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PTC Therapeutics

Name Holding Trade Value Shares
Change
Change in
Stake
Wellington Management Group
1
Wellington Management Group
Massachusetts
$38.8M -$11.5M -1,091,760 -23%
Vanguard Group
2
Vanguard Group
Pennsylvania
$20.9M +$727K +69,261 +4%
BFA
3
BlackRock Fund Advisors
California
$17.1M +$1.92M +183,375 +13%
Millennium Management
4
Millennium Management
New York
$16.8M +$13.5M +1,291,030 +528%
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$16.4M +$7.89M +751,735 +100%
FCM
6
Frontier Capital Management
Massachusetts
$14.9M +$2.06M +196,359 +17%
RI
7
RTW Investments
New York
$10.9M +$10.5M +997,166 New
BIT
8
BlackRock Institutional Trust
California
$10.7M +$880K +83,844 +9%
TAM
9
Tocqueville Asset Management
New York
$8.57M -$4.08M -388,755 -33%
BIM
10
Bogle Investment Management
Massachusetts
$8.25M +$590K +56,275 +8%
Fidelity Investments
11
Fidelity Investments
Massachusetts
$7.99M +$5.05M +481,556 +192%
BB
12
BB Biotech
Switzerland
$7.45M -$5.25M -500,000 -42%
JP Morgan Chase
13
JP Morgan Chase
New York
$6.76M -$125K -11,887 -2%
KCM
14
Kingdon Capital Management
New York
$6.6M +$6.35M +605,000 New
UBS AM
15
UBS AM
Illinois
$6.55M -$78.3K -7,465 -1%
State Street
16
State Street
Massachusetts
$6.48M -$681K -64,950 -10%
NI
17
Numeric Investors
Massachusetts
$6.2M +$5.96M +568,319 New
Northern Trust
18
Northern Trust
Illinois
$6.15M +$173K +16,489 +3%
Bank of America
19
Bank of America
North Carolina
$5.72M +$316K +30,083 +6%
ACM
20
Asymmetry Capital Management
California
$5.29M -$872K -83,104 -15%
BA
21
BlackRock Advisors
Delaware
$4.84M -$3.1M -295,126 -40%
SA
22
Sicart Associates
New York
$4.7M +$4.52M +431,135 New
Deutsche Bank
23
Deutsche Bank
Germany
$4.39M -$3.12M -296,983 -42%
PA
24
Pinnacle Associates
New York
$3.83M -$282K -26,887 -7%
Dimensional Fund Advisors
25
Dimensional Fund Advisors
Texas
$3.41M -$10.1K -958 -0.3%