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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
JFGIW
726
Johnson Financial Group Inc (Wisconsin)
Wisconsin
$2.32K
FRA
727
Front Row Advisors
California
$2.32K
WA
728
Westfuller Advisors
New York
$2.32K
NSIM
729
North Star Investment Management
Illinois
$2.32K
PCM
730
Penserra Capital Management
California
$2K
RWS
731
Retirement Wealth Solutions
Wisconsin
$1.99K
MAM
732
Marquette Asset Management
Minnesota
$1.99K
BFS
733
Bare Financial Services
Pennsylvania
$1.99K
IWS
734
Intentional Wealth Strategies
Colorado
$1.99K
HWA
735
Heritage Wealth Advisors
Virginia
$1.99K
ACA
736
American Capital Advisory
Idaho
$1.66K
RWM
737
Rialto Wealth Management
New York
$1.66K
CCWM
738
Cassaday & Co Wealth Management
Virginia
$1.66K
DF
739
Dunhill Financial
United Kingdom
$1.65K
NRG
740
Nemes Rush Group
Michigan
$1.65K
LWM
741
Lodestone Wealth Management
Washington
$1.65K
MA
742
Montag & Associates
Georgia
$1.54K
AWM
743
Abound Wealth Management
Tennessee
$1.44K
BHWM
744
Beaird Harris Wealth Management
Texas
$1.32K
JFA
745
JNBA Financial Advisors
Minnesota
$1.32K
AF
746
Advisornet Financial
Minnesota
$1.32K
GWS
747
Greykasell Wealth Strategies
California
$1.32K
TCM
748
Triumph Capital Management
Colorado
$1.32K
WSFG
749
Wall Street Financial Group
Illinois
$1.32K
NB
750
NBT Bank
New York
$1.32K