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Cogent Communications

Name Holding Trade Value Shares
Change
Change in
Stake
FCM
1
Frontier Capital Management
Massachusetts
$147M -$3.01M -88,149 -2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$96.7M +$312K +9,133 +0.3%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$92.5M +$32M +938,120 +52%
CWAM
4
Columbia Wanger Asset Management
Illinois
$74.8M
State of New Jersey Common Pension Fund D
5
State of New Jersey Common Pension Fund D
New Jersey
$57.1M +$12.6M +370,000 +28%
JCAM
6
Jericho Capital Asset Management
New York
$51.4M -$20.1M -587,485 -28%
Renaissance Technologies
7
Renaissance Technologies
New York
$51.3M -$4.91M -143,800 -9%
ACM
8
Archer Capital Management
New York
$40.5M +$41.2M +1,205,353 New
TCM
9
TimesSquare Capital Management
New York
$38.8M +$39.4M +1,154,300 New
BIT
10
BlackRock Institutional Trust
California
$38.7M -$3.1M -90,884 -7%
Jennison Associates
11
Jennison Associates
New York
$38.2M -$8.28M -242,435 -18%
Canada Life
12
Canada Life
Manitoba, Canada
$38.2M +$5.9M +172,681 +18%
Capital World Investors
13
Capital World Investors
California
$38.1M
BFA
14
BlackRock Fund Advisors
California
$35M -$882K -25,816 -2%
TCM
15
Tekne Capital Management
New York
$29.8M
Westfield Capital Management
16
Westfield Capital Management
Massachusetts
$29M +$6.49M +189,906 +28%
State Street
17
State Street
Massachusetts
$26.5M -$998K -29,235 -4%
Ameriprise
18
Ameriprise
Minnesota
$24.3M +$3.67M +107,501 +17%
NM
19
Nokota Management
New York
$20.8M
HCCM
20
Herring Creek Capital Management
Connecticut
$20.3M +$20.6M +602,775 New
LI
21
LMCG Investments
Massachusetts
$19.9M +$4.74M +138,927 +31%
Northern Trust
22
Northern Trust
Illinois
$19.7M -$707K -20,704 -3%
Dimensional Fund Advisors
23
Dimensional Fund Advisors
Texas
$17.7M +$3.29M +96,297 +22%
Citadel Advisors
24
Citadel Advisors
Florida
$16.6M -$5.09M -149,116 -23%
SRFM
25
Shannon River Fund Management
New York
$16.6M -$6.76M -197,900 -29%