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Alnylam Pharmaceuticals

645 hedge funds and large institutions have $43B invested in Alnylam Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 96 funds opening new positions, 257 increasing their positions, 214 reducing their positions, and 62 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

3.41% more ownership

Funds ownership: 97.81%101.22% (+3.4%)

8% less call options, than puts

Call options by funds: $188M | Put options by funds: $203M

10% less funds holding in top 10

Funds holding in top 10: 109 (-1)

Holders
645
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
9
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$188M
Puts
$203M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
FAF
176
Första AP-fonden
Sweden
$8.61M
UIM
177
USS Investment Management
United Kingdom
$8.59M
IMRF
178
Illinois Municipal Retirement Fund
Illinois
$8.49M
II
179
IFM Investors
Australia
$8.27M
X
180
Xponance
Pennsylvania
$8.16M
Toronto Dominion Bank
181
Toronto Dominion Bank
Ontario, Canada
$7.71M
KCM
182
Kornitzer Capital Management
Kansas
$7.55M
CCM
183
Cinctive Capital Management
New York
$7.46M
Jane Street
184
Jane Street
New York
$7.45M
BBVA
185
Banco Bilbao Vizcaya Argentaria
Spain
$7.26M
EAM
186
EFG Asset Management
Oregon
$6.89M
IMPI
187
Ilmarinen Mutual Pension Insurance
Finland
$6.85M
AGP
188
Artia Global Partners
Florida
$6.84M
URS
189
Utah Retirement Systems
Utah
$6.84M
TI
190
Trexquant Investment
Connecticut
$6.7M
BCIM
191
British Columbia Investment Management
British Columbia, Canada
$6.68M
Caisse de Depot et Placement du Quebec (CDPQ)
192
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$6.54M
PE
193
Point72 Europe
United Kingdom
$6.5M
SCM
194
Silvant Capital Management
Georgia
$6.31M
BFM
195
Boothbay Fund Management
New York
$6.27M
PFSRSONJ
196
Police & Firemen's Retirement System of New Jersey
New Jersey
$6.18M
Comerica Bank
197
Comerica Bank
Texas
$6.07M
HF
198
HRT Financial
New York
$5.83M
FTM
199
First Turn Management
California
$5.83M
MML Investors Services
200
MML Investors Services
Massachusetts
$5.82M