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Ribbon Communications

Name Holding Trade Value Shares
Change
Change in
Stake
California Public Employees Retirement System
126
California Public Employees Retirement System
California
-$1.15M -139,800 Closed
E
127
Ergoteles
New York
-$1.03M -125,100 Closed
Assenagon Asset Management
128
Assenagon Asset Management
Luxembourg
-$879K -107,083 Closed
OAM
129
Oberweis Asset Management
Illinois
-$832K -101,400 Closed
MSL
130
Mackay Shields LLC
New York
-$580K -70,600 Closed
EGM
131
Engineers Gate Manager
New York
-$533K -64,923 Closed
Simplex Trading
132
Simplex Trading
Illinois
-$405K -52,940 Closed
CSS
133
Cubist Systematic Strategies
Connecticut
-$314K -38,287 Closed
UBS Group
134
UBS Group
Switzerland
-$253K -33,055 -100%
CC
135
Cipher Capital
New York
-$271K -33,051 Closed
Ameriprise
136
Ameriprise
Minnesota
-$231K -28,169 Closed
HF
137
HRT Financial
New York
-$229K -27,949 Closed
Two Sigma Investments
138
Two Sigma Investments
New York
-$167K -20,283 Closed
Qube Research & Technologies (QRT)
139
Qube Research & Technologies (QRT)
United Kingdom
-$162K -19,787 Closed
Wolverine Trading
140
Wolverine Trading
Illinois
-$140K -18,294 Closed
Marshall Wace
141
Marshall Wace
United Kingdom
-$148K -18,082 Closed
BC
142
Bridgefront Capital
Texas
-$138K -16,845 Closed
AIM
143
Aigen Investment Management
New York
-$120K -14,652 Closed
MWNA
144
Marshall Wace North America
New York
-$118K -14,333 Closed
BCM
145
Bayesian Capital Management
New York
-$114K -13,904 Closed
XT
146
XTX Topco
Cayman Islands
-$113K -13,723 Closed
SG Americas Securities
147
SG Americas Securities
New York
-$111K -13,566 Closed
Lazard Asset Management
148
Lazard Asset Management
New York
-$98K -11,966 Closed
CCIA
149
Campbell & Co Investment Adviser
Maryland
-$85K -10,400 Closed
SFS
150
Sowell Financial Services
Arkansas
-$18K -2,762 Closed