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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.02B +$5.54M +49,865 +0.4%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$830M +$78.9M +710,086 +7%
Vanguard Group
3
Vanguard Group
Pennsylvania
$372M +$10.2M +91,515 +2%
Capital World Investors
4
Capital World Investors
California
$156M -$12.6M -113,000 -5%
UBS AM
5
UBS AM
Illinois
$154M +$10.7M +96,271 +5%
BFA
6
BlackRock Fund Advisors
California
$153M +$13.5M +121,946 +7%
BIT
7
BlackRock Institutional Trust
California
$142M +$1.01M +9,049 +0.5%
First Trust Advisors
8
First Trust Advisors
Illinois
$126M +$727K +6,547 +0.4%
State Street
9
State Street
Massachusetts
$124M +$9.04M +81,342 +6%
GGHC
10
Gilder Gagnon Howe & Co
New York
$120M -$1.38M -12,391 -0.8%
Jennison Associates
11
Jennison Associates
New York
$119M +$58.7M +528,598 +55%
T. Rowe Price Associates
12
T. Rowe Price Associates
Maryland
$106M -$43.5M -391,099 -23%
Morgan Stanley
13
Morgan Stanley
New York
$97.4M -$9.44M -84,961 -7%
BB
14
BB Biotech
Switzerland
$91M +$18.6M +167,000 +17%
BRC
15
Blue Ridge Capital
New York
$86.4M
Franklin Resources
16
Franklin Resources
California
$75.4M -$7.93M -71,372 -7%
Wells Fargo
17
Wells Fargo
California
$62.4M +$4.69M +42,219 +6%
BM
18
Bridger Management
New York
$57.2M +$9.83M +88,509 +14%
Baillie Gifford & Co
19
Baillie Gifford & Co
United Kingdom
$57M -$9.17M -82,500 -10%
Norges Bank
20
Norges Bank
Norway
$53.4M +$10.1M +91,048 +16%
1WCM
21
12 West Capital Management
New York
$52.3M
AAMU
22
Amundi Asset Management US
Massachusetts
$50.8M +$285K +2,569 +0.4%
SPC
23
Slate Path Capital
New York
$47.8M -$9.64M -86,759 -13%
RI
24
RTW Investments
New York
$42.9M +$13.6M +122,644 +30%
Invesco
25
Invesco
Georgia
$42.9M -$19.3M -173,966 -25%