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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$2.53B +$36.3M +269,322 +2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$1.61B +$47.9M +355,379 +3%
Wellington Management Group
3
Wellington Management Group
Massachusetts
$1.55B -$245M -1,815,051 -15%
BlackRock
4
BlackRock
New York
$1.35B +$74.2M +550,598 +6%
Baillie Gifford & Co
5
Baillie Gifford & Co
United Kingdom
$1.28B +$31.9M +236,909 +3%
T. Rowe Price Associates
6
T. Rowe Price Associates
Maryland
$929M -$2.07M -15,334 -0.2%
Dodge & Cox
7
Dodge & Cox
California
$697M -$52.5M -389,675 -8%
State Street
8
State Street
Massachusetts
$413M -$26.5M -196,495 -7%
JP Morgan Chase
9
JP Morgan Chase
New York
$329M +$186M +1,380,042 +164%
RI
10
RTW Investments
New York
$249M
BG
11
Bellevue Group
Switzerland
$238M -$22.3M -165,199 -9%
Morgan Stanley
12
Morgan Stanley
New York
$224M +$16.8M +124,671 +9%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$190M -$9.39M -69,632 -5%
Manulife (Manufacturers Life Insurance)
14
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$181M -$7.71M -57,222 -4%
Invesco
15
Invesco
Georgia
$167M +$51.9M +385,249 +52%
MC
16
Maverick Capital
Texas
$165M -$30.5M -226,097 -17%
Goldman Sachs
17
Goldman Sachs
New York
$161M +$41.1M +304,814 +39%
Massachusetts Financial Services
18
Massachusetts Financial Services
Massachusetts
$157M +$143M +1,063,179 New
FCM
19
Farallon Capital Management
California
$156M -$60.7M -450,000 -30%
American Century Companies
20
American Century Companies
Missouri
$148M +$79.6M +590,558 +145%
Blackstone Inc
21
Blackstone Inc
New York
$137M +$125M +924,681 New
Norges Bank
22
Norges Bank
Norway
$134M -$11.5M -85,446 -9%
AG
23
Artal Group
Luxembourg
$133M -$27M -200,000 -18%
GGHC
24
Gilder Gagnon Howe & Co
New York
$131M -$4.77M -35,409 -4%
UBS AM
25
UBS AM
Illinois
$124M +$841K +6,241 +0.8%