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Alnylam Pharmaceuticals

781 hedge funds and large institutions have $42.4B invested in Alnylam Pharmaceuticals in 2026 Q1 according to their latest regulatory filings, with 103 funds opening new positions, 319 increasing their positions, 254 reducing their positions, and 154 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

18% less capital invested

Capital invested by funds: $51.7B → $42.4B (-$9.26B)

25% less funds holding in top 10

Funds holding in top 10: 43 (-1)

33% less first-time investments, than exits

New positions opened: 103 | Existing positions closed: 154

Holders
781
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$450M
Puts
$205M
Net Calls
Net Calls Change

Top Buyers

1 +$1.17B
2 +$916M
3 +$546M
4
Two Sigma Investments
Two Sigma Investments
New York
+$468M
5
ClearBridge Investments
ClearBridge Investments
New York
+$258M

Top Sellers

1 -$1.87B
2 -$450M
3 -$448M
4
Invesco
Invesco
Georgia
-$297M
5
1832 Asset Management
1832 Asset Management
Ontario, Canada
-$175M
Name Holding Trade Value Shares
Change
Change in
Stake
SWP
751
Strategic Wealth Partners
Ohio
$1.24K
CI
752
CX Institutional
Indiana
$1K
WCM
753
Winthrop Capital Management
Indiana
$1K
PJC
754
Phillip James Consulting
Minnesota
$1K
HNW
755
High Note Wealth
Minnesota
$993
1CP
756
1015 Capital Partners
Pennsylvania
$993
MHR
757
Matthew Hamilton Rosenberg
$993
VWM
758
Vermillion Wealth Management
Minnesota
$993
CJ
759
Caitlin John
Michigan
$993
GIA
760
GHP Investment Advisors
Colorado
$993
AA
761
Addison Advisors
Vermont
$993
CA
762
CoreCap Advisors
Michigan
$662
Kayne Anderson Rudnick Investment Management
763
Kayne Anderson Rudnick Investment Management
California
$662
QWM
764
Quaker Wealth Management
New Jersey
$662
TWM
765
TopTier Wealth Management
Wisconsin
$662
IRC
766
Investors Research Corp
Georgia
$662
IPS
767
Investors Portfolio Services
Washington
$587
AWM
768
Activest Wealth Management
Florida
$331
HIA
769
HFM Investment Advisors
New Jersey
$331
CFD
770
Creative Financial Designs
Indiana
$331
GEA
771
Glen Eagle Advisors
New Jersey
$331
SA
772
Seneschal Advisors
Washington
$331
CTC
773
Central Trust Company
Missouri
$331
RJA
774
Ross\Johnson & Associates
Minnesota
$331
DCM
775
Davis Capital Management
Florida
$331