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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$644M +$5.78M +74,711 +0.8%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$540M -$8M -103,332 -1%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$241M -$17M -219,314 -6%
Vanguard Group
4
Vanguard Group
Pennsylvania
$180M -$22.1M -285,677 -10%
Franklin Resources
5
Franklin Resources
California
$175M +$35.2M +455,286 +21%
BFA
6
BlackRock Fund Advisors
California
$155M +$7.47M +96,481 +4%
GGHC
7
Gilder Gagnon Howe & Co
New York
$129M +$1.27M +16,446 +0.9%
UBS AM
8
UBS AM
Illinois
$112M +$6.45M +83,359 +5%
BIT
9
BlackRock Institutional Trust
California
$102M +$2.44M +31,555 +2%
State Street
10
State Street
Massachusetts
$95.8M +$850K +10,979 +0.8%
Baillie Gifford & Co
11
Baillie Gifford & Co
United Kingdom
$72M +$13.9M +179,700 +20%
Wells Fargo
12
Wells Fargo
California
$71.7M +$5.5M +70,995 +7%
Jennison Associates
13
Jennison Associates
New York
$70.6M +$2.63M +33,966 +3%
CCI
14
Columbus Circle Investors
$67.4M +$26.8M +346,036 +53%
CWAM
15
Columbia Wanger Asset Management
Illinois
$60.6M -$78M -1,007,236 -53%
Capital World Investors
16
Capital World Investors
California
$58.1M -$14.7M -190,000 -18%
Northern Trust
17
Northern Trust
Illinois
$51.5M -$4.15M -53,641 -7%
Morgan Stanley
18
Morgan Stanley
New York
$49.6M -$184K -2,379 -0.3%
Artisan Partners
19
Artisan Partners
Wisconsin
$34.8M +$5.82M +75,161 +17%
Goldman Sachs
20
Goldman Sachs
New York
$34.4M +$5.56M +71,839 +16%
BB
21
BB Biotech
Switzerland
$31.6M
BM
22
Bridger Management
New York
$29.5M
GTP
23
Global Thematic Partners
New York
$28.6M +$33M +426,322 New
SPC
24
Slate Path Capital
New York
$27.6M -$45.6M -588,460 -59%
JP Morgan Chase
25
JP Morgan Chase
New York
$27.6M +$9.61M +124,155 +43%