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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
ACM
701
Aster Capital Management
United Arab Emirates
$35.6K
TFA
702
Transamerica Financial Advisors
Florida
$35.1K
TFM
703
TFC Financial Management
Massachusetts
$33.7K
S
704
Sachetta
Massachusetts
$33.3K
AG
705
AmeriFlex Group
Nevada
$31.9K
WT
706
Whittier Trust
California
$31.5K
SS
707
SBI Securities
Japan
$28.7K
CIAM
708
Caitong International Asset Management
Hong Kong
$28.7K
PWMG
709
Private Wealth Management Group
New Jersey
$28.3K
CFO
710
CVA Family Office
Colorado
$28.3K
SL
711
Salomon & Ludwin
Virginia
$27.4K
GTAM
712
Global Trust Asset Management
Florida
$27.4K
TC
713
Truvestments Capital
Florida
$26.1K
Fifth Third Bancorp
714
Fifth Third Bancorp
Ohio
$26K
RFP
715
Root Financial Partners
California
$24.6K
PFSC
716
Peoples Financial Services Corp
Pennsylvania
$22.8K
PSB
717
Piscataqua Savings Bank
New Hampshire
$22.8K
SJIM
718
St. Johns Investment Management
Florida
$22.8K
JWM
719
JPL Wealth Management
Colorado
$21K
PWAM
720
Private Wealth Asset Management
Iowa
$19.2K
APW
721
Aventura Private Wealth
Florida
$18.2K
MEG
722
Millstone Evans Group
Colorado
$18.2K
CT
723
Colonial Trust
South Carolina
$17.3K
GSWM
724
Golden State Wealth Management
California
$16.4K
BIA
725
Bell Investment Advisors
California
$16.4K