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Alnylam Pharmaceuticals

785 hedge funds and large institutions have $42.5B invested in Alnylam Pharmaceuticals in 2026 Q1 according to their latest regulatory filings, with 102 funds opening new positions, 320 increasing their positions, 257 reducing their positions, and 153 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 → $42.5B (-$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: 102 | Existing positions closed: 153

Holders
785
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
PWMG
651
Private Wealth Management Group
New Jersey
$20.8K
TC
652
Truvestments Capital
Florida
$19.9K
GTAM
653
Global Trust Asset Management
Florida
$19.9K
TPCW
654
TD Private Client Wealth
New York
$19.5K
EC
655
Elequin Capital
New York
$18.9K
SS
656
SBI Securities
Japan
$18.5K
PTC
657
Private Trust Company
Ohio
$18.5K
SIS
658
Sound Income Strategies
Florida
$18.4K
BBHC
659
Brown Brothers Harriman & Co
New York
$18.2K
BIA
660
Bell Investment Advisors
California
$17.5K
KAS
661
Kemnay Advisory Services
New York
$17.5K
RIAS
662
Rachor Investment Advisory Services
Michigan
$16.5K
SJIM
663
St. Johns Investment Management
Florida
$16.5K
IBOK
664
Independence Bank of Kentucky
Kentucky
$16.5K
BL
665
BFSG LLC
California
$16.5K
PFSC
666
Peoples Financial Services Corp
Pennsylvania
$16.5K
PSB
667
Piscataqua Savings Bank
New Hampshire
$16.5K
JWM
668
JPL Wealth Management
Colorado
$15.9K
AW
669
Avion Wealth
Texas
$15K
QT
670
Quantbot Technologies
New York
$14.9K
CFSG
671
Community Financial Services Group
Vermont
$14.8K
GBT
672
Grove Bank & Trust
Florida
$13.9K
PWAM
673
Private Wealth Asset Management
Iowa
$13.6K
JWA
674
JFS Wealth Advisors
Pennsylvania
$13.2K
APW
675
Aventura Private Wealth
Florida
$13.2K