IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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142 hedge funds and large institutions have $575M invested in ION Geophysical Corporation in 2013 Q3 according to their latest regulatory filings, with 15 funds opening new positions, 62 increasing their positions, 46 reducing their positions, and 25 closing their positions.

Holders
142
Holders Change
-11
Holders Change %
-7.19%
% of All Funds
4.61%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
15
Increased
62
Reduced
46
Closed
25
Calls
$480K
Puts
$1.37M
Net Calls
-$887K
Net Calls Change
-$81K

Top Buyers

1
Invesco
1
Invesco
Georgia
$109M
2
SDJVC
2
St. Denis J. Villere & Co
Louisiana
$71.5M
3
BIT
3
BlackRock Institutional Trust
California
$23.8M
4
BFA
4
BlackRock Fund Advisors
California
$36.7M
5
BA
5
BlackRock Advisors
Delaware
$3.61M

Top Sellers

1
GC
1
GW Capital
Washington
$0
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$35M
3
RHJA
3
Rice Hall James & Associates
California
$0
4
Principal Financial Group
4
Principal Financial Group
Iowa
$3.71M
5
PA
5
Pinnacle Associates
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Invesco
1
Invesco
Georgia
$109M 20,885,615 +2,261,777 +12%
SDJVC
2
St. Denis J. Villere & Co
Louisiana
$71.5M 13,745,184 +2,044,300 +17%
Wells Fargo
3
Wells Fargo
California
$46.2M 8,891,337 -391,064 -4%
Vanguard Group
4
Vanguard Group
Pennsylvania
$39.3M 7,566,420 +170,628 +2%
BFA
5
BlackRock Fund Advisors
California
$36.7M 7,066,184 +725,735 +11%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$35M 6,736,485 -2,170,585 -24%
BIT
7
BlackRock Institutional Trust
California
$23.8M 4,572,772 +761,317 +20%
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$19M 3,647,008 -47,895 -1%
State Street
9
State Street
Massachusetts
$17M 3,271,296 +245,176 +8%
T. Rowe Price Associates
10
T. Rowe Price Associates
Maryland
$14.8M 2,840,792 -133,308 -4%
Neuberger Berman Group
11
Neuberger Berman Group
New York
$11.9M 2,279,713 +442,616 +24%
Ameriprise
12
Ameriprise
Minnesota
$11.1M 2,131,109 +251,542 +13%
Northern Trust
13
Northern Trust
Illinois
$10M 1,930,124 -91,699 -5%
Norges Bank
14
Norges Bank
Norway
$9.04M 1,739,115 – –
Bank of New York Mellon
15
Bank of New York Mellon
New York
$6.66M 1,281,439 -28,523 -2%
CAM
16
Cortina Asset Management
Wisconsin
$6.37M 1,224,368 -167,884 -12%
RA
17
Royce & Associates
New York
$6.13M 1,178,200 – –
RFC
18
Russell Frank Company
Washington
$4.93M 948,200 +548,800 +137%
Principal Financial Group
19
Principal Financial Group
Iowa
$3.71M 713,536 -1,427,740 -67%
TCIM
20
TIAA CREF Investment Management
New York
$3.63M 698,252 -13,587 -2%
BA
21
BlackRock Advisors
Delaware
$3.61M 694,252 +606,238 +689%
SCM
22
Snow Capital Management
Pennsylvania
$3.45M 664,175 +200,720 +43%
TAM
23
Tocqueville Asset Management
New York
$3.39M 652,764 -41,191 -6%
Morgan Stanley
24
Morgan Stanley
New York
$3.25M 624,605 -325,141 -34%
MNA
25
Manning & Napier Advisors
New York
$3.06M 589,210 -32,620 -5%
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