IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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35 hedge funds and large institutions have $7.21M invested in ION Geophysical Corporation in 2021 Q3 according to their latest regulatory filings, with 5 funds opening new positions, 9 increasing their positions, 9 reducing their positions, and 10 closing their positions.

Holders
35
Holders Change
-5
Holders Change %
-12.5%
% of All Funds
0.61%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
5
Increased
9
Reduced
9
Closed
10
Calls
$352K
Puts
$55K
Net Calls
+$297K
Net Calls Change
-$1.34M

Top Buyers

1
ACM
1
Arlington Capital Management
Illinois
$176K
2
Susquehanna International Group
2
Susquehanna International Group
Pennsylvania
$200K
3
Group One Trading
3
Group One Trading
Illinois
$84K
4
Citadel Advisors
4
Citadel Advisors
Florida
$91K
5
Geode Capital Management
5
Geode Capital Management
Massachusetts
$228K

Top Sellers

1
GCM
1
Gates Capital Management
New York
$3.93M
2
UFM
2
Ursa Fund Management
California
$0
3
Deutsche Bank
3
Deutsche Bank
Germany
$0
4
Renaissance Technologies
4
Renaissance Technologies
New York
$27K
5
Morgan Stanley
5
Morgan Stanley
New York
$14K
Name Market Value Shares Shares
Change 		Shares
Change %
GCM
1
Gates Capital Management
New York
$3.93M 2,953,850 -1,759,504 -37%
Vanguard Group
2
Vanguard Group
Pennsylvania
$1.18M 885,730 +39,201 +5%
Neuberger Berman Group
3
Neuberger Berman Group
New York
$334K 251,212 -12,631 -5%
BlackRock
4
BlackRock
New York
$272K 204,407 +2,968 +1%
Geode Capital Management
5
Geode Capital Management
Massachusetts
$228K 171,951 +45,215 +36%
Susquehanna International Group
6
Susquehanna International Group
Pennsylvania
$200K 150,040 +65,663 +78%
ACM
7
Arlington Capital Management
Illinois
$176K 132,080 +132,080 New
DCM
8
Dupont Capital Management
Delaware
$94K 71,034 +6,500 +10%
Citadel Advisors
9
Citadel Advisors
Florida
$91K 68,255 +56,715 +491%
Group One Trading
10
Group One Trading
Illinois
$84K 63,148 +63,148 New
RJFSA
11
Raymond James Financial Services Advisors
Florida
$82K 61,970 – –
Northern Trust
12
Northern Trust
Illinois
$70K 52,996 – –
Squarepoint
13
Squarepoint
New York
$63K 47,495 -43,419 -48%
VF
14
Virtu Financial
New York
$59K 44,041 +44,041 New
CA
15
Cetera Advisors
Colorado
$57K 42,940 +1,000 +2%
Millennium Management
16
Millennium Management
New York
$51K 38,149 -42,933 -53%
State Street
17
State Street
Massachusetts
$44K 32,810 – –
Wells Fargo
18
Wells Fargo
California
$40K 30,495 -71 -0.2%
CM
19
Caption Management
Oklahoma
$34K 25,549 -61,241 -71%
SWM
20
SeaCrest Wealth Management
New York
$33K 25,000 – –
UBS Group
21
UBS Group
Switzerland
$29K 22,143 +16,969 +328%
Renaissance Technologies
22
Renaissance Technologies
New York
$27K 20,192 -377,435 -95%
Morgan Stanley
23
Morgan Stanley
New York
$14K 10,871 -222,459 -95%
Simplex Trading
24
Simplex Trading
Illinois
$10K 4,792 – –
Bank of New York Mellon
25
Bank of New York Mellon
New York
$6K 4,530 -16,321 -78%
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