# Andreessen Horowitz's Biotech Investments: 36 Startups in Its Portfolio (2026) > The 36 Biotech startups Andreessen Horowitz has backed, by stage: $6.3B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/andreessen-horowitz-biotech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Series A 11 - [Erasca](https://millionrounds.com/company/erasca) - [Tome Biosciences](https://millionrounds.com/company/tome-biosciences) - [Braveheart Bio](https://millionrounds.com/company/braveheart-bio) - [BioAge Labs](https://millionrounds.com/company/bioage-labs) - [Inceptive](https://millionrounds.com/company/inceptive) - [GC Therapeutics](https://millionrounds.com/company/gc-therapeutics) - [Vicinitas Therapeutics](https://millionrounds.com/company/vicinitas-therapeutics) - [*M* Maven](https://millionrounds.com/company/maven) - [Third Arc Bio](https://millionrounds.com/company/third-arc-bio) - [Arda Therapeutics](https://millionrounds.com/company/arda-therapeutics) - [Topography Health](https://millionrounds.com/company/topography-health) ## Stage not reported 10 - [EQRx](https://millionrounds.com/company/eqrx) - [Ultima Genomics](https://millionrounds.com/company/ultima-genomics) - [Freenome](https://millionrounds.com/company/freenome) - [Science Exchange](https://millionrounds.com/company/science-exchange) - [Scribe Therapeutics](https://millionrounds.com/company/scribe-therapeutics) - [Q Bio](https://millionrounds.com/company/q-bio) - [Mana.bio](https://millionrounds.com/company/mana-bio) - [Clover](https://millionrounds.com/company/clover) - [Nautilus Biotechnology](https://millionrounds.com/company/nautilus-biotechnology) - [Ventus Therapeutics](https://millionrounds.com/company/ventus-therapeutics) ## Series C and later 7 - [Galecto](https://millionrounds.com/company/galecto) - [Accolade](https://millionrounds.com/company/accolade) - [Alpha-9 Oncology](https://millionrounds.com/company/alpha-9-oncology) - [Benchling](https://millionrounds.com/company/benchling) - [Doctor on Demand](https://millionrounds.com/company/doctor-on-demand) - [Flatiron Health](https://millionrounds.com/company/flatiron-health) - [uBiome](https://millionrounds.com/company/ubiome) ## Series B 6 - [*DH* Devoted Healthcare](https://millionrounds.com/company/devoted-healthcare) - [*BB* Bolt Biotherapeutics](https://millionrounds.com/company/bolt-biotherapeutics) - [*I* Idrx](https://millionrounds.com/company/idrx) - [ROME Therapeutics](https://millionrounds.com/company/rome-therapeutics) - [Gate Bioscience](https://millionrounds.com/company/gate-bioscience) - [Elegen](https://millionrounds.com/company/elegen) ## Pre-seed and seed 2 - [Amber Bio](https://millionrounds.com/company/amber-bio) - [Genesis Therapeutics](https://millionrounds.com/company/genesis-therapeutics) ## Segment by segment ### Series A 11 startups · $1.7B raised - [**Erasca**](https://millionrounds.com/company/erasca) Erasca is a developer of oncology drugs intended to provide precision oncology options. United States $739M - [**Tome Biosciences**](https://millionrounds.com/company/tome-biosciences) Tome Biosciences is a biotechnology company based in Watertown, MA, focused on advancing programmable genomic integration (PGI) to United States $213M - [**Braveheart Bio**](https://millionrounds.com/company/braveheart-bio) Braveheart Bio is a clinical-stage biotechnology company focused on developing precision therapies in the cardiovascular disease space. United States $185M - [**BioAge Labs**](https://millionrounds.com/company/bioage-labs) BioAge Labs is a clinical-stage biotechnology company that develops therapeutics to treat obesity and metabolic diseases. United States $126M - [**Inceptive**](https://millionrounds.com/company/inceptive) Inceptive is a biotechnology and artificial intelligence company founded in 2021 and based in Palo Alto, California, with addition United States $100M - [**GC Therapeutics**](https://millionrounds.com/company/gc-therapeutics) GC Therapeutics (GCTx) is a biopharmaceutical and biotechnology company based in Cambridge, Massachusetts, founded in 2019. United States $65M - [**Vicinitas Therapeutics**](https://millionrounds.com/company/vicinitas-therapeutics) Vicinitas Therapeutics is a biotechnology company founded in 2022 and based in South San Francisco, California. United States $65M - [*M* **Maven**](https://millionrounds.com/company/maven) United States $61M ### Stage not reported 10 startups · $2.5B raised - [**EQRx**](https://millionrounds.com/company/eqrx) EQRx is a biotechnology company that focuses on re-engineering the process of drug discovery to make them affordable. United States $1.2B - [**Ultima Genomics**](https://millionrounds.com/company/ultima-genomics) Ultima Genomics, Inc. United States $600M - [**Freenome**](https://millionrounds.com/company/freenome) Freenome is a biotechnology company with a comprehensive multiomics platform for cancer detection using a routine blood draw. United States $553M - [**Science Exchange**](https://millionrounds.com/company/science-exchange) Science Exchange, the R&D Services Management company, empowers research organizations to accelerate science and drive innovation United States $54M - [**Scribe Therapeutics**](https://millionrounds.com/company/scribe-therapeutics) Scribe Therapeutics is a biotech company that develops and engineers new therapeutics based on CRISPR molecules. United States $33M - [**Q Bio**](https://millionrounds.com/company/q-bio) Q Bio is a healthcare technology company founded in 2015, specializing in creating a clinical digital twin platform for preventive care. United States $27M - [**Mana.bio**](https://millionrounds.com/company/mana-bio) Mana.bio is an AI-based biotechnology startup founded in 2021, focused on enhancing targeted gene therapy delivery. United States $20M - [**Clover**](https://millionrounds.com/company/clover) VC For Work. Canada $6.0M ### Series C and later 7 startups · $1.4B raised - [**Galecto**](https://millionrounds.com/company/galecto) Galecto is a clinical stage biotechnology company focused on the development of novel treatments for fibrosis and cancer. Denmark $365M - [**Accolade**](https://millionrounds.com/company/accolade) Accolade® is a premier global investment and advisory firm that strives to provide solutions that create lasting value for our inv United States $236M - [**Alpha-9 Oncology**](https://millionrounds.com/company/alpha-9-oncology) Alpha-9 Oncology is a clinical-stage radiopharmaceutical company focused on developing targeted treatments for cancer. Canada $175M - [**Benchling**](https://millionrounds.com/company/benchling) Benchling is a cloud-based platform for biotechnology research and development and the only biology-first platform for scientific United States $162M - [**Doctor on Demand**](https://millionrounds.com/company/doctor-on-demand) Doctor On Demand is a nationwide virtual healthcare provider based in San Francisco, offering 24/7 access to board-certified physi United States $161M - [**Flatiron Health**](https://millionrounds.com/company/flatiron-health) Flatiron Health is a healthcare technology company that aims to improve lives by learning from the experience of every cancer patient. United States $151M - [**uBiome**](https://millionrounds.com/company/ubiome) uBiome is a biotechnology company that offers smart gut tests and clinical microbiome testing services. United States $110M ### Series B 6 startups · $781M raised - [*DH* **Devoted Healthcare**](https://millionrounds.com/company/devoted-healthcare) United States $300M - [*BB* **Bolt Biotherapeutics**](https://millionrounds.com/company/bolt-biotherapeutics) Bolt Biotherapeutics is a biotechnology company that develops a platform for cancer immunotherapy. United States $189M - [*I* **Idrx**](https://millionrounds.com/company/idrx) Idrx is a clinical-stage biopharmaceutical company dedicated to transforming cancer treatment. United States $120M - [**ROME Therapeutics**](https://millionrounds.com/company/rome-therapeutics) ROME Therapeutics is developing novel therapies for cancer and autoimmune diseases by harnessing the power of the repeatome. United States $72M - [**Gate Bioscience**](https://millionrounds.com/company/gate-bioscience) Gate Bioscience is a preclinical biotechnology company based in Brisbane, California, founded in 2021. United States $65M - [**Elegen**](https://millionrounds.com/company/elegen) Elegen is a biotechnology company founded in 2017 and located in San Carlos/Menlo Park, California. United States $35M ### Pre-seed and seed 2 startups · $30M raised - [**Amber Bio**](https://millionrounds.com/company/amber-bio) Amber Bio is a biotechnology company focused on advancing genetic medicine through innovative RNA-based therapeutic platforms. United States $26M - [**Genesis Therapeutics**](https://millionrounds.com/company/genesis-therapeutics) Genesis Therapeutics is a California-based biotechnology company that discovers and develops novel medicines for the treatment of United States $4.1M **How this map is made.** Every startup here works in Biotech and has raised money in a round we track that names Andreessen Horowitz 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 **Andreessen Horowitz's AI portfolio** 259 startups · $426B](https://millionrounds.com/portfolio-maps/andreessen-horowitz-ai-portfolio)[Sector portfolio **Andreessen Horowitz's Fintech portfolio** 90 startups · $24B](https://millionrounds.com/portfolio-maps/andreessen-horowitz-fintech-portfolio)[Sector portfolio **Andreessen Horowitz's Web3 & Crypto portfolio** 63 startups · $7.9B](https://millionrounds.com/portfolio-maps/andreessen-horowitz-web3-crypto-portfolio)[Sector portfolio **Andreessen Horowitz's IT Services portfolio** 44 startups · $1.4B](https://millionrounds.com/portfolio-maps/andreessen-horowitz-it-services-portfolio)[Sector portfolio **Andreessen Horowitz's Big Data & Analytics portfolio** 42 startups · $3.1B](https://millionrounds.com/portfolio-maps/andreessen-horowitz-big-data-analytics-portfolio)[Sector portfolio **Andreessen Horowitz's Gaming portfolio** 33 startups · $674M](https://millionrounds.com/portfolio-maps/andreessen-horowitz-gaming-portfolio) ## Raising from investors like Andreessen Horowitz? 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