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Alnylam Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$612M +$4.18M +70,011 +0.7%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$524M +$363M +6,085,029 +295%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$245M -$25.2M -422,690 -10%
Vanguard Group
4
Vanguard Group
Pennsylvania
$191M +$7.78M +130,410 +5%
BFA
5
BlackRock Fund Advisors
California
$142M -$2.12M -35,480 -2%
Franklin Resources
6
Franklin Resources
California
$138M +$5.99M +100,470 +5%
CWAM
7
Columbia Wanger Asset Management
Illinois
$123M +$35.5M +595,144 +45%
GGHC
8
Gilder Gagnon Howe & Co
New York
$122M -$1.31M -21,926 -1%
UBS AM
9
UBS AM
Illinois
$102M +$21.5M +360,743 +29%
BIT
10
BlackRock Institutional Trust
California
$95.7M +$48.3K +809 +0.1%
State Street
11
State Street
Massachusetts
$91M -$6.71M -112,432 -7%
Capital World Investors
12
Capital World Investors
California
$67.8M -$9.44M -158,300 -13%
Jennison Associates
13
Jennison Associates
New York
$65.5M -$6.79M -113,782 -10%
SPC
14
Slate Path Capital
New York
$64.3M -$15.5M -260,000 -21%
AWG
15
Alpha Wave Global
New York
$64.3M +$59.7M +1,000,000 New
Wells Fargo
16
Wells Fargo
California
$64.1M +$1.81M +30,365 +3%
Baillie Gifford & Co
17
Baillie Gifford & Co
United Kingdom
$57.5M +$8.36M +140,100 +19%
Northern Trust
18
Northern Trust
Illinois
$52.8M +$913K +15,307 +2%
Morgan Stanley
19
Morgan Stanley
New York
$47.7M +$32.9M +550,847 +289%
CCI
20
Columbus Circle Investors
$42.3M -$17.9M -300,008 -31%
TCM
21
TimesSquare Capital Management
New York
$38.8M -$1.19M -19,900 -3%
BB
22
BB Biotech
Switzerland
$30.3M
Artisan Partners
23
Artisan Partners
Wisconsin
$28.5M +$1.25M +20,899 +5%
Goldman Sachs
24
Goldman Sachs
New York
$28.3M +$5.49M +91,961 +26%
BM
25
Bridger Management
New York
$28.3M -$190K -3,181 -0.7%