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Cogent Communications

Name Holding Trade Value Shares
Change
Change in
Stake
FCM
1
Frontier Capital Management
Massachusetts
$180M +$11.9M +328,184 +8%
SAS
2
Sarbit Advisory Services
Manitoba, Canada
$143M +$1.64M +45,101 +1%
Vanguard Group
3
Vanguard Group
Pennsylvania
$113M +$2.69M +73,891 +3%
Jennison Associates
4
Jennison Associates
New York
$107M -$6M -164,769 -6%
CWAM
5
Columbia Wanger Asset Management
Illinois
$90M
FAM
6
Fred Alger Management
New York
$81.7M +$6.53M +179,339 +10%
JCAM
7
Jericho Capital Asset Management
New York
$67.6M
Renaissance Technologies
8
Renaissance Technologies
New York
$59M +$12.7M +348,600 +31%
BIT
9
BlackRock Institutional Trust
California
$50.9M -$1.29M -35,503 -3%
SRFM
10
Shannon River Fund Management
New York
$50.4M +$1.65M +45,200 +4%
BFA
11
BlackRock Fund Advisors
California
$47.8M -$1.61M -44,177 -4%
Capital World Investors
12
Capital World Investors
California
$45.9M
Canada Life
13
Canada Life
Manitoba, Canada
$37.1M +$9.91M +272,428 +42%
Fidelity Investments
14
Fidelity Investments
Massachusetts
$34.2M -$4.49M -123,430 -13%
State Street
15
State Street
Massachusetts
$33.3M -$317K -8,713 -1%
Capital Research Global Investors
16
Capital Research Global Investors
California
$29.2M
Northern Trust
17
Northern Trust
Illinois
$28.3M -$727K -19,967 -3%
Ameriprise
18
Ameriprise
Minnesota
$26.6M -$4.64M -127,601 -16%
Citadel Advisors
19
Citadel Advisors
Florida
$22.6M -$2.38M -65,373 -10%
ACMM
20
Arbor Capital Management (Minnesota)
Minnesota
$22.4M +$882K +24,235 +5%
Bank of New York Mellon
21
Bank of New York Mellon
New York
$22.2M -$82.2K -2,258 -0.4%
EAM
22
Eagle Asset Management
Florida
$20.6M -$6.33M -173,863 -25%
CAM
23
Contour Asset Management
New York
$20.4M +$1.96M +53,717 +12%
TCM
24
Tekne Capital Management
New York
$19.8M +$17.8M +490,055 New
Norges Bank
25
Norges Bank
Norway
$17.9M -$555K -15,248 -3%