ALK B on Nasdaq Copenhagen A/S

ALK-Abelló

Logo: Unknown author Unknown author, Public domain, via Wikimedia Commons3

Danish pharmaceutical company

ALK-Abelló A/S (Nasdaq Copenhagen: ALK B), also commonly known as ALK, is a Denmark-based pharmaceutical company which specializes in the development and manufacturing of allergy immunotherapy (AIT) products for the prevention and treatment of allergy. It is one of the world's largest makers of allergy immunotherapy products (also known as ‘allergy vaccines’) with 67% of its revenue coming from sales in Europe.2 From Wikipedia, CC BY-SA 4.0

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Last updated Oct 16, 2026.

Overview

1923Founded1

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  • TickerALK B on Nasdaq Copenhagen A/S1
  • Industrypharmaceutical industry1
  • HeadquartersHørsholm1
  • Websitealk.net

ALK-Abelló A/S (Nasdaq Copenhagen: ALK B), also commonly known as ALK, is a Denmark-based pharmaceutical company which specializes in the development and manufacturing of allergy immunotherapy (AIT) products for the prevention and treatment of allergy. It is one of the world's largest makers of allergy immunotherapy products (also known as ‘allergy vaccines’) with 67% of its revenue coming from sales in Europe.2

How it started

History

ALK-Abello dates back to 1923, when Denmark's first allergen extracts were produced at the pharmacy of the Copenhagen University Hospital. The company was subsequently established as Allergologisk Laboratorium København. The company has since focused on mapping the mechanisms of allergic impact on the immune system in order to develop new and improved allergy therapies. The research focuses on prevention, treatment, and management of allergies, especially hay fever and asthma. In 1925, Juan Abello Pascual founded Abello Pharmaceuticals in Spain.

In 1978, ALK released the first standardized line of products for the treatment of allergies. In 1992, ALK and Abello merged. In the 1990s, ALK was the first company to launch sublingual immunotherapy drops (allergy immunotherapy administered as droplets under the tongue). In recent years, ALK's research and development strategy has been focused on introducing a range of sublingual immunotherapy tablets (SLIT-tablets). The first, for grass pollen allergy, was launched in 2006, and was followed by SLIT-tablets for ragweed pollen allergy in 2014, and house dust mite allergy in 2016. The company is part-owned by the Lundbeck Foundation, however is also a publicly traded entity.

From Wikipedia’s article on ALK-Abelló, shared under CC BY-SA 4.0.2

Timeline

  1. 1923Founded Founded1

Sources

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