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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$1.89B +$140M +1,115,616 +8%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$1.55B +$461M +3,668,358 +43%
Wellington Management Group
3
Wellington Management Group
Massachusetts
$1.17B -$266M -2,118,787 -19%
Dodge & Cox
4
Dodge & Cox
California
$1.05B -$114M -909,900 -10%
Vanguard Group
5
Vanguard Group
Pennsylvania
$923M +$96.9M +771,016 +12%
BlackRock
6
BlackRock
New York
$904M +$126M +1,003,366 +16%
Baillie Gifford & Co
7
Baillie Gifford & Co
United Kingdom
$459M +$25.8M +205,622 +6%
State Street
8
State Street
Massachusetts
$254M -$5.14M -40,932 -2%
UBS AM
9
UBS AM
Illinois
$177M +$3.75M +29,816 +2%
BRC
10
Blue Ridge Capital
New York
$170M -$24.3M -193,599 -13%
PA
11
Perceptive Advisors
New York
$169M -$57.5M -458,000 -26%
GGHC
12
Gilder Gagnon Howe & Co
New York
$155M +$12.2M +96,812 +9%
Goldman Sachs
13
Goldman Sachs
New York
$151M -$76.2M -606,207 -34%
Morgan Stanley
14
Morgan Stanley
New York
$148M +$23.7M +188,948 +19%
BB
15
BB Biotech
Switzerland
$134M -$7.54M -60,000 -5%
O
16
OrbiMed
New York
$120M -$18M -143,200 -13%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$94.9M +$11.1M +88,119 +13%
Norges Bank
18
Norges Bank
Norway
$94.3M +$23.5M +187,242 +34%
1WCM
19
12 West Capital Management
New York
$88.9M
Federated Hermes
20
Federated Hermes
Pennsylvania
$79.9M +$57.5M +457,913 +268%
First Trust Advisors
21
First Trust Advisors
Illinois
$72.6M -$26.8M -213,221 -27%
PC
22
Polar Capital
United Kingdom
$65.6M +$64.9M +516,232 New
BM
23
Bridger Management
New York
$63.6M +$14.6M +116,286 +30%
Janus Henderson Group
24
Janus Henderson Group
$62.7M -$23.8M -189,401 -28%
Northern Trust
25
Northern Trust
Illinois
$60.3M +$12.3M +97,881 +26%