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PTC Therapeutics

Name Holding Trade Value Shares
Change
Change in
Stake
SCM
1
Scopia Capital Management
New York
$69.1M +$49.9M +2,949,141 +247%
RI
2
RTW Investments
New York
$68.9M +$10.7M +634,972 +18%
BlackRock
3
BlackRock
New York
$51.6M -$836K -49,377 -2%
Vanguard Group
4
Vanguard Group
Pennsylvania
$46.3M -$2.7M -159,638 -5%
State Street
5
State Street
Massachusetts
$45.4M +$16.4M +969,129 +55%
D.E. Shaw & Co
6
D.E. Shaw & Co
New York
$43.5M +$4.15M +245,464 +10%
BC
7
Boxer Capital
California
$29.2M +$8.46M +500,000 +40%
Fidelity Investments
8
Fidelity Investments
Massachusetts
$19.3M
GPP
9
Great Point Partners
Connecticut
$18.1M -$240K -14,200 -1%
SIM
10
Spark Investment Management
New York
$17.3M +$5.42M +320,200 +45%
Wellington Management Group
11
Wellington Management Group
Massachusetts
$14M -$5.24M -309,670 -27%
Goldman Sachs
12
Goldman Sachs
New York
$13.3M +$8.7M +514,068 +182%
Northern Trust
13
Northern Trust
Illinois
$11.1M -$162K -9,573 -1%
JGC
14
J. Goldman & Co
New York
$10.9M +$10.6M +625,104 +2,218%
Parallax Volatility Advisers
15
Parallax Volatility Advisers
California
$10.6M +$10.7M +633,384 New
Group One Trading
16
Group One Trading
Illinois
$9.5M +$8.1M +478,635 +527%
Bank of America
17
Bank of America
North Carolina
$9.41M +$3.07M +181,192 +47%
Millennium Management
18
Millennium Management
New York
$9.26M +$4.99M +294,572 +113%
ACM
19
Asymmetry Capital Management
California
$9.2M +$3.32M +196,102 +55%
Dimensional Fund Advisors
20
Dimensional Fund Advisors
Texas
$8.7M -$62.9K -3,718 -0.7%
Connor, Clark & Lunn Investment Management (CC&L)
21
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$8.44M +$1.3M +76,978 +18%
SAM
22
Sectoral Asset Management
Quebec, Canada
$6.22M +$3.42M +202,099 +119%
UBS AM
23
UBS AM
Illinois
$6.03M +$548K +32,396 +10%
Geode Capital Management
24
Geode Capital Management
Massachusetts
$5.26M -$811K -47,893 -13%
PA
25
Pinnacle Associates
New York
$4.83M -$497K -29,380 -9%