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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
ORG
851
Optimist Retirement Group
Washington
CG
852
Cynosure Group
Utah
PMAM
853
Picton Mahoney Asset Management
Ontario, Canada
PCM
854
Prelude Capital Management
New York
WWC
855
Waypoint Wealth Counsel
Georgia
BFIM
856
Beese Fulmer Investment Management
Ohio
JTWM
857
Jackson Thornton Wealth Management
Alabama
HAG
858
HighPoint Advisor Group
Illinois
BAM
859
Blueshift Asset Management
New Jersey
PWM
860
Perigon Wealth Management
California
WCP
861
Wick Capital Partners
Pennsylvania
KRW
862
Kaufman Rossin Wealth
Florida
BS
863
Banco Santander
Spain
SFC
864
SYM Financial Corp
Indiana
MF
865
Meridian Financial
Massachusetts
G
866
GenTrust
Florida
AWM
867
Ariadne Wealth Management
California
SRL
868
Scientech Research LLC
New Jersey
SAI
869
Savvy Advisors Inc
New York
WFI
870
West Family Investments
California
JRPIM
871
Journey Retirement Planning & Investment Management
Idaho
TCA
872
Transcend Capital Advisors
New Jersey
EA
873
Everpar Advisors
Oklahoma
CPIG
874
Chicago Partners Investment Group
Illinois
WC
875
Waterloo Capital
Texas