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PTC Therapeutics

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$261M +$25.5M +580,004 +13%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$121M -$2.07K -47 -0%
BCPEM
3
Bain Capital Public Equity Management
Massachusetts
$108M -$34.3M -780,093 -27%
BB
4
BB Biotech
Switzerland
$63.6M +$54.1M +1,227,912 New
CS
5
Credit Suisse
Switzerland
$61.3M -$16.7M -379,669 -24%
Vanguard Group
6
Vanguard Group
Pennsylvania
$60.8M +$26.8M +609,178 +108%
SAM
7
Sectoral Asset Management
Quebec, Canada
$58.8M -$8.24M -187,268 -14%
BFA
8
BlackRock Fund Advisors
California
$56.4M +$8.43M +191,574 +21%
GIM
9
Granahan Investment Management
Massachusetts
$45M -$462K -10,501 -1%
Westfield Capital Management
10
Westfield Capital Management
Massachusetts
$37.9M +$455K +10,330 +1%
State Street
11
State Street
Massachusetts
$36M -$5.54M -125,917 -15%
PA
12
Perceptive Advisors
New York
$34.8M
CCI
13
Columbus Circle Investors
$32.5M +$26.8M +608,587 +3,240%
JHIU
14
Janus Henderson Investors US
Colorado
$31.5M +$1.8M +40,807 +7%
TAM
15
Tocqueville Asset Management
New York
$31.2M +$1.41M +32,008 +6%
CCM
16
Camber Capital Management
Massachusetts
$27.2M +$16.1M +366,851 +232%
BIT
17
BlackRock Institutional Trust
California
$21.2M +$7.26M +165,005 +67%
Franklin Resources
18
Franklin Resources
California
$20.6M
Wells Fargo
19
Wells Fargo
California
$18.3M +$13.7M +311,067 +749%
O
20
OppenheimerFunds
New York
$16.4M +$14M +317,350 New
UBS AM
21
UBS AM
Illinois
$15.8M +$1.36M +31,000 +11%
BA
22
BlackRock Advisors
Delaware
$15.5M +$12.7M +288,485 +2,550%
Northern Trust
23
Northern Trust
Illinois
$14.8M +$1M +22,768 +9%
Loomis, Sayles & Company
24
Loomis, Sayles & Company
Massachusetts
$13.7M +$1.38M +31,312 +13%
Citadel Advisors
25
Citadel Advisors
Florida
$13.2M +$741K +16,837 +7%