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Alnylam Pharmaceuticals

802 hedge funds and large institutions have $59B invested in Alnylam Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 221 funds opening new positions, 272 increasing their positions, 219 reducing their positions, and 48 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

24% more repeat investments, than reductions

Existing positions increased: 272 | Existing positions reduced: 219

2.48% less ownership

Funds ownership: 101.22%98.74% (-2.5%)

13% less call options, than puts

Call options by funds: $562M | Put options by funds: $649M

Holders
802
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$562M
Puts
$649M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
ASRS
151
Arizona State Retirement System
Arizona
$17.6M
IMCOOI
152
Investment Management Corp of Ontario (IMCO)
Canada
$17.3M
OBAM
153
ODDO BHF Asset Management
France
$17.3M
Parnassus Investments
154
Parnassus Investments
California
$16.9M
JF
155
Jump Financial
Illinois
$15.9M
AGP
156
Artia Global Partners
Florida
$15.8M
DnB Asset Management
157
DnB Asset Management
Norway
$15.6M
RSS
158
Rosenblum Silverman Sutton
California
$15.5M
VCM
159
Voleon Capital Management
California
$15.5M
BA
160
Bridgewater Associates
Connecticut
$15.5M
Teacher Retirement System of Texas
161
Teacher Retirement System of Texas
Texas
$15.3M
TRSOTSOK
162
Teachers Retirement System of the State of Kentucky
Kentucky
$15M
BNP Paribas Asset Management
163
BNP Paribas Asset Management
France
$14.8M
PAI
164
Palo Alto Investors
California
$14.7M
AP
165
Antipodes Partners
Australia
$14.6M
RPAM
166
Rhenman & Partners Asset Management
Sweden
$14.5M
SG Americas Securities
167
SG Americas Securities
New York
$14.5M
ECM
168
ExodusPoint Capital Management
New York
$14.1M
FAF
169
Fjarde Ap-fonden
Sweden
$13.8M
ZIG
170
Zurich Insurance Group
Switzerland
$13.7M
Carson Wealth (CWM LLC)
171
Carson Wealth (CWM LLC)
Nebraska
$13.4M
PCMH
172
Polymer Capital Management (HK)
Hong Kong
$13.2M
GAM
173
Gotham Asset Management
New York
$12.8M
SO
174
STRS Ohio
Ohio
$12.8M
FAF
175
Första AP-fonden
Sweden
$12.7M