IO

ION Geophysical Corporation

Delisted

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

146 hedge funds and large institutions have $443M invested in ION Geophysical Corporation in 2014 Q2 according to their latest regulatory filings, with 16 funds opening new positions, 45 increasing their positions, 53 reducing their positions, and 30 closing their positions.

Holders
146
Holders Change
-15
Holders Change %
-9.32%
% of All Funds
4.2%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
16
Increased
45
Reduced
53
Closed
30
Calls
$255K
Puts
$826K
Net Calls
-$571K
Net Calls Change
+$3.84M
Name Holding Trade Value Shares
Change
Shares
Change %
SCA
151
Secor Capital Advisors
New York
-$424K -6,716 Closed
Arrowstreet Capital
152
Arrowstreet Capital
Massachusetts
-$343K -5,429 Closed
WMSA
153
Weiss Multi-Strategy Advisers
New York
-$290K -4,586 Closed
HIM
154
Hillsdale Investment Management
Ontario, Canada
-$258K -4,087 Closed
JG
155
Jefferies Group
New York
-$222K -3,513 Closed
VRS
156
Virginia Retirement Systems
Virginia
-$190K -3,007 Closed
NCCM
157
Nine Chapters Capital Management
New Jersey
-$155K -2,453 Closed
Two Sigma Advisers
158
Two Sigma Advisers
New York
-$146K -2,313 Closed
Group One Trading
159
Group One Trading
Illinois
-$126K -1,999 Closed
CL
160
CSS LLC
Illinois
-$120K -1,893 Closed
TCOT
161
Trust Company of Toledo
Ohio
-$106K -1,678 Closed
Tudor Investment Corp
162
Tudor Investment Corp
Connecticut
-$93K -1,467 Closed
MNA
163
Manning & Napier Advisors
New York
-$85K -1,351 Closed
CA
164
Commerzbank Aktiengesellschaft
Germany
-$71K -1,122 Closed
SG Americas Securities
165
SG Americas Securities
New York
-$62K -977 Closed
MC
166
Menta Capital
California
-$57K -900 Closed
T
167
TradeWorx
New Jersey
-$55K -871 Closed
BF
168
BOK Financial
Oklahoma
-$51K -818 Closed
SBH
169
Segall Bryant & Hamill
Illinois
-$50K -792 Closed
SB
170
Suntrust Banks
Georgia
-$47K -760 Closed
PG
171
PEAK6 Group
Illinois
-$45K -712 Closed
BRWA
172
B. Riley Wealth Advisors
Florida
-$42K -667 Closed
PCM
173
Prelude Capital Management
New York
-$39K -620 Closed
Parallax Volatility Advisers
174
Parallax Volatility Advisers
California
-$4K -57 Closed
TRCT
175
Tower Research Capital (TRC)
New York
-$1K -8 Closed