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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
KRSITF
326
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$1.14M
DILIC
327
Dai-ichi Life Insurance Company
Japan
$1.13M
IWC
328
Integrated Wealth Concepts
Massachusetts
$1.12M
SPAS
329
Spectrum Planning & Advisory Services
California
$1.1M
SAM
330
Sectoral Asset Management
Quebec, Canada
$1.08M
GFM
331
GF Fund Management
China
$1.08M
LJHT
332
Laurie J. Hall Trustee
$1.06M
OCM
333
Orion Capital Management
California
$1.06M
BMSSC
334
B. Metzler seel. Sohn & Co
Germany
$1.05M
GCM
335
Graham Capital Management
Connecticut
$1.03M
Focus Partners Wealth
336
Focus Partners Wealth
Massachusetts
$1.03M
GD
337
Grandfield & Dodd
New York
$995K
CPBTD
338
Central Pacific Bank - Trust Division
Hawaii
$984K
MFS
339
Mirabella Financial Services
United Kingdom
$973K
ECM
340
Everence Capital Management
Indiana
$968K
CFO
341
Callan Family Office
Pennsylvania
$956K
Vontobel Holding
342
Vontobel Holding
Switzerland
$951K
RIA
343
Regal Investment Advisors
Michigan
$948K
GIC
344
Generali Investments CEE
Czech Republic
$946K
EF
345
Empowered Funds
Pennsylvania
$930K
VI
346
Vestcor Inc
New Brunswick, Canada
$925K
STA
347
Summit Trail Advisors
New York
$916K
SW
348
SteelPeak Wealth
California
$916K
ETC
349
Exchange Traded Concepts
Oklahoma
$915K
HKAM
350
Horizon Kinetics Asset Management
New York
$900K