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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Capital World Investors
1
Capital World Investors
California
$3.3B +$18.1M +85,926 +0.5%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$2.64B -$71.7M -341,248 -3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$2.33B +$21.2M +101,051 +0.9%
Baillie Gifford & Co
4
Baillie Gifford & Co
United Kingdom
$1.73B -$162M -768,730 -8%
BlackRock
5
BlackRock
New York
$1.71B +$12.5M +59,582 +0.7%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$1.23B -$16.9M -80,309 -1%
T. Rowe Price Associates
7
T. Rowe Price Associates
Maryland
$796M -$21.3M -101,268 -2%
Dodge & Cox
8
Dodge & Cox
California
$780M -$146M -696,247 -15%
JP Morgan Chase
9
JP Morgan Chase
New York
$620M -$6.93M -32,960 -1%
T. Rowe Price Investment Management
10
T. Rowe Price Investment Management
Maryland
$607M -$36.1M -171,972 -5%
State Street
11
State Street
Massachusetts
$572M +$14.4M +68,339 +2%
Capital Research Global Investors
12
Capital Research Global Investors
California
$489M +$338M +1,607,479 +193%
Capital International Investors
13
Capital International Investors
California
$447M +$47.1M +223,968 +11%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$348M +$10.1M +48,186 +3%
RI
15
RTW Investments
New York
$337M
Norges Bank
16
Norges Bank
Norway
$305M +$107M +508,566 +50%
Morgan Stanley
17
Morgan Stanley
New York
$247M -$33.6M -159,825 -11%
ACA
18
Avoro Capital Advisors
New York
$221M
BG
19
Bellevue Group
Switzerland
$177M -$7.98M -37,963 -4%
Bank of America
20
Bank of America
North Carolina
$154M +$98.4M +467,996 +154%
Massachusetts Financial Services
21
Massachusetts Financial Services
Massachusetts
$153M +$2.15M +10,230 +1%
Northern Trust
22
Northern Trust
Illinois
$153M +$2.53M +12,045 +2%
Legal & General Group
23
Legal & General Group
United Kingdom
$146M -$280K -1,333 -0.2%
UBS AM
24
UBS AM
Illinois
$135M +$3.35M +15,958 +2%
Loomis, Sayles & Company
25
Loomis, Sayles & Company
Massachusetts
$132M -$11.4M -54,330 -8%