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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
HH
501
Hilltop Holdings
Texas
$542K
PWM
502
Perigon Wealth Management
California
$539K
QT
503
Quantbot Technologies
New York
$536K
MC
504
Mathes Company
New York
$527K
TAA
505
TB Alternative Assets
Cayman Islands
$517K
EWA
506
EverSource Wealth Advisors
Alabama
$515K
GSC
507
Ground Swell Capital
South Carolina
$507K
AWA
508
Aaron Wealth Advisors
Illinois
$506K
CBA
509
Coastal Bridge Advisors
Connecticut
$500K
SCP
510
Sivia Capital Partners
California
$500K
NP
511
NorthRock Partners
Minnesota
$499K
VAS
512
Vestmark Advisory Solutions
Massachusetts
$495K
RIL
513
Rothschild Investment LLC
Illinois
$492K
CGPCS
514
Capital Group Private Client Services
California
$488K
WPC
515
Wedmont Private Capital
Pennsylvania
$485K
EC
516
EntryPoint Capital
New York
$482K
SAM
517
Smartleaf Asset Management
Massachusetts
$482K
ALAM
518
Asahi Life Asset Management
Japan
$476K
NPA
519
Nichols & Pratt Advisers
Massachusetts
$476K
BCG
520
Breakwater Capital Group
New Jersey
$468K
VT
521
Vise Technologies
New York
$467K
SP
522
SIH Partners
Delaware
$465K
WA
523
Waddell & Associates
Tennessee
$464K
VCM
524
Virtue Capital Management
Tennessee
$464K
FSC
525
Full Sail Capital
Oklahoma
$463K