# Rock Springs Capital's Biotech Investments: 15 Startups in Its Portfolio (2026) > The 15 Biotech startups Rock Springs Capital has backed, by stage: $3.4B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/rock-springs-capital-biotech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Series C and later 10 - [Kymera Therapeutics](https://millionrounds.com/company/kymera-therapeutics) - [Apollo Therapeutics](https://millionrounds.com/company/apollo-therapeutics) - [Coherus Biosciences](https://millionrounds.com/company/coherus-biosciences) - [Imperative Care](https://millionrounds.com/company/imperative-care) - [*D* Dermira](https://millionrounds.com/company/dermira) - [Mersana Therapeutics](https://millionrounds.com/company/mersana-therapeutics) - [*3B* 3-V Biosciences](https://millionrounds.com/company/3-v-biosciences) - [Vedanta Biosciences](https://millionrounds.com/company/vedanta-biosciences) - [Civitas Therapeutics](https://millionrounds.com/company/civitas-therapeutics) - [Clearside Biomedical](https://millionrounds.com/company/clearside-biomedical) ## Series B 5 - [*CT* Cidara Therapeutics](https://millionrounds.com/company/cidara-therapeutics) - [*CT* City Therapeutics](https://millionrounds.com/company/city-therapeutics) - [Vigil Neuroscience](https://millionrounds.com/company/vigil-neuroscience) - [Ra Pharmaceuticals](https://millionrounds.com/company/ra-pharmaceuticals) - [Nivalis Therapeutics](https://millionrounds.com/company/nivalis-therapeutics) ## Segment by segment ### Series C and later 10 startups · $2.5B raised - [**Kymera Therapeutics**](https://millionrounds.com/company/kymera-therapeutics) Kymera Therapeutics is a biotechnology company that specializes in the field of targeted protein degradation. United States $799M - [**Apollo Therapeutics**](https://millionrounds.com/company/apollo-therapeutics) Apollo Therapeutics is a biopharmaceutical company focused on developing innovative medicines by translating fundamental medical r United Kingdom $400M - [**Coherus Biosciences**](https://millionrounds.com/company/coherus-biosciences) Coherus Biosciences develops, manufactures, and commercializes biologic therapeutics for oncology and inflammatory diseases. United States $299M - [**Imperative Care**](https://millionrounds.com/company/imperative-care) Imperative Care is a medical technology company based in Campbell, California, focused on developing innovations for patients with United States $196M - [*D* **Dermira**](https://millionrounds.com/company/dermira) Dermira is a development-stage biotech company focused on developing and commercializing innovative new therapies in dermatology. United States $169M - [**Mersana Therapeutics**](https://millionrounds.com/company/mersana-therapeutics) Mersana Therapeutics develops a biodegradable polymer platform Fleximer® which creates new and better medicines. United States $148M - [*3B* **3-V Biosciences**](https://millionrounds.com/company/3-v-biosciences) United States $146M - [**Vedanta Biosciences**](https://millionrounds.com/company/vedanta-biosciences) Vedanta Biosciences creates microbiome-derived therapies to address immune and infectious diseases by modulating the gut microbiota. United States $143M ### Series B 5 startups · $945M raised - [*CT* **Cidara Therapeutics**](https://millionrounds.com/company/cidara-therapeutics) Cidara Therapeutics is a biotechnology company that specializes in the fields of healthcare and therapeutics. United States $463M - [*CT* **City Therapeutics**](https://millionrounds.com/company/city-therapeutics) United States $235M - [**Vigil Neuroscience**](https://millionrounds.com/company/vigil-neuroscience) Vigil Neuroscience is a biotechnology company that develops novel therapeutics for neurodegenerative diseases. United States $130M - [**Ra Pharmaceuticals**](https://millionrounds.com/company/ra-pharmaceuticals) Ra Pharma is developing Cyclomimetics, a new drug class combining the properties and benefits of antibodies and small molecules. United States $77M - [**Nivalis Therapeutics**](https://millionrounds.com/company/nivalis-therapeutics) Nivalis Therapeutics is a clinical-stage pharmaceutical company developing a novel class of disease modifying therapies. United States $40M **How this map is made.** Every startup here works in Biotech and has raised money in a round we track that names Rock Springs Capital 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) [Co-investors **Who invests with Rock Springs Capital** 28 co-investors](https://millionrounds.com/portfolio-maps/rock-springs-capital-co-investors)[Sector portfolio **Maverick Silicon's AI portfolio** 10 startups · $4.7B](https://millionrounds.com/portfolio-maps/maverick-silicon-ai-portfolio)[Sector portfolio **Y Combinator's AI portfolio** 1,143 startups · $44B](https://millionrounds.com/portfolio-maps/y-combinator-ai-portfolio)[Sector portfolio **Y Combinator's Fintech portfolio** 338 startups · $24B](https://millionrounds.com/portfolio-maps/y-combinator-fintech-portfolio)[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) ## Raising from investors like Rock Springs Capital? 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)