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Alnylam Pharmaceuticals

390 hedge funds and large institutions have $15.4B invested in Alnylam Pharmaceuticals in 2021 Q1 according to their latest regulatory filings, with 55 funds opening new positions, 149 increasing their positions, 116 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed

54% more call options, than puts

Call options by funds: $83.9M | Put options by funds: $54.4M

53% more first-time investments, than exits

New positions opened: 55 | Existing positions closed: 36

28% more repeat investments, than reductions

Existing positions increased: 149 | Existing positions reduced: 116

17% more funds holding in top 10

Funds holding in top 10: 67 (+1)

10% more capital invested

Capital invested by funds: $14B → $15.4B (+$1.39B)

4% more funds holding

Funds holding: 374390 (+16)

0.55% more ownership

Funds ownership: 92.99%93.54% (+0.55%)

Holders
390
Holders Change
+16
Holders Change %
+4.28%
% of All Funds
6.85%
Holding in Top 10
7
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+16.67%
% of All Funds
0.12%
New
55
Increased
149
Reduced
116
Closed
36
Calls
$83.9M
Puts
$54.4M
Net Calls
+$29.5M
Net Calls Change
+$19.9M
Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$2.48B +$219M +1,457,954 +9%
Vanguard Group
2
Vanguard Group
Pennsylvania
$1.49B +$8.94M +59,397 +0.6%
Baillie Gifford & Co
3
Baillie Gifford & Co
United Kingdom
$1.42B +$142M +942,541 +10%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$1.29B -$137M -908,990 -9%
BlackRock
5
BlackRock
New York
$1.27B +$43.5M +288,765 +3%
T. Rowe Price Associates
6
T. Rowe Price Associates
Maryland
$787M -$19.4K -129 -0%
Dodge & Cox
7
Dodge & Cox
California
$610M -$47.9M -318,286 -7%
State Street
8
State Street
Massachusetts
$371M -$26.2M -173,848 -6%
JP Morgan Chase
9
JP Morgan Chase
New York
$308M -$19M -126,049 -5%
Morgan Stanley
10
Morgan Stanley
New York
$252M +$14.2M +94,114 +6%
RI
11
RTW Investments
New York
$238M +$258K +1,717 +0.1%
BG
12
Bellevue Group
Switzerland
$230M +$3.55M +23,614 +1%
Manulife (Manufacturers Life Insurance)
13
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$227M +$21.2M +140,769 +10%
Massachusetts Financial Services
14
Massachusetts Financial Services
Massachusetts
$206M -$45.3M -301,305 -17%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$195M +$11.6M +77,166 +6%
Invesco
16
Invesco
Georgia
$172M -$9.35M -62,139 -5%
American Century Companies
17
American Century Companies
Missouri
$155M +$2.28M +15,171 +1%
Federated Hermes
18
Federated Hermes
Pennsylvania
$140M +$38.1M +253,244 +34%
Norges Bank
19
Norges Bank
Norway
$136M -$11.5M -76,684 -7%
GGHC
20
Gilder Gagnon Howe & Co
New York
$131M +$6.85M +45,513 +5%
CC
21
Casdin Capital
New York
$124M +$15M +100,000 +13%
MC
22
Maverick Capital
Texas
$112M -$28.3M -188,268 -19%
Northern Trust
23
Northern Trust
Illinois
$106M +$1.12M +7,442 +1%
AG
24
Artal Group
Luxembourg
$106M -$7.52M -50,000 -6%
FCM
25
Farallon Capital Management
California
$98.8M +$52.7M +350,000 +100%