IO

ION Geophysical Corporation

Delisted

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

38 hedge funds and large institutions have $7.18M invested in ION Geophysical Corporation in 2021 Q1 according to their latest regulatory filings, with 9 funds opening new positions, 13 increasing their positions, 7 reducing their positions, and 7 closing their positions.

Holders
38
Holders Change
+2
Holders Change %
+5.56%
% of All Funds
0.67%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
9
Increased
13
Reduced
7
Closed
7
Calls
$2.72M
Puts
$1.43M
Net Calls
+$1.29M
Net Calls Change
+$1.07M
Name Market Value Shares Shares
Change
Shares
Change %
Renaissance Technologies
1
Renaissance Technologies
New York
$1.91M 890,267 -114,000 -11%
Vanguard Group
2
Vanguard Group
Pennsylvania
$1M 469,040 +14,800 +3%
Morgan Stanley
3
Morgan Stanley
New York
$754K 352,252 +351,505 +47,056%
Deutsche Bank
4
Deutsche Bank
Germany
$642K 300,000
Neuberger Berman Group
5
Neuberger Berman Group
New York
$584K 273,069 -10,949 -4%
BlackRock
6
BlackRock
New York
$387K 180,866 -26,995 -13%
Millennium Management
7
Millennium Management
New York
$338K 158,005 +125,005 +379%
BCM
8
Bridgeway Capital Management
Texas
$273K 127,400 +50,000 +65%
Susquehanna International Group
9
Susquehanna International Group
Pennsylvania
$231K 107,992 +60,434 +127%
Squarepoint
10
Squarepoint
New York
$214K 100,104 +73,387 +275%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$173K 81,296
RJFSA
12
Raymond James Financial Services Advisors
Florida
$107K 49,970
CA
13
Cetera Advisors
Colorado
$90K 41,940 +41,940 New
Northern Trust
14
Northern Trust
Illinois
$74K 34,393 +56 +0.2%
Wells Fargo
15
Wells Fargo
California
$65K 30,496 +14 +0%
SWM
16
SeaCrest Wealth Management
New York
$54K 25,000 +15,000 +150%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$51K 23,826 +769 +3%
FMII
18
Farmers & Merchants Investments Inc
Nebraska
$44K 20,763
VF
19
Virtu Financial
New York
$38K 17,811 +17,811 New
SFI
20
Susquehanna Fundamental Investments
Pennsylvania
$30K 13,896 -3,980 -22%
California Public Employees Retirement System
21
California Public Employees Retirement System
California
$30K 13,866
Dimensional Fund Advisors
22
Dimensional Fund Advisors
Texas
$27K 12,587 +12,587 New
TRCT
23
Tower Research Capital (TRC)
New York
$21K 9,833 +6,529 +198%
DCM
24
Dupont Capital Management
Delaware
$14K 6,533 -150 -2%
UBS Group
25
UBS Group
Switzerland
$13K 6,125 +324 +6%