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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.34B +$55.4M +700,631 +4%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$1.19B -$2.46M -31,061 -0.2%
Vanguard Group
3
Vanguard Group
Pennsylvania
$817M +$66.9M +846,185 +9%
Baillie Gifford & Co
4
Baillie Gifford & Co
United Kingdom
$662M +$160M +2,022,504 +33%
BlackRock
5
BlackRock
New York
$571M +$44.9M +567,916 +9%
Dodge & Cox
6
Dodge & Cox
California
$427M +$5.56M +70,300 +1%
T. Rowe Price Associates
7
T. Rowe Price Associates
Maryland
$393M +$109M +1,375,040 +39%
MC
8
Maverick Capital
Texas
$259M -$80.2M -1,013,203 -24%
State Street
9
State Street
Massachusetts
$241M +$8.54M +108,000 +4%
BG
10
Bellevue Group
Switzerland
$158M +$2.98M +37,678 +2%
RI
11
RTW Investments
New York
$142M -$34.1M -430,466 -20%
FCM
12
Farallon Capital Management
California
$121M +$31.6M +400,000 +36%
Morgan Stanley
13
Morgan Stanley
New York
$110M +$2.09M +26,397 +2%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$95.5M +$10.2M +128,504 +12%
Goldman Sachs
15
Goldman Sachs
New York
$92.3M +$18M +227,197 +25%
Norges Bank
16
Norges Bank
Norway
$90.4M -$1.17M -14,780 -1%
GGHC
17
Gilder Gagnon Howe & Co
New York
$76.7M -$1.88M -23,714 -2%
First Trust Advisors
18
First Trust Advisors
Illinois
$64.6M -$27.7M -349,574 -30%
UBS AM
19
UBS AM
Illinois
$63.6M -$13.7M -173,457 -18%
Alkeon Capital Management
20
Alkeon Capital Management
New York
$59.3M +$14.6M +185,000 +33%
1WCM
21
12 West Capital Management
New York
$59.1M
AG
22
Artal Group
Luxembourg
$56.3M +$23.7M +300,000 +75%
Northern Trust
23
Northern Trust
Illinois
$53.6M +$7.65M +96,655 +17%
Deutsche Bank
24
Deutsche Bank
Germany
$52.7M -$7.95M -100,511 -13%
JP Morgan Chase
25
JP Morgan Chase
New York
$52.1M -$1.3M -16,401 -2%