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Alnylam Pharmaceuticals

645 hedge funds and large institutions have $43B invested in Alnylam Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 96 funds opening new positions, 257 increasing their positions, 214 reducing their positions, and 62 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding

Funds holding:

3.41% more ownership

Funds ownership: 97.81%101.22% (+3.4%)

8% less call options, than puts

Call options by funds: $188M | Put options by funds: $203M

10% less funds holding in top 10

Funds holding in top 10: 109 (-1)

Holders
645
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
9
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$188M
Puts
$203M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
EL
476
Essex LLC
Illinois
$257K
CCC
477
Compass Capital Corp
Massachusetts
$254K
AA
478
Alta Advisers
United Kingdom
$247K
SFC
479
Strategic Financial Concepts
Texas
$245K
GS
480
GTS Securities
New York
$244K
AG
481
Ascent Group
Virginia
$243K
FTUS
482
Flow Traders U.S.
New York
$241K
PWP
483
Perfromance Wealth Partners
Illinois
$240K
GI
484
GAMMA Investing
California
$237K
EWA
485
EP Wealth Advisors
California
$233K
FCP
486
Fidelis Capital Partners
Florida
$229K
NA
487
NewEdge Advisors
Louisiana
$229K
AF
488
Allworth Financial
California
$225K
SIG
489
Stonegate Investment Group
Alabama
$223K
FT
490
Fiduciary Trust
Massachusetts
$219K
AWM
491
Ariadne Wealth Management
California
$219K
AFG
492
Atomi Financial Group
New York
$218K
FMLI
493
Fukoku Mutual Life Insurance
Japan
$215K
ZBNA
494
Zions Bancorporation, National Association
Utah
$211K
SI
495
Stephens Inc
Arkansas
$207K
CFP
496
Cascade Financial Partners
California
$204K
SFS
497
Sowell Financial Services
Arkansas
$201K
FDW
498
Fourth Dimension Wealth
Ohio
$192K
SAM
499
Smartleaf Asset Management
Massachusetts
$192K
Jones Financial Companies
500
Jones Financial Companies
Missouri
$185K