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Alnylam Pharmaceuticals

812 hedge funds and large institutions have $59B invested in Alnylam Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 222 funds opening new positions, 277 increasing their positions, 222 reducing their positions, and 49 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:

25% more repeat investments, than reductions

Existing positions increased: 277 | Existing positions reduced: 222

2.48% less ownership

Funds ownership: 101.29%98.81% (-2.5%)

13% less call options, than puts

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

Holders
812
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
AAF
201
Andra AP-fonden
Sweden
$9.44M
URS
202
Utah Retirement Systems
Utah
$9.39M
Stifel Financial
203
Stifel Financial
Missouri
$9.25M
PFSRSONJ
204
Police & Firemen's Retirement System of New Jersey
New Jersey
$9.16M
MML Investors Services
205
MML Investors Services
Massachusetts
$8.97M
QCM
206
Quantinno Capital Management
New York
$8.79M
Acadian Asset Management
207
Acadian Asset Management
Massachusetts
$8.7M
BCIM
208
British Columbia Investment Management
British Columbia, Canada
$8.54M
EMPI
209
Elo Mutual Pension Insurance
Finland
$8.15M
Caisse de Depot et Placement du Quebec (CDPQ)
210
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$8.13M
SCM
211
Silvant Capital Management
Georgia
$8.06M
ET
212
Entropy Technologies
New York
$7.83M
Rafferty Asset Management
213
Rafferty Asset Management
New York
$7.82M
Verition Fund Management
214
Verition Fund Management
Connecticut
$7.77M
CGIM
215
Capital Group Investment Management
Singapore
$7.69M
NAM
216
Nissay Asset Management
Japan
$7.56M
JFG
217
Jefferies Financial Group
New York
$7.54M
EAM
218
EFG Asset Management
Oregon
$7.44M
Twin Tree Management
219
Twin Tree Management
Texas
$7.3M
QC
220
Quantessence Capital
New York
$7.24M
SMDAM
221
Sumitomo Mitsui DS Asset Management
Japan
$7.22M
Daiwa Securities Group
222
Daiwa Securities Group
Japan
$7.07M
MOACM
223
Mutual of America Capital Management
New York
$6.98M
SCM
224
Soleus Capital Management
Connecticut
$6.95M
Wealth Enhancement Advisory Services
225
Wealth Enhancement Advisory Services
Minnesota
$6.68M