Sector portfolio · VC firm · United States

Andreessen Horowitz's Biotech portfolio

Andreessen Horowitz has backed 36 Biotech startups in rounds we track, $6.3B between them, shown by the stage each has reached. The best-funded is Eqrx.

36startups backed
5stages
$6.3Braised between them
Series Abiggest stage

Andreessen Horowitz's whole portfolioAndreessen Horowitz's profile

Series A

11

Stage not reported

10

Series C and later

7

Series B

6

Pre-seed and seed

2

Segment by segment

Series A

11 startups · $1.7B raised

  1. ErascaErasca is a developer of oncology drugs intended to provide precision oncology options.United States$739M
  2. Tome BiosciencesTome Biosciences is a biotechnology company based in Watertown, MA, focused on advancing programmable genomic integration (PGI) toUnited States$213M
  3. Braveheart BioBraveheart Bio is a clinical-stage biotechnology company focused on developing precision therapies in the cardiovascular disease space.United States$185M
  4. BioAge LabsBioAge Labs is a clinical-stage biotechnology company that develops therapeutics to treat obesity and metabolic diseases.United States$126M
  5. InceptiveInceptive is a biotechnology and artificial intelligence company founded in 2021 and based in Palo Alto, California, with additionUnited States$100M
  6. GC TherapeuticsGC Therapeutics (GCTx) is a biopharmaceutical and biotechnology company based in Cambridge, Massachusetts, founded in 2019.United States$65M
  7. Vicinitas TherapeuticsVicinitas Therapeutics is a biotechnology company founded in 2022 and based in South San Francisco, California.United States$65M
  8. MMavenUnited States$61M

Stage not reported

10 startups · $2.5B raised

  1. EQRxEQRx is a biotechnology company that focuses on re-engineering the process of drug discovery to make them affordable.United States$1.2B
  2. Ultima GenomicsUltima Genomics, Inc.United States$600M
  3. FreenomeFreenome is a biotechnology company with a comprehensive multiomics platform for cancer detection using a routine blood draw.United States$553M
  4. Science ExchangeScience Exchange, the R&D Services Management company, empowers research organizations to accelerate science and drive innovation United States$54M
  5. Scribe TherapeuticsScribe Therapeutics is a biotech company that develops and engineers new therapeutics based on CRISPR molecules.United States$33M
  6. Q BioQ Bio is a healthcare technology company founded in 2015, specializing in creating a clinical digital twin platform for preventive care.United States$27M
  7. Mana.bioMana.bio is an AI-based biotechnology startup founded in 2021, focused on enhancing targeted gene therapy delivery.United States$20M
  8. CloverVC For Work.Canada$6.0M

Series C and later

7 startups · $1.4B raised

  1. GalectoGalecto is a clinical stage biotechnology company focused on the development of novel treatments for fibrosis and cancer.Denmark$365M
  2. AccoladeAccolade® is a premier global investment and advisory firm that strives to provide solutions that create lasting value for our invUnited States$236M
  3. Alpha-9 OncologyAlpha-9 Oncology is a clinical-stage radiopharmaceutical company focused on developing targeted treatments for cancer.Canada$175M
  4. BenchlingBenchling is a cloud-based platform for biotechnology research and development and the only biology-first platform for scientific United States$162M
  5. Doctor on DemandDoctor On Demand is a nationwide virtual healthcare provider based in San Francisco, offering 24/7 access to board-certified physiUnited States$161M
  6. Flatiron HealthFlatiron Health is a healthcare technology company that aims to improve lives by learning from the experience of every cancer patient.United States$151M
  7. uBiomeuBiome is a biotechnology company that offers smart gut tests and clinical microbiome testing services.United States$110M

Series B

6 startups · $781M raised

  1. DHDevoted HealthcareUnited States$300M
  2. BBBolt BiotherapeuticsBolt Biotherapeutics is a biotechnology company that develops a platform for cancer immunotherapy.United States$189M
  3. IIdrxIdrx is a clinical-stage biopharmaceutical company dedicated to transforming cancer treatment.United States$120M
  4. ROME TherapeuticsROME Therapeutics is developing novel therapies for cancer and autoimmune diseases by harnessing the power of the repeatome.United States$72M
  5. Gate BioscienceGate Bioscience is a preclinical biotechnology company based in Brisbane, California, founded in 2021.United States$65M
  6. ElegenElegen 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

  1. Amber BioAmber Bio is a biotechnology company focused on advancing genetic medicine through innovative RNA-based therapeutic platforms.United States$26M
  2. Genesis TherapeuticsGenesis 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.

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