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Cogent Communications

Name Holding Trade Value Shares
Change
Change in
Stake
FCM
1
Frontier Capital Management
Massachusetts
$159M -$2.68M -73,226 -2%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$146M +$21.1M +576,808 +16%
Vanguard Group
3
Vanguard Group
Pennsylvania
$115M +$12.1M +330,745 +11%
State of New Jersey Common Pension Fund D
4
State of New Jersey Common Pension Fund D
New Jersey
$60.1M
CWAM
5
Columbia Wanger Asset Management
Illinois
$59.7M -$23M -628,000 -27%
BFA
6
BlackRock Fund Advisors
California
$50.5M +$7.58M +207,250 +17%
Renaissance Technologies
7
Renaissance Technologies
New York
$47M -$2.81M -76,800 -5%
Canada Life
8
Canada Life
Manitoba, Canada
$43.2M -$3.5M -95,625 -7%
TCM
9
TimesSquare Capital Management
New York
$42.5M +$1.15M +31,400 +3%
Capital World Investors
10
Capital World Investors
California
$40.1M
BIT
11
BlackRock Institutional Trust
California
$40M +$226K +6,192 +0.6%
FAM
12
Foxhaven Asset Management
Virginia
$37.8M +$5.15M +140,803 +15%
Jennison Associates
13
Jennison Associates
New York
$36.1M -$1.11M -30,442 -3%
State Street
14
State Street
Massachusetts
$29.8M +$1.26M +34,572 +4%
TCM
15
Tekne Capital Management
New York
$27.8M -$2.17M -59,298 -7%
WHRC
16
W.H. Reaves & Co
New Jersey
$27.5M +$19.9M +544,080 +233%
Dimensional Fund Advisors
17
Dimensional Fund Advisors
Texas
$27M +$3.62M +99,074 +15%
Northern Trust
18
Northern Trust
Illinois
$25.2M +$2.82M +77,058 +12%
ACM
19
Archer Capital Management
New York
$24.4M -$18.4M -502,853 -42%
Westfield Capital Management
20
Westfield Capital Management
Massachusetts
$24.1M +$3.22M +88,105 +15%
RIM
21
RS Investment Management
California
$22.6M +$2.62M +71,520 +13%
LI
22
LMCG Investments
Massachusetts
$22.1M -$372K -10,166 -2%
UM
23
Ulysses Management
New York
$20.5M
NM
24
Nokota Management
New York
$18.4M -$1.83M -50,000 -9%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$18.2M +$572K +15,628 +3%