ALNY icon

Alnylam Pharmaceuticals

832 hedge funds and large institutions have $51.6B invested in Alnylam Pharmaceuticals in 2025 Q4 according to their latest regulatory filings, with 160 funds opening new positions, 283 increasing their positions, 290 reducing their positions, and 115 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

less ownership

Funds ownership:

2% less repeat investments, than reductions

Existing positions increased: 283 | Existing positions reduced: 290

13% less capital invested

Capital invested by funds: $59.2B → $51.6B (-$7.57B)

69% less funds holding in top 10

Funds holding in top 10: 134 (-9)

Holders
832
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$760M
Puts
$448M
Net Calls
Net Calls Change

Top Buyers

1 +$303M
2 +$220M
3 +$158M
4
UBS Group
UBS Group
Switzerland
+$149M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$108M

Top Sellers

1 -$635M
2 -$383M
3 -$360M
4
Jane Street
Jane Street
New York
-$287M
5
Macquarie Group
Macquarie Group
Australia
-$276M
Name Holding Trade Value Shares
Change
Change in
Stake
BHWM
801
Beaird Harris Wealth Management
Texas
$1.59K
UFPG
802
United Financial Planning Group
New York
$1.59K
JWM
803
Jessup Wealth Management
Ohio
$1.59K
JFA
804
JNBA Financial Advisors
Minnesota
$1.59K
Kayne Anderson Rudnick Investment Management
805
Kayne Anderson Rudnick Investment Management
California
$1.44K
WWA
806
Wealth Watch Advisors
Colorado
$1.19K
TPCW
807
TD Private Client Wealth
New York
$1.19K
RWM
808
Rialto Wealth Management
New York
$1.19K
MHR
809
Matthew Hamilton Rosenberg
$1.19K
DT
810
DV Trading
Illinois
$1.19K
FCAS
811
First Command Advisory Services
Texas
$1.19K
IBOK
812
Independence Bank of Kentucky
Kentucky
$1.19K
IPS
813
Investors Portfolio Services
Washington
$1.13K
OAJ
814
Ogorek Anthony Joseph
New York
$1K
PEAK6
815
PEAK6
Illinois
$866
RWS
816
Retirement Wealth Solutions
Wisconsin
$796
BIM
817
Breakwater Investment Management
Washington
$796
QWM
818
Quaker Wealth Management
New Jersey
$796
AWA
819
Acumen Wealth Advisors
Tennessee
$796
CFD
820
Creative Financial Designs
Indiana
$795
BGA
821
Battery Global Advisors
Massachusetts
$795
CTC
822
Central Trust Company
Missouri
$553
BFS
823
Bare Financial Services
Pennsylvania
$398
RJA
824
Ross\Johnson & Associates
Minnesota
$398
SA
825
Seneschal Advisors
Washington
$398