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Cogent Communications

Name Holding Trade Value Shares
Change
Change in
Stake
ACMM
151
Arbor Capital Management (Minnesota)
Minnesota
– -$7.54M -218,158 Closed
BCMU
152
BlueCrest Capital Management (UK)
Guernsey
– -$6.05M -175,000 Closed
RP
153
Realm Partners
New York
– -$2.09M -60,465 Closed
D.E. Shaw & Co
154
D.E. Shaw & Co
New York
– -$1.98M -57,203 Closed
CCIA
155
Campbell & Co Investment Adviser
Maryland
– -$1.76M -51,065 Closed
CSS
156
Cubist Systematic Strategies
Connecticut
– -$1.08M -31,328 Closed
Susquehanna International Group
157
Susquehanna International Group
Pennsylvania
– -$891K -26,101 Closed
SCA
158
Secor Capital Advisors
New York
– -$858K -24,830 Closed
JP Morgan Chase
159
JP Morgan Chase
New York
– -$841K -24,349 Closed
TAM
160
Tocqueville Asset Management
New York
– -$773K -22,372 Closed
QSS
161
Quantitative Systematic Strategies
Florida
– -$712K -21,042 Closed
AA
162
Ancora Advisors
Ohio
– -$691K -20,000 Closed
Nomura Holdings
163
Nomura Holdings
Japan
– -$682K -19,775 Closed
HI
164
HBK Investments
Texas
– -$483K -13,986 Closed
NCCM
165
Nine Chapters Capital Management
New Jersey
– -$460K -13,300 Closed
PP
166
PDT Partners
New York
– -$427K -12,373 Closed
Prudential Financial
167
Prudential Financial
New Jersey
– -$353K -10,221 Closed
ARTA
168
A.R.T. Advisors
New York
– -$294K -8,529 Closed
PAM
169
Princeton Alpha Management
New Jersey
– -$285K -8,239 Closed
PP
170
Paloma Partners
Connecticut
– -$252K -7,293 Closed
DTL
171
Dynamic Technology Lab
Singapore
– -$232K -6,701 Closed
VFA
172
Virtus Fund Advisers
Connecticut
– -$137K -3,977 Closed
SG Americas Securities
173
SG Americas Securities
New York
– -$132K -3,808 Closed
BRWA
174
B. Riley Wealth Advisors
Florida
– -$80.1K -2,319 Closed
PG
175
PEAK6 Group
Illinois
– -$29.8K -872 Closed