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Owlstone Medical Closes $58 Million USD (c. £42 Million GBP) Oversubscribed Financing Round to Continue to Advance Breath Biopsy

  • Date 23 Sep 2021
  • Round led by Horizons Ventures, joined by new high-profile global investors
  •  Investment will fund further platform development, and advancement and commercialization of proprietary tests in lung cancer, liver disease, respiratory disease, and digestive health


Cambridge, UK, September 7 2021: Owlstone Medical (or the “Company”), the global leader in Breath Biopsy® for applications in early disease detection and precision medicine, today announced the close of its Series D financing round. Due to the high level of interest in this capital raise, the Company has significantly exceeded its $50 million target, securing $58 million in funding (c. £42 million) and bringing the total raised by the Company to over $150 million (c. £109 million) since founding in 2016. The round was led by returning investor Horizons Ventures, which now takes a seat on Owlstone Medical’s Board, and is joined by other existing and high-profile new investors from Asia, the Middle East and the United States.

Owlstone Medical has developed a unique proprietary platform in Breath Biopsy capable of both use in routine diagnostic testing and in biomarker discovery. Today, the Company is generating revenue by providing research products and services to leading pharmaceutical and academic organizations as well as having a robust pipeline of Research Use Only (RUO) Panels and diagnostic Tests in development in lung cancer, liver disease, and respiratory disease. This financing will accelerate the development and commercialization of these tests and facilitate further advancements in the Breath Biopsy platform.

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