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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.16B +$2.67M +34,850 +0.2%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$1.08B +$2.41M +31,370 +0.2%
Vanguard Group
3
Vanguard Group
Pennsylvania
$676M +$50.5M +657,595 +8%
BlackRock
4
BlackRock
New York
$474M +$8.37M +109,126 +2%
Baillie Gifford & Co
5
Baillie Gifford & Co
United Kingdom
$451M +$40.6M +528,966 +9%
Dodge & Cox
6
Dodge & Cox
California
$380M +$18.7M +243,500 +5%
MC
7
Maverick Capital
Texas
$307M +$78.7M +1,025,629 +32%
T. Rowe Price Associates
8
T. Rowe Price Associates
Maryland
$255M +$1.92M +25,025 +0.7%
State Street
9
State Street
Massachusetts
$210M +$11.1M +144,663 +5%
RI
10
RTW Investments
New York
$159M +$105M +1,362,221 +163%
BG
11
Bellevue Group
Switzerland
$140M +$127M +1,660,089 +621%
Morgan Stanley
12
Morgan Stanley
New York
$97M +$8.96M +116,760 +10%
First Trust Advisors
13
First Trust Advisors
Illinois
$83.7M -$3.01M -39,255 -3%
Norges Bank
14
Norges Bank
Norway
$82.6M -$604K -7,867 -0.7%
FCM
15
Farallon Capital Management
California
$79.8M +$46M +600,000 +120%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$76.9M +$4.14M +53,973 +5%
GGHC
17
Gilder Gagnon Howe & Co
New York
$71M -$763K -9,951 -1%
Citadel Advisors
18
Citadel Advisors
Florida
$70.1M +$73.2M +953,740 +7,751%
UBS AM
19
UBS AM
Illinois
$70M -$14.8M -193,372 -17%
Goldman Sachs
20
Goldman Sachs
New York
$66.8M -$7.43M -96,842 -10%
FAM
21
Fred Alger Management
New York
$57.2M +$28.5M +371,106 +89%
Deutsche Bank
22
Deutsche Bank
Germany
$54.9M +$23M +299,860 +66%
1WCM
23
12 West Capital Management
New York
$53.3M
JP Morgan Chase
24
JP Morgan Chase
New York
$47.3M +$990K +12,898 +2%
CC
25
Casdin Capital
New York
$47.2M +$15.7M +205,000 +46%