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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
USCWA
176
U.S. Capital Wealth Advisors
Texas
$12.6M
Cerity Partners
177
Cerity Partners
New York
$12.5M
IMRF
178
Illinois Municipal Retirement Fund
Illinois
$12.4M
Brown Advisory
179
Brown Advisory
Maryland
$12.1M
UIM
180
USS Investment Management
United Kingdom
$12M
Mariner
181
Mariner
Kansas
$12M
X
182
Xponance
Pennsylvania
$11.9M
EAM
183
Erste Asset Management
Austria
$11.6M
II
184
IFM Investors
Australia
$11.6M
MIF
185
Mediolanum International Funds
Ireland
$11.4M
Osaic Holdings
186
Osaic Holdings
Arizona
$11.3M
KCM
187
Kornitzer Capital Management
Kansas
$10.8M
EHI
188
Eagle Health Investments
Connecticut
$10.8M
Creative Planning
189
Creative Planning
Kansas
$10.4M
CUAMC
190
China Universal Asset Management Company
China
$10.4M
AT
191
AMF Tjänstepension
Sweden
$10.3M
Walleye Capital
192
Walleye Capital
New York
$10.2M
BBVA
193
Banco Bilbao Vizcaya Argentaria
Spain
$10.1M
ACM
194
Atika Capital Management
New York
$10.1M
Natixis Advisors
195
Natixis Advisors
Massachusetts
$9.89M
Toronto Dominion Bank
196
Toronto Dominion Bank
Ontario, Canada
$9.68M
IMPI
197
Ilmarinen Mutual Pension Insurance
Finland
$9.58M
AAF
198
Andra AP-fonden
Sweden
$9.44M
URS
199
Utah Retirement Systems
Utah
$9.39M
Stifel Financial
200
Stifel Financial
Missouri
$9.25M