# Oxford Science Enterprises' Biotech Investments: 20 Startups in Its Portfolio (2026) > The 20 Biotech startups Oxford Science Enterprises has backed, by stage: $1.0B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/oxford-science-enterprises-biotech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Series A 8 - [Alethio Therapeutics](https://millionrounds.com/company/alethio-therapeutics) - [Nucleome Therapeutics](https://millionrounds.com/company/nucleome-therapeutics) - [Sensible Biotechnologies](https://millionrounds.com/company/sensible-biotechnologies) - [Theolytics](https://millionrounds.com/company/theolytics) - [Kesmalea Therapeutics](https://millionrounds.com/company/kesmalea-therapeutics) - [Refeyn](https://millionrounds.com/company/refeyn) - [*V* Vaccitech](https://millionrounds.com/company/vaccitech) - [Oxford Endovascular](https://millionrounds.com/company/oxford-endovascular) ## Pre-seed and seed 6 - [Vivid Dx](https://millionrounds.com/company/vivid-dx) - [*OD* Orbit Discovery](https://millionrounds.com/company/orbit-discovery) - [Scripta Therapeutics](https://millionrounds.com/company/scripta-therapeutics) - [DJS Antibodies](https://millionrounds.com/company/djs-antibodies) - [Alethiomics](https://millionrounds.com/company/alethiomics) - [*C* Caristo](https://millionrounds.com/company/caristo) ## Series B 3 - [Greywolf Therapeutics](https://millionrounds.com/company/grey-wolf-therapeutics) - [MiroBio](https://millionrounds.com/company/mirobio) - [*O* ONI](https://millionrounds.com/company/oni) ## Stage not reported 3 - [Pepgen](https://millionrounds.com/company/pepgen) - [Amber Therapeutics](https://millionrounds.com/company/amber-therapeutics) - [SpyBiotech](https://millionrounds.com/company/spybiotech) ## Segment by segment ### Series A 8 startups · $379M raised - [**Alethio Therapeutics**](https://millionrounds.com/company/alethio-therapeutics) Alethio Therapeutics is a preclinical-stage biotechnology company based in Abingdon Science Park near Oxford, UK. United Kingdom $98M - [**Nucleome Therapeutics**](https://millionrounds.com/company/nucleome-therapeutics) Nucleome Therapeutics is a biotechnology company founded in 2019 and based in Oxford, United Kingdom. United Kingdom $66M - [**Sensible Biotechnologies**](https://millionrounds.com/company/sensible-biotechnologies) Sensible Biotechnologies is a biotechnology company based in Boston, with additional locations in Oxford and Bratislava. Slovakia $51M - [**Theolytics**](https://millionrounds.com/company/theolytics) Theolytics is a clinical stage biotechnology company developing next-generation viral therapies. United Kingdom $48M - [**Kesmalea Therapeutics**](https://millionrounds.com/company/kesmalea-therapeutics) Kesmalea Therapeutics is a biotech startup focusing on the discovery of novel protein degraders. United Kingdom $38M - [**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 - [*V* **Vaccitech**](https://millionrounds.com/company/vaccitech) United Kingdom $28M - [**Oxford Endovascular**](https://millionrounds.com/company/oxford-endovascular) Oxford Endovascular are developing a novel treatment for treating brain aneurysms. United Kingdom $21M ### Pre-seed and seed 6 startups · $67M raised - [**Vivid Dx**](https://millionrounds.com/company/vivid-dx) Vivid Dx is a UK-based precision diagnostics company that specializes in the rapid detection of sepsis-causing pathogens and antim United Kingdom $19M - [*OD* **Orbit Discovery**](https://millionrounds.com/company/orbit-discovery) United Kingdom $17M - [**Scripta Therapeutics**](https://millionrounds.com/company/scripta-therapeutics) Scripta Therapeutics operates as a bio-tech company. United Kingdom $12M - [**DJS Antibodies**](https://millionrounds.com/company/djs-antibodies) DJS Antibodies designs and discovers novel therapeutic monoclonal antibodies against GPCRs. - $8.0M - [**Alethiomics**](https://millionrounds.com/company/alethiomics) Alethiomics is a biotech company harnessing the power of single-cell multi-omic technology to discover & develop treatment for blood cancer. United Kingdom $8.0M - [*C* **Caristo**](https://millionrounds.com/company/caristo) United Kingdom $3.1M ### Series B 3 startups · $363M raised - [**Greywolf Therapeutics**](https://millionrounds.com/company/grey-wolf-therapeutics) Greywolf Therapeutics is a clinical-stage biotechnology company based in Oxford, United Kingdom. United Kingdom $144M - [**MiroBio**](https://millionrounds.com/company/mirobio) MiroBio is Harnessing the natural control mechanisms of the immune system. United Kingdom $144M - [*O* **ONI**](https://millionrounds.com/company/oni) ONI is a marketing agency that offers services in printing, SEA, SEO, and social network platforms. United Kingdom $75M ### Stage not reported 3 startups · $221M raised - [**Pepgen**](https://millionrounds.com/company/pepgen) PepGen is empowering nucleic acid therapeutics to go the distance. United Kingdom $115M - [**Amber Therapeutics**](https://millionrounds.com/company/amber-therapeutics) Amber Therapeutics is a clinical-stage medical technology company based in London, founded in 2021 as a spinout from the Universit United Kingdom $102M - [**SpyBiotech**](https://millionrounds.com/company/spybiotech) SpyBiotech Operators of a biotechnology platform intended to generate next-generation vaccines. United Kingdom $4.1M **How this map is made.** Every startup here works in Biotech and has raised money in a round we track that names Oxford Science Enterprises 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) [Portfolio map **Oxford Science Enterprises portfolio map** 53 startups · $3.6B](https://millionrounds.com/portfolio-maps/oxford-science-enterprises-portfolio-map)[Co-investors **Who invests with Oxford Science Enterprises** 32 co-investors](https://millionrounds.com/portfolio-maps/oxford-science-enterprises-co-investors)[Sector portfolio **Antler's AI portfolio** 168 startups · $3.8B](https://millionrounds.com/portfolio-maps/antler-ai-portfolio)[Sector portfolio **Index Ventures' AI portfolio** 126 startups · $49B](https://millionrounds.com/portfolio-maps/index-ventures-ai-portfolio)[Sector portfolio **Innovate UK's Biotech portfolio** 88 startups · $1.7B](https://millionrounds.com/portfolio-maps/innovate-uk-biotech-portfolio)[Sector portfolio **GSR's Web3 & Crypto portfolio** 77 startups · $4.2B](https://millionrounds.com/portfolio-maps/gsr-web3-crypto-portfolio) ## Raising from investors like Oxford Science Enterprises? Find the investors who back startups like yours, with their cheques, rounds and partners, in the app with filters, lists and exports. [Find investors](https://millionrounds.com/login?join=1&next=/app/investors)[Market maps](https://millionrounds.com/market-maps)