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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$3.04B +$21M +113,092 +0.6%
Vanguard Group
2
Vanguard Group
Pennsylvania
$1.81B +$16.4M +88,189 +0.8%
Baillie Gifford & Co
3
Baillie Gifford & Co
United Kingdom
$1.8B +$37.4M +200,967 +2%
BlackRock
4
BlackRock
New York
$1.3B -$232M -1,249,570 -14%
Wellington Management Group
5
Wellington Management Group
Massachusetts
$1.16B -$97.9M -526,642 -7%
T. Rowe Price Associates
6
T. Rowe Price Associates
Maryland
$1.11B +$123M +661,133 +11%
Dodge & Cox
7
Dodge & Cox
California
$921M +$11M +58,968 +1%
JP Morgan Chase
8
JP Morgan Chase
New York
$504M +$97.8M +526,426 +22%
State Street
9
State Street
Massachusetts
$483M +$9.21M +49,564 +2%
RI
10
RTW Investments
New York
$335M +$54.4M +292,517 +17%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$255M +$9.53M +51,272 +4%
BG
12
Bellevue Group
Switzerland
$226M -$13.6M -73,278 -5%
Massachusetts Financial Services
13
Massachusetts Financial Services
Massachusetts
$224M -$8.01M -43,076 -3%
Norges Bank
14
Norges Bank
Norway
$215M +$51M +274,303 +28%
FCM
15
Farallon Capital Management
California
$202M +$69.8M +375,727 +46%
ACA
16
Avoro Capital Advisors
New York
$182M +$41.8M +225,000 +26%
Morgan Stanley
17
Morgan Stanley
New York
$181M -$152M -815,190 -43%
American Century Companies
18
American Century Companies
Missouri
$170M -$12.8M -68,897 -6%
CC
19
Casdin Capital
New York
$170M
Loomis, Sayles & Company
20
Loomis, Sayles & Company
Massachusetts
$169M +$5.27M +28,330 +3%
Federated Hermes
21
Federated Hermes
Pennsylvania
$168M +$6.2M +33,360 +3%
Invesco
22
Invesco
Georgia
$151M -$30.5M -164,082 -16%
GGHC
23
Gilder Gagnon Howe & Co
New York
$142M -$15.6M -84,116 -9%
Northern Trust
24
Northern Trust
Illinois
$130M -$1.8M -9,708 -1%
Holocene Advisors
25
Holocene Advisors
New York
$123M +$11.4M +61,509 +9%