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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.2B +$1.68M +18,087 +0.1%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$1B +$30.9M +333,358 +3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$475M +$38.6M +416,709 +9%
Baillie Gifford & Co
4
Baillie Gifford & Co
United Kingdom
$257M +$187M +2,018,484 +285%
Capital World Investors
5
Capital World Investors
California
$183M -$464K -5,000 -0.3%
UBS AM
6
UBS AM
Illinois
$181M +$903K +9,741 +0.5%
BIT
7
BlackRock Institutional Trust
California
$167M +$1.05M +11,275 +0.6%
BFA
8
BlackRock Fund Advisors
California
$162M -$16.5M -177,587 -9%
State Street
9
State Street
Massachusetts
$158M +$11.7M +126,382 +8%
Jennison Associates
10
Jennison Associates
New York
$140M +$676K +7,296 +0.5%
GGHC
11
Gilder Gagnon Howe & Co
New York
$139M -$1.53M -16,480 -1%
T. Rowe Price Associates
12
T. Rowe Price Associates
Maryland
$117M -$7.64M -82,350 -6%
First Trust Advisors
13
First Trust Advisors
Illinois
$115M -$31.4M -338,836 -22%
BB
14
BB Biotech
Switzerland
$107M
Morgan Stanley
15
Morgan Stanley
New York
$103M -$10.7M -115,371 -10%
BRC
16
Blue Ridge Capital
New York
$101M
Franklin Resources
17
Franklin Resources
California
$91.1M +$2.71M +29,200 +3%
Wells Fargo
18
Wells Fargo
California
$72.9M -$245K -2,640 -0.3%
SPC
19
Slate Path Capital
New York
$68.3M +$12.1M +130,000 +22%
BM
20
Bridger Management
New York
$67.5M +$476K +5,132 +0.7%
1WCM
21
12 West Capital Management
New York
$61.3M
Norges Bank
22
Norges Bank
Norway
$56.3M -$6.19M -66,811 -10%
RI
23
RTW Investments
New York
$54M +$3.68M +39,701 +7%
AWG
24
Alpha Wave Global
New York
$46.3M
AG
25
Artal Group
Luxembourg
$44.7M +$3.71M +40,000 +9%