A detailed history of Horizon Kinetics Asset Management LLC transactions in Alnylam Pharmaceuticals, Inc. stock. As of the latest transaction made, Horizon Kinetics Asset Management LLC holds 2,480 shares of ALNY stock, worth $1.11 Million. This represents 0.02% of its overall portfolio holdings.

Number of Shares
2,480
Previous 2,759 10.11%
Holding current value
$1.11 Million
Previous $899,000 25.7%
% of portfolio
0.02%
Previous 0.01%

Shares

6 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2025

Nov 14, 2025

SELL
$311.12 - $482.13 $86,802 - $134,514
-279 Reduced 10.11%
2,480 $1.13 Million
Q2 2025

Aug 12, 2025

SELL
$224.32 - $326.09 $27,142 - $39,456
-121 Reduced 4.2%
2,759 $899,000
Q4 2024

Feb 10, 2025

BUY
$232.27 - $300.43 $28,104 - $36,352
121 Added 4.39%
2,880 $677,000
Q3 2024

Nov 13, 2024

SELL
$233.81 - $287.01 $28,291 - $34,728
-121 Reduced 4.2%
2,759 $758,000
Q4 2023

Feb 15, 2024

SELL
$151.41 - $196.57 $18,169 - $23,588
-120 Reduced 4.0%
2,880 $551,000
Q2 2020

Aug 14, 2020

BUY
$104.21 - $156.44 $312,630 - $469,320
3,000 New
3,000 $444,000

Others Institutions Holding ALNY

About ALNYLAM PHARMACEUTICALS, INC.


  • Ticker ALNY
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Biotechnology
  • Shares Outstandng 123,028,000
  • Market Cap $55.3B
  • Description
  • Alnylam Pharmaceuticals, Inc., a biopharmaceutical company, focuses on discovering, developing, and commercializing novel therapeutics based on ribonucleic acid interference. The company's pipeline of investigational RNAi therapeutics focuses on genetic medicines, cardio-metabolic diseases, hepatic infectious diseases, and central nervous system...
More about ALNY
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