ameriprise
Minnesota
$11.3M 1,879,567 +1,879,567 New
Neuberger Berman Group
15
Neuberger Berman Group
New York
$11.1M 1,837,097 +1,837,097 New
Norges Bank
16
Norges Bank
Norway
$10.5M 1,739,115 +1,739,115 New
RHJA
17
Rice Hall James & Associates
California
$8.99M 1,492,597 +1,492,597 New
CAM
18
Cortina Asset Management
Wisconsin
$8.38M 1,392,252 +1,392,252 New
Bank of New York Mellon
19
Bank of New York Mellon
New York
$7.89M 1,309,962 +1,309,962 New
RA
20
Royce & Associates
New York
$7.09M 1,178,200 +1,178,200 New
PA
21
Pinnacle Associates
New York
$6.28M 1,042,435 +1,042,435 New
Morgan Stanley
22
Morgan Stanley
New York
$5.72M 949,746 +949,746 New
HCM
23
Highbridge Capital Management
New York
$4.69M 779,246 +779,246 New
TCIM
24
TIAA CREF Investment Management
New York
$4.29M 711,839 +711,839 New
TAM
25
Tocqueville Asset Management
New York
$4.18M 693,955 +693,955 New
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