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Alnylam Pharmaceuticals

817 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, 279 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 funds holding

Funds holding:

26% more repeat investments, than reductions

Existing positions increased: 279 | Existing positions reduced: 222

2.27% less ownership

Funds ownership: 101.28%99.02% (-2.3%)

13% less call options, than puts

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

Holders
817
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
CCM
826
Cinctive Capital Management
New York
BFM
827
Boothbay Fund Management
New York
FTM
828
First Turn Management
California
MASUI
829
MIRAE ASSET SECURITIES (USA) INC.
New York
RAM
830
Readystate Asset Management
Illinois
PSC
831
Portman Square Capital
United Kingdom
SGH
832
Sivik Global Healthcare
Connecticut
HSA
833
Hussman Strategic Advisors
Maryland
VSQM
834
V-Square Quantitative Management
Illinois
WSFS
835
Wilmington Savings Fund Society
Delaware
EMCIP
836
Ewing Morris & Co Investment Partners
Ontario, Canada
BS
837
Banco Santander
Spain
QIM
838
Quantitative Investment Management
Virginia
Group One Trading
839
Group One Trading
Illinois
JAM
840
Jupiter Asset Management
United Kingdom
FIM
841
Freedom Investment Management
Connecticut
NRD
842
Nebula Research & Development
New York
IC
843
Iconiq Capital
California
SFC
844
Strategic Financial Concepts
Texas
GS
845
GTS Securities
New York
FTUS
846
Flow Traders U.S.
New York
VT
847
Volterra Technologies
New York
BIG
848
Brooklyn Investment Group
New York
CCA
849
Catalyst Capital Advisors
New York
T
850
TOBAM
France