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Alnylam Pharmaceuticals

818 hedge funds and large institutions have $59.2B invested in Alnylam Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 224 funds opening new positions, 280 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 repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

26% more funds holding

Funds holding: 650818 (+168)

2.26% less ownership

Funds ownership: 101.3%99.03% (-2.3%)

13% less call options, than puts

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

Holders
818
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
WMA
326
West Michigan Advisors
Michigan
$2.46M
VA
327
Vident Advisory
Georgia
$2.39M
AI
328
Atria Investments
North Carolina
$2.37M
GIA
329
Gateway Investment Advisers
Ohio
$2.34M
FPAS
330
Focus Partners Advisor Solutions
Missouri
$2.28M
SPS
331
Susquehanna Portfolio Strategies
Pennsylvania
$2.28M
BJL
332
Brighton Jones LLC
Washington
$2.25M
BC
333
Burney Company
Virginia
$2.23M
PIM
334
Plato Investment Management
Australia
$2.22M
BCV
335
Banque Cantonale Vaudoise
Switzerland
$2.22M
CBU
336
CIBC Bancorp USA
Illinois
$2.13M
IWC
337
Integrated Wealth Concepts
Massachusetts
$2.11M
ProShare Advisors
338
ProShare Advisors
Maryland
$2.11M
DF
339
Donoghue Forlines
Massachusetts
$2.11M
AAM
340
Azzad Asset Management
Virginia
$2.11M
AC
341
Allstate Corporation
Illinois
$2.08M
HCMT
342
Highland Capital Management (Tennessee)
Tennessee
$2.08M
AIM
343
Aigen Investment Management
New York
$2.07M
CB
344
Commerce Bank
Missouri
$2.07M
AAM
345
Advisors Asset Management
Colorado
$2.06M
OAC
346
OMERS Administration Corp
Ontario, Canada
$2.06M
TMAM
347
Tokio Marine Asset Management
Japan
$2.03M
PCA
348
Pallas Capital Advisors
Massachusetts
$2.02M
Rockefeller Capital Management
349
Rockefeller Capital Management
New York
$2M
MGP
350
Metis Global Partners
California
$1.97M