IO

ION Geophysical Corporation

Delisted

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

117 hedge funds and large institutions have $35.7M invested in ION Geophysical Corporation in 2015 Q3 according to their latest regulatory filings, with 12 funds opening new positions, 35 increasing their positions, 37 reducing their positions, and 17 closing their positions.

Holders
117
Holders Change
-5
Holders Change %
-4.1%
% of All Funds
3.27%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
12
Increased
35
Reduced
37
Closed
17
Calls
$5K
Puts
$9K
Net Calls
-$4K
Net Calls Change
+$33K
Name Market Value Shares Shares
Change
Shares
Change %
Invesco
1
Invesco
Georgia
$12.4M 31,804,811 -213,213 -0.7%
BFA
2
BlackRock Fund Advisors
California
$3.24M 8,311,582 +303,226 +4%
Vanguard Group
3
Vanguard Group
Pennsylvania
$2.07M 5,307,957 -1,344,213 -20%
Wells Fargo
4
Wells Fargo
California
$1.69M 4,336,829 -871,199 -17%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$1.68M 4,313,567 -216,171 -5%
BIT
6
BlackRock Institutional Trust
California
$1.37M 3,515,253 +30,605 +0.9%
Neuberger Berman Group
7
Neuberger Berman Group
New York
$1.3M 3,327,767 +95,861 +3%
State Street
8
State Street
Massachusetts
$993K 2,547,124 -22,794 -0.9%
Renaissance Technologies
9
Renaissance Technologies
New York
$985K 2,526,400 +65,911 +3%
Norges Bank
10
Norges Bank
Norway
$774K 1,983,679 -206,683 -9%
Northern Trust
11
Northern Trust
Illinois
$614K 1,575,213 +44,384 +3%
Bank of New York Mellon
12
Bank of New York Mellon
New York
$612K 1,570,320
PAM
13
Panagora Asset Management
Massachusetts
$573K 1,468,312 +15,973 +1%
MCM
14
McKinley Capital Management
Alaska
$476K 1,221,525 -1,066 -0.1%
RA
15
Royce & Associates
New York
$420K 1,078,200
TCIM
16
TIAA CREF Investment Management
New York
$413K 1,057,735 -110,380 -9%
JPMorgan Chase & Co
17
JPMorgan Chase & Co
New York
$355K 909,258 +31,125 +4%
Principal Financial Group
18
Principal Financial Group
Iowa
$324K 831,407 +48,908 +6%
CPS
19
Counsel Portfolio Services
Ontario, Canada
$309K 791,037
Geode Capital Management
20
Geode Capital Management
Massachusetts
$298K 765,034 -29,605 -4%
Ameriprise
21
Ameriprise
Minnesota
$232K 595,674 -4,034 -0.7%
BIM
22
BlackRock Investment Management
Delaware
$219K 562,636 -6,094 -1%
SCM
23
Sterling Capital Management
North Carolina
$215K 551,130 -25,900 -4%
GC
24
Guggenheim Capital
Illinois
$214K 549,929 -44,229 -7%
California Public Employees Retirement System
25
California Public Employees Retirement System
California
$194K 498,400 -59,900 -11%