# GlaxoSmithKline's Biotech Investments: 12 Startups in Its Portfolio (2026) > The 12 Biotech startups GlaxoSmithKline has backed, by stage: $2.6B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/glaxosmithkline-biotech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Series C and later 5 - [23andMe](https://millionrounds.com/company/23andme) - [*A* Atreca](https://millionrounds.com/company/atreca) - [SetPoint Medical](https://millionrounds.com/company/setpoint-medical) - [Spero Therapeutics](https://millionrounds.com/company/spero-therapeutics) - [Decibel Therapeutics](https://millionrounds.com/company/decibel-therapeutics) ## Stage not reported 5 - [Epizyme](https://millionrounds.com/company/epizyme) - [Chroma Therapeutics](https://millionrounds.com/company/chroma-therapeutics) - [*NP* NeuroTherapeutics Pharma](https://millionrounds.com/company/neurotherapeutics-pharma) - [Sitryx](https://millionrounds.com/company/sitryx) - [*GP* Gladius Pharmaceuticals](https://millionrounds.com/company/gladius-pharmaceuticals) ## Series B 2 - [SpringWorks Therapeutics](https://millionrounds.com/company/springworks-therapeutics) - [*Z* ZappRx](https://millionrounds.com/company/zapprx) ## Segment by segment ### Series C and later 5 startups · $1.7B raised - [**23andMe**](https://millionrounds.com/company/23andme) United States $729M - [*A* **Atreca**](https://millionrounds.com/company/atreca) Atreca develops a technology to identify the set of antibodies produced during an immune response, without prior knowledge of an antigen. United States $313M - [**SetPoint Medical**](https://millionrounds.com/company/setpoint-medical) SetPoint Medical is a commercial-stage medical technology company founded in 2007, focused on developing bioelectronic therapies f United States $256M - [**Spero Therapeutics**](https://millionrounds.com/company/spero-therapeutics) Spero Therapeutics develops therapeutics for treatment of gram-negative infections. United States $199M - [**Decibel Therapeutics**](https://millionrounds.com/company/decibel-therapeutics) Decibel 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 - [**Epizyme**](https://millionrounds.com/company/epizyme) Epizyme is a biopharmaceutical company focusing on treatments for blood cancer and tumors. United States $332M - [**Chroma Therapeutics**](https://millionrounds.com/company/chroma-therapeutics) Chroma Therapeutics is a biotechnology company located in Oxford/Abingdon, UK. United Kingdom $78M - [*NP* **NeuroTherapeutics Pharma**](https://millionrounds.com/company/neurotherapeutics-pharma) NeuroTherapeutics Pharma is a biopharmaceutical company developing new therapies to treat pain, epilepsy, and other nervous system disorder. United States $58M - [**Sitryx**](https://millionrounds.com/company/sitryx) Sitryx is a clinical-stage biopharmaceutical company based in Oxford, UK, specializing in immunometabolism. United Kingdom $30M - [*GP* **Gladius Pharmaceuticals**](https://millionrounds.com/company/gladius-pharmaceuticals) Gladius Pharmaceuticals is a biotechnology firm developing novel drugs to treat life-threatening Canada $3.3M ### Series B 2 startups · $432M raised - [**SpringWorks Therapeutics**](https://millionrounds.com/company/springworks-therapeutics) SpringWorks Therapeutics is a biopharmaceutical company that develops medicines for patients with severe rare diseases and cancer. United States $400M - [*Z* **ZappRx**](https://millionrounds.com/company/zapprx) ZappRx is a digital health company that is modernizing and simplifying the way specialty drugs are ordered United 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. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Sector portfolio **Techstars' AI portfolio** 336 startups · $4.9B](https://millionrounds.com/portfolio-maps/techstars-ai-portfolio)[Sector portfolio **Alumni Ventures' AI portfolio** 302 startups · $36B](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-ai-portfolio)[Sector portfolio **Andreessen Horowitz's AI portfolio** 259 startups · $426B](https://millionrounds.com/portfolio-maps/andreessen-horowitz-ai-portfolio)[Sector portfolio **General Catalyst's AI portfolio** 226 startups · $179B](https://millionrounds.com/portfolio-maps/general-catalyst-ai-portfolio)[Sector portfolio **Sequoia Capital's AI portfolio** 209 startups · $543B](https://millionrounds.com/portfolio-maps/sequoia-capital-ai-portfolio)[Sector portfolio **Khosla Ventures' AI portfolio** 176 startups · $251B](https://millionrounds.com/portfolio-maps/khosla-ventures-ai-portfolio) ## Raising from investors like GlaxoSmithKline? 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