# Flagship Ventures' Biotech Investments: 10 Startups in Its Portfolio (2026) > The 10 Biotech startups Flagship Ventures has backed, by stage: $1.5B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/flagship-ventures-biotech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Series B 5 - [Denali Therapeutics](https://millionrounds.com/company/denali-therapeutics) - [Editas Medicine](https://millionrounds.com/company/editas-medicine) - [Syros Pharmaceuticals](https://millionrounds.com/company/syros-pharmaceuticals) - [Renovis](https://millionrounds.com/company/renovis) - [Ensemble Discovery](https://millionrounds.com/company/ensemble-discovery) ## Series C and later 3 - [Visterra](https://millionrounds.com/company/visterra) - [Quanterix](https://millionrounds.com/company/quanterix) - [*SS* Seventh Sense Biosystems](https://millionrounds.com/company/seventh-sense-biosystems) ## Stage not reported 2 - [BIND Therapeutics](https://millionrounds.com/company/bind-therapeutics) - [*RP* Resolvyx Pharmaceuticals](https://millionrounds.com/company/resolvyx-pharmaceuticals) ## Segment by segment ### Series B 5 startups · $1.1B raised - [**Denali Therapeutics**](https://millionrounds.com/company/denali-therapeutics) Denali Therapeutics is dedicated to defeating neurodegenerative diseases to deliver safe and effective medicines to patients and families. United States $547M - [**Editas Medicine**](https://millionrounds.com/company/editas-medicine) Editas Medicine is a clinical-stage genome editing company that develops genomic medicines for serious diseases. United States $335M - [**Syros Pharmaceuticals**](https://millionrounds.com/company/syros-pharmaceuticals) Syros Pharmaceuticals is a life sciences company that focuses on treating diseases by mapping gene regulatory circuits. United States $128M - [**Renovis**](https://millionrounds.com/company/renovis) Renovis,is a biopharmaceutical company developing drugs to treat neurological diseases and disorders. United States $34M - [**Ensemble Discovery**](https://millionrounds.com/company/ensemble-discovery) Ensemble develops Ensemblins to treat diseases by addressing drug targets that are currently inaccessible with small molecule drugs. United States $30M ### Series C and later 3 startups · $225M raised - [**Visterra**](https://millionrounds.com/company/visterra) Visterra researches on and develops therapeutic and diagnostic products for the treatment of infectious diseases. United States $120M - [**Quanterix**](https://millionrounds.com/company/quanterix) Quanterix is a biotechnology company that develops ultrasensitive biomarker detection for healthcare. United States $52M - [*SS* **Seventh Sense Biosystems**](https://millionrounds.com/company/seventh-sense-biosystems) United States $52M ### Stage not reported 2 startups · $159M raised - [**BIND Therapeutics**](https://millionrounds.com/company/bind-therapeutics) BIND Therapeutics is a biotechnology company incorporated in 2006; Pfizer acquired substantially all of its assets in 2016. United States $138M - [*RP* **Resolvyx Pharmaceuticals**](https://millionrounds.com/company/resolvyx-pharmaceuticals) Resolvyx Pharmaceuticals develops therapeutics with small molecule lipid mediators for the treatment of inflammatory diseases. United States $21M **How this map is made.** Every startup here works in Biotech and has raised money in a round we track that names Flagship 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) [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)[Sector portfolio **Andreessen Horowitz's AI portfolio** 259 startups · $426B](https://millionrounds.com/portfolio-maps/andreessen-horowitz-ai-portfolio)[Sector portfolio **National Science Foundation's Biotech portfolio** 250 startups · $2.0B](https://millionrounds.com/portfolio-maps/nsf-small-business-innovation-research-small-business-techno-biotech-portfolio) ## Raising from investors like Flagship Ventures? 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)