Sector portfolio · VC firm · United States

GlaxoSmithKline's Biotech portfolio

GlaxoSmithKline has backed 12 Biotech startups in rounds we track, $2.6B between them, shown by the stage each has reached. The best-funded is 23andme.

12startups backed
3stages
$2.6Braised between them
Series C and laterbiggest stage

GlaxoSmithKline's profile

Series C and later

5

Stage not reported

5

Series B

2

Segment by segment

Series C and later

5 startups · $1.7B raised

  1. 23andMeUnited States$729M
  2. AAtrecaAtreca develops a technology to identify the set of antibodies produced during an immune response, without prior knowledge of an antigen.United States$313M
  3. SetPoint MedicalSetPoint Medical is a commercial-stage medical technology company founded in 2007, focused on developing bioelectronic therapies fUnited States$256M
  4. Spero TherapeuticsSpero Therapeutics develops therapeutics for treatment of gram-negative infections.United States$199M
  5. Decibel TherapeuticsDecibel Therapeutics is a hearing company focused on discovering and developing new medicines to protect, repair, and restore hearing.United States$189M

Stage not reported

5 startups · $501M raised

  1. EpizymeEpizyme is a biopharmaceutical company focusing on treatments for blood cancer and tumors.United States$332M
  2. Chroma TherapeuticsChroma Therapeutics is a biotechnology company located in Oxford/Abingdon, UK.United Kingdom$78M
  3. NPNeuroTherapeutics PharmaNeuroTherapeutics Pharma is a biopharmaceutical company developing new therapies to treat pain, epilepsy, and other nervous system disorder.United States$58M
  4. SitryxSitryx is a clinical-stage biopharmaceutical company based in Oxford, UK, specializing in immunometabolism.United Kingdom$30M
  5. GPGladius PharmaceuticalsGladius Pharmaceuticals is a biotechnology firm developing novel drugs to treat life-threateningCanada$3.3M

Series B

2 startups · $432M raised

  1. SpringWorks TherapeuticsSpringWorks Therapeutics is a biopharmaceutical company that develops medicines for patients with severe rare diseases and cancer.United States$400M
  2. ZZappRxZappRx is a digital health company that is modernizing and simplifying the way specialty drugs are orderedUnited States$32M

How this map is made. Every startup here works in Biotech and has raised money in a round we track that names GlaxoSmithKline as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.

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