# Lightstone Ventures' Biotech Investments: 13 Startups in Its Portfolio (2026) > The 13 Biotech startups Lightstone Ventures has backed, by stage: $1.4B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/lightstone-ventures-biotech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Series B 5 - [FIRE1](https://millionrounds.com/company/fire1) - [Vigil Neuroscience](https://millionrounds.com/company/vigil-neuroscience) - [Ra Pharmaceuticals](https://millionrounds.com/company/ra-pharmaceuticals) - [Nimbus Therapeutics](https://millionrounds.com/company/nimbus-therapeutics) - [*C* Cyteir](https://millionrounds.com/company/cyteir) ## Series C and later 4 - [Atsena Therapeutics](https://millionrounds.com/company/atsena-therapeutics) - [Cerevance](https://millionrounds.com/company/cerevance) - [Allay Therapeutics](https://millionrounds.com/company/allay-therapeutics) - [*CM* Claret Medical](https://millionrounds.com/company/claret-medical) ## Stage not reported 2 - [EarLens](https://millionrounds.com/company/earlens) - [Nuvaira](https://millionrounds.com/company/nuvaira) ## Series A 2 - [*GT* Gemini Therapeutics](https://millionrounds.com/company/gemini-therapeutics) - [Locana](https://millionrounds.com/company/locana) ## Segment by segment ### Series B 5 startups · $478M raised - [**FIRE1**](https://millionrounds.com/company/fire1) FIRE1, officially known as The Foundry Innovation and Research 1, Ltd., is a connected medical device company based in Dublin, Ireland. Ireland $170M - [**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 - [**Nimbus Therapeutics**](https://millionrounds.com/company/nimbus-therapeutics) Nimbus Therapeutics is a clinical-stage biotechnology company based in Boston, Massachusetts, founded in 2009. United States $72M - [*C* **Cyteir**](https://millionrounds.com/company/cyteir) United States $29M ### Series C and later 4 startups · $340M raised - [**Atsena Therapeutics**](https://millionrounds.com/company/atsena-therapeutics) Atsena Therapeutics is a clinical-stage gene therapy company based in Durham, North Carolina, focused on developing treatments for United States $150M - [**Cerevance**](https://millionrounds.com/company/cerevance) Cerevance is a private, clinical-stage biopharmaceutical company based in Boston, Massachusetts, founded in 2016. United States $89M - [**Allay Therapeutics**](https://millionrounds.com/company/allay-therapeutics) Allay Therapeutics is a clinical-stage biotechnology company based in San Jose, California, with operations in Singapore. United States $58M - [*CM* **Claret Medical**](https://millionrounds.com/company/claret-medical) United States $44M ### Stage not reported 2 startups · $363M raised - [**EarLens**](https://millionrounds.com/company/earlens) Earlens is a medical technology company transforming the hearing experience with the only direct sound delivery system. United States $248M - [**Nuvaira**](https://millionrounds.com/company/nuvaira) Nuvaira is a new alternative COPD treatment option that specializes in developing devices for treating lung diseases. United States $115M ### Series A 2 startups · $193M raised - [*GT* **Gemini Therapeutics**](https://millionrounds.com/company/gemini-therapeutics) Gemini Therapeutics focuses on genetically-defined dry age-related macular degeneration (AMD) and associated rare genetic diseases. United States $138M - [**Locana**](https://millionrounds.com/company/locana) Locana is a location and mapping technology company that provides geospatial solutions and applications. United States $55M **How this map is made.** Every startup here works in Biotech and has raised money in a round we track that names Lightstone 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) [Co-investors **Who invests with Lightstone Ventures** 20 co-investors](https://millionrounds.com/portfolio-maps/lightstone-ventures-co-investors)[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) ## Raising from investors like Lightstone Ventures? 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