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PTC Therapeutics

Name Holding Trade Value Shares
Change
Change in
Stake
Wellington Management Group
1
Wellington Management Group
Massachusetts
$30.3M +$26.6M +1,532,712 +48%
SAM
2
Sectoral Asset Management
Quebec, Canada
$16.8M +$17.9M +1,028,983 +65%
Vanguard Group
3
Vanguard Group
Pennsylvania
$13.3M +$239K +13,784 +0.7%
TAM
4
Tocqueville Asset Management
New York
$9.58M +$8.96M +516,205 +53%
BFA
5
BlackRock Fund Advisors
California
$7.99M +$236K +13,593 +1%
BB
6
BB Biotech
Switzerland
$7.62M -$2.08M -120,000 -9%
Fidelity Investments
7
Fidelity Investments
Massachusetts
$7.32M -$13.8M -793,591 -41%
FCM
8
Frontier Capital Management
Massachusetts
$6.23M +$12.4M +715,383 +284%
Renaissance Technologies
9
Renaissance Technologies
New York
$6.11M +$16.5M +948,700 New
CCM
10
Camber Capital Management
Massachusetts
$5.76M +$6.84M +393,900 +79%
BIT
11
BlackRock Institutional Trust
California
$5.22M +$60K +3,459 +0.4%
BA
12
BlackRock Advisors
Delaware
$4.71M +$3.91M +225,467 +45%
State Street
13
State Street
Massachusetts
$4.19M -$15.1M -871,274 -57%
UBS AM
14
UBS AM
Illinois
$4.1M +$2.8M +161,590 +34%
Millennium Management
15
Millennium Management
New York
$3.57M +$9.61M +553,961 New
Northern Trust
16
Northern Trust
Illinois
$3.06M -$442K -25,470 -6%
PA
17
Pinnacle Associates
New York
$2.64M +$521K +30,020 +8%
Franklin Resources
18
Franklin Resources
California
$2.56M
PAMU
19
Pictet Asset Management (UK)
United Kingdom
$2.44M +$744K +42,847 +16%
Deutsche Bank
20
Deutsche Bank
Germany
$2.32M +$1.66M +95,708 +36%
Ameriprise
21
Ameriprise
Minnesota
$2.13M +$4.58M +263,811 +391%
Bank of America
22
Bank of America
North Carolina
$2.04M +$415K +23,907 +8%
SIM
23
Spark Investment Management
New York
$1.76M +$4.45M +256,600 +1,466%
Jennison Associates
24
Jennison Associates
New York
$1.72M -$13.2M -757,707 -74%
SFM
25
Sphera Funds Management
Israel
$1.61M +$3.19M +183,980 +279%