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Alnylam Pharmaceuticals

818 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, 280 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 repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

26% more funds holding

Funds holding: 650818 (+168)

2.26% less ownership

Funds ownership: 101.3%99.03% (-2.3%)

13% less call options, than puts

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

Holders
818
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
DWT
651
Dorsey & Whitney Trust
South Dakota
$210K
BHB
652
Bank Hapoalim BM
Israel
$207K
KCM
653
KRS Capital Management
Michigan
$205K
GRP
654
Global Retirement Partners
California
$205K
IAS
655
Insigneo Advisory Services
Florida
$205K
MCM
656
MAI Capital Management
Ohio
$205K
RWM
657
Ritholtz Wealth Management
New York
$204K
SWGC
658
Summit Wealth Group (Colorado)
Colorado
$202K
PD
659
Point72 (DIFC)
United Arab Emirates
$196K
IWA
660
Icon Wealth Advisors
Texas
$192K
HI
661
Horizon Investments
North Carolina
$184K
VCM
662
Versant Capital Management
Arizona
$179K
OAM
663
Ostrum Asset Management
France
$174K
CA
664
CoreCap Advisors
Michigan
$173K
BTI
665
Blue Trust Inc
Georgia
$159K
OIAM
666
OFI Invest Asset Management
France
$156K
TWC
667
TD Waterhouse Canada
Ontario, Canada
$152K
A
668
AlphaQuest
New York
$151K
LFG
669
Larson Financial Group
Missouri
$137K
C
670
Covestor
United Kingdom
$124K
TWD
671
True Wealth Design
Ohio
$104K
Bessemer Group
672
Bessemer Group
New Jersey
$101K
SWM
673
Spire Wealth Management
Virginia
$94.3K
CWP
674
Concord Wealth Partners
Virginia
$91.2K
MPWT
675
MassMutual Private Wealth & Trust
Connecticut
$89.8K