IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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137 hedge funds and large institutions have $369M invested in ION Geophysical Corporation in 2013 Q4 according to their latest regulatory filings, with 16 funds opening new positions, 50 increasing their positions, 48 reducing their positions, and 21 closing their positions.

Holders
137
Holders Change
-5
Holders Change %
-3.52%
% of All Funds
3.98%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
16
Increased
50
Reduced
48
Closed
21
Calls
$1.46M
Puts
$4.53M
Net Calls
-$3.07M
Net Calls Change
-$2.18M

Top Buyers

1
Invesco
1
Invesco
Georgia
$105M
2
Renaissance Technologies
2
Renaissance Technologies
New York
$3.6M
3
TC
3
TFS Capital
Pennsylvania
$3.46M
4
USGIU
4
U.S. Global Investors (USGI)
Texas
$2.13M
5
UGIF
5
US Global Investors Funds
Maine
$2.13M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.18M
2
SDJVC
2
St. Denis J. Villere & Co
Louisiana
$34M
3
CAM
3
Cortina Asset Management
Wisconsin
$0
4
RFC
4
Russell Frank Company
Washington
$0
5
SCM
5
Snow Capital Management
Pennsylvania
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Invesco
1
Invesco
Georgia
$105M 31,667,181 +10,781,566 +52%
SDJVC
2
St. Denis J. Villere & Co
Louisiana
$34M 10,309,119 -3,436,065 -25%
Wells Fargo
3
Wells Fargo
California
$27.4M 8,304,252 -587,085 -7%
Vanguard Group
4
Vanguard Group
Pennsylvania
$24.6M 7,451,233 -115,187 -2%
BFA
5
BlackRock Fund Advisors
California
$23.9M 7,240,369 +174,185 +2%
State Street
6
State Street
Massachusetts
$12.9M 3,905,827 +634,531 +19%
BIT
7
BlackRock Institutional Trust
California
$12.4M 3,748,173 -824,599 -18%
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$12M 3,648,093 +1,085 +0%
Neuberger Berman Group
9
Neuberger Berman Group
New York
$9.45M 2,863,228 +583,515 +26%
T. Rowe Price Associates
10
T. Rowe Price Associates
Maryland
$9.18M 2,781,520 -59,272 -2%
Ameriprise
11
Ameriprise
Minnesota
$6.74M 2,043,134 -87,975 -4%
Northern Trust
12
Northern Trust
Illinois
$6.22M 1,885,800 -44,324 -2%
Norges Bank
13
Norges Bank
Norway
$5.74M 1,739,115 – –
Bank of New York Mellon
14
Bank of New York Mellon
New York
$4.25M 1,287,891 +6,452 +0.5%
RA
15
Royce & Associates
New York
$3.89M 1,178,200 – –
Renaissance Technologies
16
Renaissance Technologies
New York
$3.6M 1,091,000 +1,010,100 +1,249%
TC
17
TFS Capital
Pennsylvania
$3.46M 1,046,927 +879,445 +525%
TCIM
18
TIAA CREF Investment Management
New York
$3.22M 975,640 +277,388 +40%
BA
19
BlackRock Advisors
Delaware
$3.18M 964,131 +269,879 +39%
Principal Financial Group
20
Principal Financial Group
Iowa
$2.55M 774,090 +60,554 +8%
UBS AM
21
UBS AM
Illinois
$2.46M 743,996 +397,600 +115%
Susquehanna International Group
22
Susquehanna International Group
Pennsylvania
$2.28M 691,579 +444,968 +180%
USGIU
23
U.S. Global Investors (USGI)
Texas
$2.13M 644,781 +644,781 New
UGIF
24
US Global Investors Funds
Maine
$2.13M 644,781 +644,781 New
Charles Schwab
25
Charles Schwab
California
$2.06M 623,680 +153,497 +33%
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