IO

ION Geophysical Corporation

Delisted

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

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
Name Market Value Shares Shares
Change
Shares
Change %
Deutsche Bank
26
Deutsche Bank
Germany
$2.05M 41,483 +21,820 +111%
MNA
27
Manning & Napier Advisors
New York
$1.92M 38,717 -564 -1%
CPS
28
Counsel Portfolio Services
Ontario, Canada
$1.91M 38,478 +7,802 +25%
TAM
29
Tocqueville Asset Management
New York
$1.9M 38,440 -5,078 -12%
Geode Capital Management
30
Geode Capital Management
Massachusetts
$1.78M 35,946 -3,256 -8%
BIM
31
BlackRock Investment Management
Delaware
$1.65M 33,283 -516 -2%
PAM
32
Panagora Asset Management
Massachusetts
$1.42M 28,698 +22,182 +340%
New York State Teachers Retirement System (NYSTRS)
33
New York State Teachers Retirement System (NYSTRS)
New York
$1.38M 27,892 -1,585 -5%
CS
34
Credit Suisse
Switzerland
$1.38M 27,882 +13,614 +95%
California Public Employees Retirement System
35
California Public Employees Retirement System
California
$1.29M 26,640 +7,456 +39%
Wellington Management Group
36
Wellington Management Group
Massachusetts
$1.18M 23,727 -425,372 -95%
Public Sector Pension Investment Board (PSP Investments)
37
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$984K 19,884 +433 +2%
PRCM
38
Pine River Capital Management
Minnesota
$967K 19,533 +19,533 New
JPMorgan Chase & Co
39
JPMorgan Chase & Co
New York
$938K 18,943 -3,642 -16%
SONJCPFA
40
State of New Jersey Common Pension Fund A
New Jersey
$908K 18,333
New York State Common Retirement Fund
41
New York State Common Retirement Fund
New York
$898K 18,144
Prudential Financial
42
Prudential Financial
New Jersey
$885K 17,887 -567 -3%
Goldman Sachs
43
Goldman Sachs
New York
$817K 16,503 -5,062 -23%
PGIM
44
Pacific Global Investment Management
California
$810K 16,345 -1,807 -10%
California State Teachers Retirement System (CalSTRS)
45
California State Teachers Retirement System (CalSTRS)
California
$794K 16,041 +80 +0.5%
Citadel Advisors
46
Citadel Advisors
Florida
$772K 15,598 +11,431 +274%
PPA
47
Parametric Portfolio Associates
Washington
$768K 15,515 +1,445 +10%
D.E. Shaw & Co
48
D.E. Shaw & Co
New York
$758K 15,315 -2,828 -16%
AllianceBernstein
49
AllianceBernstein
Tennessee
$750K 15,160 -2,063 -12%
Millennium Management
50
Millennium Management
New York
$730K 14,745 +8,669 +143%