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PTC Therapeutics

Name Holding Trade Value Shares
Change
Change in
Stake
Wellington Management Group
1
Wellington Management Group
Massachusetts
$103M +$35.3M +1,198,425 +61%
Vanguard Group
2
Vanguard Group
Pennsylvania
$66.3M +$1.6M +54,416 +3%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$62.5M +$14.2M +482,214 +33%
Westfield Capital Management
4
Westfield Capital Management
Massachusetts
$60.7M +$18.3M +621,079 +50%
WRF
5
Waddell & Reed Financial
Kansas
$60.1M +$1.8M +61,184 +3%
SAM
6
Sectoral Asset Management
Quebec, Canada
$51.4M +$26.4M +895,894 +130%
State Street
7
State Street
Massachusetts
$49.3M +$10.6M +359,057 +31%
Wells Fargo
8
Wells Fargo
California
$47.5M -$13.1M -443,633 -23%
PI
9
Putnam Investments
Massachusetts
$47M +$13.9M +470,623 +48%
BB
10
BB Biotech
Switzerland
$42.2M
AllianceBernstein
11
AllianceBernstein
Tennessee
$41.6M +$7.49M +254,361 +25%
BFA
12
BlackRock Fund Advisors
California
$39.8M -$2.27M -77,231 -6%
Jennison Associates
13
Jennison Associates
New York
$33.2M +$10.5M +357,092 +54%
TAM
14
Tocqueville Asset Management
New York
$31.5M +$6.36M +216,065 +29%
CCI
15
Columbus Circle Investors
$28.6M +$12.1M +410,653 +87%
BIT
16
BlackRock Institutional Trust
California
$26.2M +$483K +16,416 +2%
BGIM
17
Brandywine Global Investment Management
Pennsylvania
$23.4M +$1.37M +46,572 +7%
JHIU
18
Janus Henderson Investors US
Colorado
$23.4M -$5.18M -175,906 -20%
BA
19
BlackRock Advisors
Delaware
$16.4M +$340K +11,568 +2%
CCM
20
Camber Capital Management
Massachusetts
$16.2M +$14.7M +500,000 New
YCMGA
21
York Capital Management Global Advisors
New York
$15.5M
UBS AM
22
UBS AM
Illinois
$15.4M -$566K -19,218 -4%
Northern Trust
23
Northern Trust
Illinois
$13.9M +$244K +8,295 +2%
Barclays
24
Barclays
United Kingdom
$13.8M +$2.45M +83,130 +24%
Franklin Resources
25
Franklin Resources
California
$12.9M