ALNY icon

Alnylam Pharmaceuticals
ALNY

Overview Fund Activity

559 hedge funds and large institutions have $33.4B invested in Alnylam Pharmaceuticals in 2024 Q3 according to their latest regulatory filings, with 104 funds opening new positions, 217 increasing their positions, 170 reducing their positions, and 58 closing their positions.

Holders
559
Holders Change
+41
Holders Change %
+7.92%
% of All Funds
8.09%
Holding in Top 10
7
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+16.67%
% of All Funds
0.1%
New
104
Increased
217
Reduced
170
Closed
58
Calls
$364M
Puts
$325M
Net Calls
+$39.2M
Net Calls Change
-$64.1M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$4.04B
2
Capital Research Global Investors
2
Capital Research Global Investors
California
$1.44B
3
Capital World Investors
3
Capital World Investors
California
$4.54B
4
Winslow Capital Management
4
Winslow Capital Management
Minnesota
$264M
5
OAG
5
Orbis Allan Gray
Bermuda
$349M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.36B
2
Baillie Gifford & Co
2
Baillie Gifford & Co
United Kingdom
$1.34B
3
DTC
3
Deep Track Capital
Connecticut
$0
4
ACA
4
Avoro Capital Advisors
New York
$0
5
Citadel Advisors
5
Citadel Advisors
Florida
$6.58M
Name Market Value Shares Shares
Change 		Shares
Change %
O
51
OrbiMed
New York
$68.8M 250,300 – –
RSCM
52
Rock Springs Capital Management
Maryland
$68.8M 250,000 – –
SEI Investments
53
SEI Investments
Pennsylvania
$65.4M 237,907 +198,729 +507%
EAM
54
Eventide Asset Management
Massachusetts
$61.7M 224,333 +137,333 +158%
Janus Henderson Group
55
Janus Henderson Group
United Kingdom
$60.3M 219,337 -30,103 -12%
California Public Employees Retirement System
56
California Public Employees Retirement System
California
$58.2M 211,781 -3,786 -2%
CIBC Private Wealth Group
57
CIBC Private Wealth Group
Georgia
$57.3M 208,486 +2,095 +1%
Aberdeen Group
58
Aberdeen Group
United Kingdom
$55M 200,069 +91 +0%
National Pension Service
59
National Pension Service
South Korea
$54M 196,387 – –
Voloridge Investment Management
60
Voloridge Investment Management
Florida
$53.4M 194,247 +179,384 +1,207%
Manulife (Manufacturers Life Insurance)
61
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$52.6M 191,382 -137,655 -42%
California State Teachers Retirement System (CalSTRS)
62
California State Teachers Retirement System (CalSTRS)
California
$52.6M 191,325 -2,269 -1%
RhumbLine Advisers
63
RhumbLine Advisers
Massachusetts
$49.9M 181,428 +8,101 +5%
CC
64
Casdin Capital
New York
$46.8M 170,000 – –
Federated Hermes
65
Federated Hermes
Pennsylvania
$46.5M 168,923 +76,315 +82%
Susquehanna International Group
66
Susquehanna International Group
Pennsylvania
$45M 163,734 +96,723 +144%
UBS Group
67
UBS Group
Switzerland
$42.8M 155,671 -912 -0.6%
Qube Research & Technologies (QRT)
68
Qube Research & Technologies (QRT)
United Kingdom
$41.8M 152,162 +152,162 New
Skandinaviska Enskilda Banken (SEB)
69
Skandinaviska Enskilda Banken (SEB)
Sweden
$41.3M 150,119 +43,227 +40%
DM
70
Deerfield Management
New York
$39.9M 145,000 +25,200 +21%
PAI
71
Palo Alto Investors
California
$38.7M 140,681 +140,681 New
AP
72
Antipodes Partners
Australia
$38.3M 139,375 -99,121 -42%
Ameriprise
73
Ameriprise
Minnesota
$37.9M 137,838 -100,482 -42%
Los Angeles Capital Management
74
Los Angeles Capital Management
California
$37.7M 137,017 +135,829 +11,433%
Jane Street
75
Jane Street
New York
$37.5M 136,281 -3,216 -2%
1 2
3
4 5