# Horizons Ventures' Biotech Investments: 19 Startups in Its Portfolio (2026) > The 19 Biotech startups Horizons Ventures has backed, by stage: $961M raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/horizons-ventures-biotech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Series A 8 - [Kimia Therapeutics](https://millionrounds.com/company/kimia-therapeutics) - [Federation Bio](https://millionrounds.com/company/federation-bio) - [Kelonia Therapeutics](https://millionrounds.com/company/kelonia-therapeutics) - [Refeyn](https://millionrounds.com/company/refeyn) - [Xampla](https://millionrounds.com/company/xampla) - [iota Biosciences](https://millionrounds.com/company/iota-biosciences) - [Cauldron Ferm](https://millionrounds.com/company/cauldron-ferm) - [Keel Labs](https://millionrounds.com/company/keel-labs) ## Series B 3 - [Surrozen](https://millionrounds.com/company/surrozen) - [FogPharma](https://millionrounds.com/company/fogpharma) - [*I* InteraXon](https://millionrounds.com/company/interaxon) ## Pre-seed and seed 3 - [BioLoomics](https://millionrounds.com/company/bioloomics) - [*MO* Mark One](https://millionrounds.com/company/mark-one) - [Greenteaspoon](https://millionrounds.com/company/greenteaspoon) ## Stage not reported 3 - [Kytopen](https://millionrounds.com/company/kytopen) - [Concerto Biosciences](https://millionrounds.com/company/concerto-biosciences) - [Marvel Biosciences](https://millionrounds.com/company/marvel-biosciences) ## Series C and later 2 - [Owlstone Medical](https://millionrounds.com/company/owlstone-medical) - [Evolve BioSystems](https://millionrounds.com/company/evolve-biosystems) ## Segment by segment ### Series A 8 startups · $250M raised - [**Kimia Therapeutics**](https://millionrounds.com/company/kimia-therapeutics) Kimia Therapeutics, Inc. United States $55M - [**Federation Bio**](https://millionrounds.com/company/federation-bio) Federation Bio is a biotechnology firm that develops and commercializes therapeutics for the treatment of durably reverse serious diseases. United States $50M - [**Kelonia Therapeutics**](https://millionrounds.com/company/kelonia-therapeutics) Kelonia Therapeutics is developing a new wave of genetic medicines using its next-generation vivo gene delivery platform. United States $50M - [**Refeyn**](https://millionrounds.com/company/refeyn) Refeyn is an innovative company founded in 2018 as a spinout from Oxford University, specializing in mass photometry. United Kingdom $30M - [**Xampla**](https://millionrounds.com/company/xampla) Xampla is a materials innovation company based in Cambridge, UK, founded in 2018 as a spin-out from the University of Cambridge. United Kingdom $23M - [**iota Biosciences**](https://millionrounds.com/company/iota-biosciences) Iota Biosciences is a Biotech Company. United States $15M - [**Cauldron Ferm**](https://millionrounds.com/company/cauldron-ferm) Cauldron Ferm is a biomanufacturing company based in Orange, New South Wales, specializing in continuous hyper-fermentation technology. Australia $13M - [**Keel Labs**](https://millionrounds.com/company/keel-labs) Keel Labs is a sustainable materials company located in Morrisville, North Carolina. United States $13M ### Series B 3 startups · $357M raised - [**Surrozen**](https://millionrounds.com/company/surrozen) Surrozen is a biopharmaceutical that focuses on unlocking the body’s regenerative power to treat injury and disease. United States $258M - [**FogPharma**](https://millionrounds.com/company/fogpharma) FogPharma is a biopharmaceutical firm that develops precision medicines for the vast majority of therapeutic targets. United States $66M - [*I* **InteraXon**](https://millionrounds.com/company/interaxon) Canada $33M ### Pre-seed and seed 3 startups · $19M raised - [**BioLoomics**](https://millionrounds.com/company/bioloomics) BioLoomics is a preclinical-stage biotechnology company based in Boulder, Colorado, focused on developing next-generation antibody United States $8.7M - [*MO* **Mark One**](https://millionrounds.com/company/mark-one) United States $7.0M - [**Greenteaspoon**](https://millionrounds.com/company/greenteaspoon) Greenteaspoon is a biotechnology company developing prebiotics and probiotics that harness the power of the microbiome. - $3.5M ### Stage not reported 3 startups · $59M raised - [**Kytopen**](https://millionrounds.com/company/kytopen) Kytopen is a biotechnology company based in Cambridge, Massachusetts, founded in 2017 as an MIT spin-out. United States $35M - [**Concerto Biosciences**](https://millionrounds.com/company/concerto-biosciences) Concerto Biosciences is a biotechnology company based in Cambridge, Massachusetts, focused on developing microbe-based therapies a United States $23M - [**Marvel Biosciences**](https://millionrounds.com/company/marvel-biosciences) Marvel Biosciences is a life sciences company. Canada $361K ### Series C and later 2 startups · $277M raised - [**Owlstone Medical**](https://millionrounds.com/company/owlstone-medical) Owlstone Medical is a diagnostics company that developed a non-invasive breathalyzer for infectious disease detection. United Kingdom $153M - [**Evolve BioSystems**](https://millionrounds.com/company/evolve-biosystems) Evolve Biosystems provides microbiome-based products. United States $124M **How this map is made.** Every startup here works in Biotech and has raised money in a round we track that names Horizons Ventures as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Sector portfolio **Horizons Ventures' AI portfolio** 13 startups · $638M](https://millionrounds.com/portfolio-maps/horizons-ventures-ai-portfolio)[Sector portfolio **Horizons Ventures' Fintech portfolio** 11 startups · $2.1B](https://millionrounds.com/portfolio-maps/horizons-ventures-fintech-portfolio)[Co-investors **Who invests with Horizons Ventures** 93 co-investors](https://millionrounds.com/portfolio-maps/horizons-ventures-co-investors)[Portfolio map **Horizons Ventures portfolio map** 69 startups · $11B](https://millionrounds.com/portfolio-maps/horizons-ventures-portfolio-map)[Investments abroad **Horizons Ventures' investments in the United States** 47 startups · $13B](https://millionrounds.com/portfolio-maps/horizons-ventures-investments-united-states)[Sector portfolio **Qiming Venture Partners' Biotech portfolio** 57 startups · $6.9B](https://millionrounds.com/portfolio-maps/qiming-venture-partners-biotech-portfolio) ## Raising from investors like Horizons Ventures? 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