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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$482M +$560K +13,385 +0.1%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$450M +$523K +12,492 +0.1%
Dodge & Cox
3
Dodge & Cox
California
$345M +$164M +3,928,882 +74%
Vanguard Group
4
Vanguard Group
Pennsylvania
$204M +$1.73M +41,374 +0.8%
T. Rowe Price Associates
5
T. Rowe Price Associates
Maryland
$156M +$5.79M +138,306 +3%
Baillie Gifford & Co
6
Baillie Gifford & Co
United Kingdom
$124M -$2.11M -50,303 -1%
State Street
7
State Street
Massachusetts
$88.4M +$1.21M +28,822 +1%
BFA
8
BlackRock Fund Advisors
California
$78.7M +$7.27M +173,565 +9%
SPC
9
Slate Path Capital
New York
$74.9M +$32.4M +775,000 +63%
BIT
10
BlackRock Institutional Trust
California
$73.2M +$2.16M +51,511 +3%
UBS AM
11
UBS AM
Illinois
$62.4M +$6.22M +148,664 +10%
BRC
12
Blue Ridge Capital
New York
$49.4M
GGHC
13
Gilder Gagnon Howe & Co
New York
$46.1M -$5.48M -130,862 -10%
BB
14
BB Biotech
Switzerland
$44.6M
Goldman Sachs
15
Goldman Sachs
New York
$34.2M -$1.19M -28,422 -3%
Morgan Stanley
16
Morgan Stanley
New York
$30.4M -$1.18M -28,228 -3%
RI
17
RTW Investments
New York
$29.5M -$6.66M -159,078 -17%
First Trust Advisors
18
First Trust Advisors
Illinois
$27.6M +$13.3M +317,432 +75%
BM
19
Bridger Management
New York
$26.9M -$11.1M -264,425 -27%
1WCM
20
12 West Capital Management
New York
$26.2M
ACH
21
ArrowMark Colorado Holdings
Colorado
$25.9M +$12.6M +301,877 +77%
Norges Bank
22
Norges Bank
Norway
$24.9M +$4.89M +116,894 +21%
Geode Capital Management
23
Geode Capital Management
Massachusetts
$20M +$591K +14,111 +3%
Franklin Resources
24
Franklin Resources
California
$19.5M -$8.11M -193,583 -27%
JHIU
25
Janus Henderson Investors US
Colorado
$19.4M +$770K +18,393 +4%