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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, 278 increasing their positions, 221 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 repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

25% more funds holding

Funds holding: 649812 (+163)

2.47% 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
WFC
401
Western Financial Corp
California
$1.24M
FC
402
FORA Capital
Florida
$1.24M
RIA
403
Regal Investment Advisors
Michigan
$1.23M
CPBTD
404
Central Pacific Bank - Trust Division
Hawaii
$1.2M
EFG
405
Everhart Financial Group
Ohio
$1.2M
YIH
406
Y-Intercept (HK)
Hong Kong
$1.19M
Kovitz Investment Group Partners
407
Kovitz Investment Group Partners
Illinois
$1.19M
NIM
408
NEOS Investment Management
Connecticut
$1.17M
TE
409
Tema ETFs
New York
$1.17M
VI
410
Vestcor Inc
New Brunswick, Canada
$1.15M
HKAM
411
Horizon Kinetics Asset Management
New York
$1.13M
PS
412
Principal Securities
Iowa
$1.11M
QCM
413
QRG Capital Management
Illinois
$1.11M
NPT
414
Nixon Peabody Trust
Massachusetts
$1.07M
PAP
415
Persistent Asset Partners
Hong Kong
$1.03M
AIM
416
Anchor Investment Management
South Carolina
$1.03M
UM
417
UniSuper Management
Australia
$1M
EI
418
Ethic Inc
New York
$996K
UCFA
419
United Capital Financial Advisors
Texas
$978K
VCM
420
Virtue Capital Management
Tennessee
$965K
WA
421
Whitebox Advisors
Minnesota
$958K
AC
422
Aristeia Capital
Connecticut
$958K
ETC
423
Exchange Traded Concepts
Oklahoma
$945K
PRS
424
Pinkerton Retirement Specialists
Idaho
$934K
BWMG
425
Bannerman Wealth Management Group
Texas
$933K