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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.79B +$19.3M +150,087 +1%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$1.5B +$43.3M +336,093 +3%
Wellington Management Group
3
Wellington Management Group
Massachusetts
$1.14B +$54.2M +420,632 +5%
Vanguard Group
4
Vanguard Group
Pennsylvania
$887M +$23.1M +179,492 +2%
BlackRock
5
BlackRock
New York
$855M +$8.12M +62,999 +0.9%
Dodge & Cox
6
Dodge & Cox
California
$559M -$456M -3,538,754 -43%
Baillie Gifford & Co
7
Baillie Gifford & Co
United Kingdom
$457M +$28.8M +223,199 +6%
State Street
8
State Street
Massachusetts
$254M +$16.7M +129,428 +6%
UBS AM
9
UBS AM
Illinois
$160M -$6.84M -53,042 -4%
PA
10
Perceptive Advisors
New York
$153M -$6.45M -50,000 -4%
O
11
OrbiMed
New York
$151M +$41.8M +324,366 +34%
Morgan Stanley
12
Morgan Stanley
New York
$150M +$11.8M +91,652 +8%
GGHC
13
Gilder Gagnon Howe & Co
New York
$144M -$895K -6,945 -0.6%
BB
14
BB Biotech
Switzerland
$120M -$5.16M -40,000 -4%
Goldman Sachs
15
Goldman Sachs
New York
$120M -$22.8M -176,806 -15%
Point72 Asset Management
16
Point72 Asset Management
Connecticut
$108M +$106M +819,160 +922%
Norges Bank
17
Norges Bank
Norway
$95.8M +$7.95M +61,702 +8%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$91.1M +$2.28M +17,698 +2%
1WCM
19
12 West Capital Management
New York
$83.4M
PAMU
20
Pictet Asset Management (UK)
United Kingdom
$76.9M +$37.7M +292,564 +83%
AG
21
Artal Group
Luxembourg
$71.5M +$19.3M +150,000 +33%
BM
22
Bridger Management
New York
$65.5M +$6.37M +49,413 +10%
First Trust Advisors
23
First Trust Advisors
Illinois
$63.9M -$4.48M -34,731 -6%
Janus Henderson Group
24
Janus Henderson Group
$60.1M +$1.38M +10,692 +2%
Mitsubishi UFJ Trust & Banking
25
Mitsubishi UFJ Trust & Banking
Japan
$58.5M +$5.34M +41,446 +9%