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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Capital World Investors
1
Capital World Investors
California
$3.9B +$521M +2,440,628 +17%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$3.21B +$120M +562,325 +4%
Vanguard Group
3
Vanguard Group
Pennsylvania
$2.73B +$96.8M +453,808 +4%
Baillie Gifford & Co
4
Baillie Gifford & Co
United Kingdom
$2.24B -$22.8M -106,887 -1%
BlackRock
5
BlackRock
New York
$2.02B +$175M +820,702 +11%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$1.48B +$59.7M +279,793 +5%
Dodge & Cox
7
Dodge & Cox
California
$1.09B -$63.7M -298,515 -6%
T. Rowe Price Associates
8
T. Rowe Price Associates
Maryland
$968M +$75.4M +353,538 +10%
T. Rowe Price Investment Management
9
T. Rowe Price Investment Management
Maryland
$761M +$2.26M +10,609 +0.3%
JP Morgan Chase
10
JP Morgan Chase
New York
$743M +$124M +582,662 +23%
State Street
11
State Street
Massachusetts
$662M -$1.91M -8,943 -0.3%
Capital International Investors
12
Capital International Investors
California
$477M +$12.6M +58,907 +3%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$401M +$19.3M +90,455 +6%
RI
14
RTW Investments
New York
$400M
Morgan Stanley
15
Morgan Stanley
New York
$330M -$23.1M -108,119 -7%
ACA
16
Avoro Capital Advisors
New York
$263M
Norges Bank
17
Norges Bank
Norway
$241M -$43.8M -205,338 -17%
BG
18
Bellevue Group
Switzerland
$219M -$7.58M -35,549 -4%
Capital Research Global Investors
19
Capital Research Global Investors
California
$198M +$177M +832,117 New
Massachusetts Financial Services
20
Massachusetts Financial Services
Massachusetts
$180M +$46.9M +219,943 +41%
Northern Trust
21
Northern Trust
Illinois
$178M +$3.32M +15,547 +2%
Legal & General Group
22
Legal & General Group
United Kingdom
$174M -$4.72M -22,137 -3%
Loomis, Sayles & Company
23
Loomis, Sayles & Company
Massachusetts
$169M -$7.51M -35,194 -5%
American Century Companies
24
American Century Companies
Missouri
$166M +$1.45M +6,788 +1%
Invesco
25
Invesco
Georgia
$159M -$14.5M -67,981 -9%