IO

ION Geophysical Corporation
IO

Overview Fund Activity
Delisted

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

Back to rankings

50 hedge funds and large institutions have $20.6M invested in ION Geophysical Corporation in 2017 Q1 according to their latest regulatory filings, with 10 funds opening new positions, 13 increasing their positions, 15 reducing their positions, and 22 closing their positions.

Holders
50
Holders Change
-16
Holders Change %
-24.24%
% of All Funds
1.25%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
10
Increased
13
Reduced
15
Closed
22
Calls
–
Puts
$21K
Net Calls
-$21K
Net Calls Change
+$68K

Top Buyers

1
GCM
1
Gates Capital Management
New York
$2.83M
2
BlackRock
2
BlackRock
New York
$916K
3
BCM
3
Bridgeway Capital Management
Texas
$755K
4
California Public Employees Retirement System
4
California Public Employees Retirement System
California
$213K
5
ARTA
5
A.R.T. Advisors
New York
$202K

Top Sellers

1
Norges Bank
1
Norges Bank
Norway
$0
2
Fuller & Thaler Asset Management
2
Fuller & Thaler Asset Management
California
$0
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$1.75M
4
Goldman Sachs
4
Goldman Sachs
New York
$281K
5
SIM
5
Spark Investment Management
New York
$313K
Name Market Value Shares Shares
Change 		Shares
Change %
CS
51
Credit Suisse
Switzerland
– – -10,760 Closed
Two Sigma Investments
52
Two Sigma Investments
New York
– – -10,603 Closed
AIM
53
Acrospire Investment Management
Illinois
– – -10,240 Closed
Walleye Trading
54
Walleye Trading
New York
– – -7,900 Closed
TDC
55
Thompson Davis & Co
Virginia
– – -5,516 Closed
Russell Investments Group
56
Russell Investments Group
United Kingdom
– – -4,539 Closed
BGIM
57
Brandywine Global Investment Management
Pennsylvania
– – -4,470 Closed
NFA
58
Nationwide Fund Advisors
Ohio
– – -3,369 Closed
Acadian Asset Management
59
Acadian Asset Management
Massachusetts
– – -2,404 Closed
Simplex Trading
60
Simplex Trading
Illinois
– – -646 Closed
LYV
61
Live Your Vision
Pennsylvania
– – -600 Closed
PCM
62
Prelude Capital Management
New York
– – -600 Closed
TWA
63
TCI Wealth Advisors
Arizona
– – -333 Closed
ECM
64
Elgethun Capital Management
South Dakota
– – -133 Closed
AG
65
Advisor Group
Arizona
– – -73 Closed
US Bancorp
66
US Bancorp
Minnesota
$0 6 -6 -50%
Manulife (Manufacturers Life Insurance)
67
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$0 47 – –
IA
68
IFP Advisors
Florida
$0 32 – –
Group One Trading
69
Group One Trading
Illinois
– – – –
WAM
70
Wolverine Asset Management
Illinois
– – – –
FIB
71
First Interstate Bank
Montana
$0 6 +6 New
ASN
72
Advisory Services Network
Georgia
$0 25 +25 New
GT
73
Glenmede Trust
Pennsylvania
$0 41 +41 New
WAM
74
Wealthspire Advisors (Maryland)
Maryland
$0 95 +95 New
1 2
3