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Alnylam Pharmaceuticals

802 hedge funds and large institutions have $59B invested in Alnylam Pharmaceuticals in 2025 Q3 according to their latest regulatory filings, with 221 funds opening new positions, 272 increasing their positions, 219 reducing their positions, and 48 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:

24% more repeat investments, than reductions

Existing positions increased: 272 | Existing positions reduced: 219

2.48% less ownership

Funds ownership: 101.22%98.74% (-2.5%)

13% less call options, than puts

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

Holders
802
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
EFG
401
Everhart Financial Group
Ohio
$1.2M
YIH
402
Y-Intercept (HK)
Hong Kong
$1.19M
Kovitz Investment Group Partners
403
Kovitz Investment Group Partners
Illinois
$1.19M
NIM
404
NEOS Investment Management
Connecticut
$1.17M
TE
405
Tema ETFs
New York
$1.17M
VI
406
Vestcor Inc
New Brunswick, Canada
$1.15M
HKAM
407
Horizon Kinetics Asset Management
New York
$1.13M
PS
408
Principal Securities
Iowa
$1.11M
QCM
409
QRG Capital Management
Illinois
$1.11M
NPT
410
Nixon Peabody Trust
Massachusetts
$1.07M
PAP
411
Persistent Asset Partners
Hong Kong
$1.03M
AIM
412
Anchor Investment Management
South Carolina
$1.03M
UM
413
UniSuper Management
Australia
$1M
EI
414
Ethic Inc
New York
$996K
UCFA
415
United Capital Financial Advisors
Texas
$978K
VCM
416
Virtue Capital Management
Tennessee
$965K
AC
417
Aristeia Capital
Connecticut
$958K
WA
418
Whitebox Advisors
Minnesota
$958K
ETC
419
Exchange Traded Concepts
Oklahoma
$945K
PRS
420
Pinkerton Retirement Specialists
Idaho
$934K
BWMG
421
Bannerman Wealth Management Group
Texas
$933K
ACS
422
Archford Capital Strategies
Illinois
$923K
HFM
423
Harvest Fund Management
China
$920K
CL
424
CSS LLC
Illinois
$917K
SNBOSD
425
Security National Bank of So Dak
Iowa
$912K