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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
LAM
626
Longboard Asset Management
Arizona
$228K
NAS
627
NWF Advisory Services
California
$227K
TCM
628
TABR Capital Management
California
$226K
MK
629
MASTERINVEST Kapitalanlage
$225K
PCP
630
Proficio Capital Partners
Massachusetts
$223K
BEI
631
Benjamin Edwards Inc
Missouri
$222K
GIM
632
Glenmede Investment Management
Pennsylvania
$221K
TCM
633
Telos Capital Management
California
$220K
FCM
634
Fourpath Capital Management
Oklahoma
$220K
KRW
635
Kaufman Rossin Wealth
Florida
$220K
GCP
636
GSA Capital Partners
United Kingdom
$217K
ABTD
637
Arvest Bank Trust Division
Oklahoma
$215K
RA
638
Riversedge Advisors
Delaware
$215K
C
639
Certuity
Florida
$213K
AFGAS
640
Allegiance Financial Group Advisory Services
Virginia
$211K
AO
641
Advisor OS
Illinois
$210K
DWT
642
Dorsey & Whitney Trust
South Dakota
$210K
BHB
643
Bank Hapoalim BM
Israel
$207K
KCM
644
KRS Capital Management
Michigan
$205K
GRP
645
Global Retirement Partners
California
$205K
IAS
646
Insigneo Advisory Services
Florida
$205K
MCM
647
MAI Capital Management
Ohio
$205K
RWM
648
Ritholtz Wealth Management
New York
$204K
PD
649
Point72 (DIFC)
United Arab Emirates
$196K
IWA
650
Icon Wealth Advisors
Texas
$192K