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Alnylam Pharmaceuticals

817 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, 279 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:

26% more repeat investments, than reductions

Existing positions increased: 279 | Existing positions reduced: 222

2.27% less ownership

Funds ownership: 101.28%99.02% (-2.3%)

13% less call options, than puts

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

Holders
817
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
QC
701
Quent Capital
New York
$38.8K
OP
702
ORG Partners
Indiana
$36.5K
ACM
703
Aster Capital Management
United Arab Emirates
$35.6K
TFA
704
Transamerica Financial Advisors
Florida
$35.1K
TFM
705
TFC Financial Management
Massachusetts
$33.7K
S
706
Sachetta
Massachusetts
$33.3K
AG
707
AmeriFlex Group
Nevada
$31.9K
WT
708
Whittier Trust
California
$31.5K
MCM
709
MV Capital Management
Maryland
$29.2K
SS
710
SBI Securities
Japan
$28.7K
CIAM
711
Caitong International Asset Management
Hong Kong
$28.7K
PWMG
712
Private Wealth Management Group
New Jersey
$28.3K
CFO
713
CVA Family Office
Colorado
$28.3K
SL
714
Salomon & Ludwin
Virginia
$27.4K
GTAM
715
Global Trust Asset Management
Florida
$27.4K
TC
716
Truvestments Capital
Florida
$26.1K
Fifth Third Bancorp
717
Fifth Third Bancorp
Ohio
$26K
RFP
718
Root Financial Partners
California
$24.6K
PSB
719
Piscataqua Savings Bank
New Hampshire
$22.8K
SJIM
720
St. Johns Investment Management
Florida
$22.8K
PFSC
721
Peoples Financial Services Corp
Pennsylvania
$22.8K
JWM
722
JPL Wealth Management
Colorado
$21K
PWAM
723
Private Wealth Asset Management
Iowa
$19.2K
APW
724
Aventura Private Wealth
Florida
$18.2K
MEG
725
Millstone Evans Group
Colorado
$18.2K