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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$872M +$1.74M +24,615 +0.2%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$813M +$1.81M +25,696 +0.2%
Vanguard Group
3
Vanguard Group
Pennsylvania
$367M +$2.29M +32,440 +0.6%
Dodge & Cox
4
Dodge & Cox
California
$358M +$195M +2,759,399 +110%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$273M +$2.06M +29,266 +0.7%
Baillie Gifford & Co
6
Baillie Gifford & Co
United Kingdom
$228M -$1.55M -21,927 -0.6%
State Street
7
State Street
Massachusetts
$158M +$9.71M +137,672 +6%
BFA
8
BlackRock Fund Advisors
California
$131M +$3.98M +56,455 +3%
BIT
9
BlackRock Institutional Trust
California
$129M -$1.69M -23,987 -1%
UBS AM
10
UBS AM
Illinois
$103M -$10.2M -144,120 -9%
GGHC
11
Gilder Gagnon Howe & Co
New York
$92.3M -$2.28M -32,291 -2%
BRC
12
Blue Ridge Capital
New York
$89.5M
SPC
13
Slate Path Capital
New York
$83M +$6.35M +90,000 +8%
BB
14
BB Biotech
Switzerland
$80.7M
BM
15
Bridger Management
New York
$66.6M +$20.9M +296,031 +43%
RI
16
RTW Investments
New York
$64.3M +$8.17M +115,737 +14%
Goldman Sachs
17
Goldman Sachs
New York
$63.9M +$17.6M +249,691 +36%
Morgan Stanley
18
Morgan Stanley
New York
$57M -$2.45M -34,692 -4%
Jennison Associates
19
Jennison Associates
New York
$53M -$13.7M -193,769 -20%
Franklin Resources
20
Franklin Resources
California
$48.4M +$8.61M +122,000 +21%
1WCM
21
12 West Capital Management
New York
$47.4M
AG
22
Artal Group
Luxembourg
$40.7M -$7.76M -110,000 -15%
Capital World Investors
23
Capital World Investors
California
$38.9M
Norges Bank
24
Norges Bank
Norway
$35.5M +$6.14M +87,008 +19%
Geode Capital Management
25
Geode Capital Management
Massachusetts
$35.2M +$1.43M +20,289 +4%