IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

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40 hedge funds and large institutions have $18.9M invested in ION Geophysical Corporation in 2021 Q2 according to their latest regulatory filings, with 11 funds opening new positions, 7 increasing their positions, 10 reducing their positions, and 9 closing their positions.

Holders
40
Holders Change
+2
Holders Change %
+5.26%
% of All Funds
0.7%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.02%
New
11
Increased
7
Reduced
10
Closed
9
Calls
$1.85M
Puts
$210K
Net Calls
+$1.64M
Net Calls Change
+$347K

Top Buyers

1
GCM
1
Gates Capital Management
New York
$9.85M
2
UFM
2
Ursa Fund Management
California
$2.2M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$1.77M
4
CM
4
Caption Management
Oklahoma
$181K
5
DCM
5
Dupont Capital Management
Delaware
$135K

Top Sellers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$831K
2
Morgan Stanley
2
Morgan Stanley
New York
$488K
3
Millennium Management
3
Millennium Management
New York
$169K
4
Susquehanna International Group
4
Susquehanna International Group
Pennsylvania
$176K
5
FMII
5
Farmers & Merchants Investments Inc
Nebraska
$0
Name Market Value Shares Shares
Change 		Shares
Change %
GCM
1
Gates Capital Management
New York
$9.85M 4,713,354 +4,713,354 New
UFM
2
Ursa Fund Management
California
$2.2M 1,050,000 +1,050,000 New
Vanguard Group
3
Vanguard Group
Pennsylvania
$1.77M 846,529 +377,489 +80%
Renaissance Technologies
4
Renaissance Technologies
New York
$831K 397,627 -492,640 -55%
Deutsche Bank
5
Deutsche Bank
Germany
$627K 300,000 – –
Neuberger Berman Group
6
Neuberger Berman Group
New York
$552K 263,843 -9,226 -3%
Morgan Stanley
7
Morgan Stanley
New York
$488K 233,330 -118,922 -34%
BlackRock
8
BlackRock
New York
$421K 201,439 +20,573 +11%
BCM
9
Bridgeway Capital Management
Texas
$266K 127,400 – –
Geode Capital Management
10
Geode Capital Management
Massachusetts
$264K 126,736 +45,440 +56%
Squarepoint
11
Squarepoint
New York
$190K 90,914 -9,190 -9%
CM
12
Caption Management
Oklahoma
$181K 86,790 +86,790 New
Susquehanna International Group
13
Susquehanna International Group
Pennsylvania
$176K 84,377 -23,615 -22%
Millennium Management
14
Millennium Management
New York
$169K 81,082 -76,923 -49%
DCM
15
Dupont Capital Management
Delaware
$135K 64,534 +58,001 +888%
RJFSA
16
Raymond James Financial Services Advisors
Florida
$130K 61,970 +12,000 +24%
PI
17
PEAK6 Investments
Illinois
$114K 54,483 +54,483 New
Northern Trust
18
Northern Trust
Illinois
$111K 52,996 +18,603 +54%
CA
19
Cetera Advisors
Colorado
$88K 41,940 – –
State Street
20
State Street
Massachusetts
$69K 32,810 +32,810 New
Wells Fargo
21
Wells Fargo
California
$64K 30,566 +70 +0.2%
SWM
22
SeaCrest Wealth Management
New York
$52K 25,000 – –
Bank of New York Mellon
23
Bank of New York Mellon
New York
$44K 20,851 -2,975 -12%
OQS
24
Occudo Quantitative Strategies
Florida
$29K 14,056 +14,056 New
Dimensional Fund Advisors
25
Dimensional Fund Advisors
Texas
$26K 12,587 – –
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