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PTC Therapeutics

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$307M +$790K +12,955 +0.3%
Westfield Capital Management
2
Westfield Capital Management
Massachusetts
$143M +$98.4M +1,613,031 +221%
Wellington Management Group
3
Wellington Management Group
Massachusetts
$140M -$2.23M -36,626 -2%
BCPEM
4
Bain Capital Public Equity Management
Massachusetts
$100M -$26.3M -430,597 -21%
Vanguard Group
5
Vanguard Group
Pennsylvania
$99.2M +$27.8M +455,461 +39%
CS
6
Credit Suisse
Switzerland
$72.2M +$202K +3,314 +0.3%
BB
7
BB Biotech
Switzerland
$71.7M -$3.05M -50,000 -4%
BFA
8
BlackRock Fund Advisors
California
$67.6M +$1.29M +21,188 +2%
Wells Fargo
9
Wells Fargo
California
$60.7M +$39.3M +644,893 +183%
PI
10
Putnam Investments
Massachusetts
$51.6M +$38.4M +629,488 +287%
YCMGA
11
York Capital Management Global Advisors
New York
$50.4M +$50.5M +827,552 New
SAM
12
Sectoral Asset Management
Quebec, Canada
$45.8M -$23.3M -381,989 -34%
State Street
13
State Street
Massachusetts
$42.2M -$147K -2,413 -0.3%
JHIU
14
Janus Henderson Investors US
Colorado
$40.6M +$3.61M +59,110 +10%
BIT
15
BlackRock Institutional Trust
California
$35.1M +$10.2M +167,131 +41%
TAM
16
Tocqueville Asset Management
New York
$34.8M -$1.95M -31,885 -5%
BGIM
17
Brandywine Global Investment Management
Pennsylvania
$34.7M +$34.8M +569,575 New
CCI
18
Columbus Circle Investors
$29.1M -$9.11M -149,329 -24%
Franklin Resources
19
Franklin Resources
California
$24.2M
BA
20
BlackRock Advisors
Delaware
$22.7M +$4.44M +72,764 +24%
DLPIC
21
Davide Leone & Partners Investment Company
United Kingdom
$21M +$21.1M +345,847 New
JCI
22
Jet Capital Investors
New York
$18.9M +$18.9M +310,000 New
UBS AM
23
UBS AM
Illinois
$18.8M +$244K +4,000 +1%
Northern Trust
24
Northern Trust
Illinois
$18.4M +$1.03M +16,959 +6%
Lord, Abbett & Co
25
Lord, Abbett & Co
New Jersey
$18.3M +$10.8M +177,500 +145%