IO

ION Geophysical Corporation

Delisted

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

58 hedge funds and large institutions have $47.2M invested in ION Geophysical Corporation in 2019 Q2 according to their latest regulatory filings, with 13 funds opening new positions, 17 increasing their positions, 18 reducing their positions, and 20 closing their positions.

Holders
58
Holders Change
-11
Holders Change %
-15.94%
% of All Funds
1.26%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
13
Increased
17
Reduced
18
Closed
20
Calls
$2.72M
Puts
$255K
Net Calls
+$2.47M
Net Calls Change
-$3.55M
Name Holding Trade Value Shares
Change
Shares
Change %
MAM
51
Meeder Asset Management
Ohio
$4K +$945 +120 +31%
Royal Bank of Canada
52
Royal Bank of Canada
Ontario, Canada
$3K +$148 +19 +5%
PA
53
Parallel Advisors
California
$1K +$1K +83 New
Charles Schwab
54
Charles Schwab
California
-$373K -25,776 Closed
American Century Companies
55
American Century Companies
Missouri
-$252K -17,446 Closed
California State Teachers Retirement System (CalSTRS)
56
California State Teachers Retirement System (CalSTRS)
California
-$235K -16,272 Closed
PP
57
PDT Partners
New York
-$213K -14,743 Closed
RhumbLine Advisers
58
RhumbLine Advisers
Massachusetts
-$201K -13,887 Closed
New York State Common Retirement Fund
59
New York State Common Retirement Fund
New York
-$170K -11,800 Closed
EMG
60
Ellington Management Group
Connecticut
-$166K -11,500 Closed
D.E. Shaw & Co
61
D.E. Shaw & Co
New York
-$156K -10,789 Closed
AQR Capital Management
62
AQR Capital Management
Connecticut
-$150K -10,368 Closed
AIG
63
American International Group
New York
-$98K -6,780 Closed
SEI Investments
64
SEI Investments
Pennsylvania
-$26K -2,244 Closed
PNC Financial Services Group
65
PNC Financial Services Group
Pennsylvania
-$22K -1,528 Closed
MWNA
66
Marshall Wace North America
New York
-$16K -1,096 Closed
CG
67
Cutler Group
California
-$14K -1,000 Closed
AIP
68
Ameritas Investment Partners
Nebraska
-$14K -954 Closed
Twin Tree Management
69
Twin Tree Management
Texas
-$8K -536 Closed
CAM
70
Cresset Asset Management
Illinois
-$1K -79 Closed
KPW
71
Kore Private Wealth
New York
-$1K -66 Closed
PCMK
72
Paragon Capital Management (Kansas)
Kansas
-$1K -44 Closed