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Cogent Communications

Name Holding Trade Value Shares
Change
Change in
Stake
FCM
1
Frontier Capital Management
Massachusetts
$160M +$1.65M +42,241 +0.9%
SAS
2
Sarbit Advisory Services
Manitoba, Canada
$122M -$12.6M -321,871 -10%
Vanguard Group
3
Vanguard Group
Pennsylvania
$101M +$2.06M +52,719 +2%
CWAM
4
Columbia Wanger Asset Management
Illinois
$79.1M
JCAM
5
Jericho Capital Asset Management
New York
$69.2M +$10.7M +275,000 +16%
Renaissance Technologies
6
Renaissance Technologies
New York
$58.9M +$7.69M +197,000 +13%
BIT
7
BlackRock Institutional Trust
California
$58.3M +$14.9M +380,731 +30%
Jennison Associates
8
Jennison Associates
New York
$49.1M -$49.2M -1,258,410 -48%
BFA
9
BlackRock Fund Advisors
California
$42.7M +$794K +20,328 +2%
Capital World Investors
10
Capital World Investors
California
$40.3M
Fidelity Investments
11
Fidelity Investments
Massachusetts
$37.8M +$8.57M +219,350 +26%
SRFM
12
Shannon River Fund Management
New York
$36.4M -$8.66M -221,700 -18%
Canada Life
13
Canada Life
Manitoba, Canada
$33.3M +$969K +24,800 +3%
TCM
14
Tekne Capital Management
New York
$29.6M +$13.4M +341,956 +70%
State Street
15
State Street
Massachusetts
$29.4M +$125K +3,207 +0.4%
Capital Research Global Investors
16
Capital Research Global Investors
California
$28.1M +$2.68M +68,600 +9%
Ameriprise
17
Ameriprise
Minnesota
$27.5M +$4.45M +114,031 +17%
FAM
18
Fred Alger Management
New York
$25.7M -$50.8M -1,299,758 -64%
SONJCPFA
19
State of New Jersey Common Pension Fund A
New Jersey
$25.6M +$28.1M +720,000 New
Northern Trust
20
Northern Trust
Illinois
$24.1M -$931K -23,847 -3%
Thrivent Financial for Lutherans
21
Thrivent Financial for Lutherans
Minnesota
$22.7M +$9.45M +241,830 +61%
Westfield Capital Management
22
Westfield Capital Management
Massachusetts
$21.2M +$23.3M +595,870 New
Citadel Advisors
23
Citadel Advisors
Florida
$20.1M +$258K +6,596 +1%
Marshall Wace
24
Marshall Wace
United Kingdom
$17.2M +$19M +485,254 New
Norges Bank
25
Norges Bank
Norway
$15.8M