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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Capital World Investors
1
Capital World Investors
California
$4.54B +$400M +1,537,081 +10%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$4.04B +$653M +2,508,234 +21%
Vanguard Group
3
Vanguard Group
Pennsylvania
$3.48B +$33.1M +127,318 +1%
BlackRock
4
BlackRock
New York
$2.67B +$41.6M +159,755 +2%
Capital Research Global Investors
5
Capital Research Global Investors
California
$1.44B +$518M +1,988,255 +61%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$1.36B -$327M -1,257,132 -20%
Baillie Gifford & Co
7
Baillie Gifford & Co
United Kingdom
$1.34B -$298M -1,145,656 -19%
Capital International Investors
8
Capital International Investors
California
$1.09B +$20.8M +79,804 +2%
Dodge & Cox
9
Dodge & Cox
California
$996M -$41M -157,650 -4%
State Street
10
State Street
Massachusetts
$954M -$17.3M -66,521 -2%
T. Rowe Price Associates
11
T. Rowe Price Associates
Maryland
$949M -$9.42M -36,170 -1%
T. Rowe Price Investment Management
12
T. Rowe Price Investment Management
Maryland
$863M -$3.74M -14,373 -0.5%
Norges Bank
13
Norges Bank
Norway
$653M +$20.5M +78,754 +3%
JP Morgan Chase
14
JP Morgan Chase
New York
$595M +$102M +390,073 +22%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$589M +$17.4M +66,928 +3%
American Century Companies
16
American Century Companies
Missouri
$438M +$62.1M +238,564 +18%
OAG
17
Orbis Allan Gray
Bermuda
$349M +$142M +547,059 +76%
Winslow Capital Management
18
Winslow Capital Management
Minnesota
$264M +$250M +961,607 New
BG
19
Bellevue Group
Switzerland
$223M -$28.8M -110,739 -12%
Legal & General Group
20
Legal & General Group
United Kingdom
$218M +$7.76M +29,810 +4%
Northern Trust
21
Northern Trust
Illinois
$202M -$12M -45,916 -6%
UBS AM
22
UBS AM
Illinois
$194M -$33.6M -129,182 -15%
Invesco
23
Invesco
Georgia
$191M +$78.9M +303,027 +77%
Pictet Asset Management
24
Pictet Asset Management
Switzerland
$183M -$24.4M -93,806 -12%
Morgan Stanley
25
Morgan Stanley
New York
$170M -$32M -122,951 -17%