# Top 50 Biotech Startups in San Diego by Funding (2026)

> The 50 best-funded biotech startups in San Diego, ranked by total funding raised: $9.3B combined. With founding year, headquarters and each company's rounds.

Source: https://millionrounds.com/top-lists/biotech-startups-san-diego (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Candid Therapeutics** Candid Therapeutics was a clinical-stage biotechnology company based in San Diego, California, founded in 2024.](https://millionrounds.com/company/candid-therapeutics) Candid Therapeutics was a clinical-stage biotechnology company based in San Diego, California, founded in 2024. *Founded* 2024 San Diego, United States **$875M** last round Mar 2026
- 2 [**Avidity Biosciences** Synapse Energy Economics is a consulting firm providing economic and policy analysis for the electric power sector.](https://millionrounds.com/company/avidity-biosciences) Synapse Energy Economics is a consulting firm providing economic and policy analysis for the electric power sector. *Founded* 2012 San Diego, United States **$790M** last round Sept 2025
- 3 [**Erasca** Erasca is a developer of oncology drugs intended to provide precision oncology options.](https://millionrounds.com/company/erasca) Erasca is a developer of oncology drugs intended to provide precision oncology options. *Founded* 2018 San Diego, United States **$739M** last round Jul 2026
- 4 [**Gossamer Bio** Gossamer Bio is a biopharmaceutical company focused on the discovery and development of novel and differentiated therapeutic products.](https://millionrounds.com/company/gossamer-bio) Gossamer Bio is a biopharmaceutical company focused on the discovery and development of novel and differentiated therapeutic products. *Founded* 2015 San Diego, United States **$567M** last round Sept 2026
- 5 [**Cidara Therapeutics** Cidara Therapeutics is a biotechnology company that specializes in the fields of healthcare and therapeutics.](https://millionrounds.com/company/cidara-therapeutics) Cidara Therapeutics is a biotechnology company that specializes in the fields of healthcare and therapeutics. *Founded* 2012 San Diego, United States **$463M** last round Oct 2025
- 6 [**Artiva Biotherapeutics** Artiva Biotherapeutics is a biotech company focused on developing and commercializing allogeneic natural killer (NK) cell therapies.](https://millionrounds.com/company/artiva-biotherapeutics) Artiva Biotherapeutics is a biotech company focused on developing and commercializing allogeneic natural killer (NK) cell therapies. *Founded* 2019 San Diego, United States **$420M** last round May 2026
- 7 [**Belite Bio** Belite Bio is a clinical stage biopharmaceutical drug development company.](https://millionrounds.com/company/belite-bio) Belite Bio is a clinical stage biopharmaceutical drug development company. *Founded* 2018 San Diego, United States **$350M** last round Dec 2025
- 8 [**Mirador Therapeutics** Mirador Therapeutics is a clinical-stage precision medicine company based in San Diego, California.](https://millionrounds.com/company/mirador-therapeutics) Mirador Therapeutics is a clinical-stage precision medicine company based in San Diego, California. *Founded* 2024 San Diego, United States **$250M** last round Jan 2026
- 9 [**Poseida Therapeutics** Poseida Therapeutics is a biopharmaceutical company utilizing gene engineering capabilities to develop targeted therapeutics.](https://millionrounds.com/company/poseida-therapeutics) Poseida Therapeutics is a biopharmaceutical company utilizing gene engineering capabilities to develop targeted therapeutics. *Founded* 2014 San Diego, United States **$217M** last round Aug 2023
- 10 [**Genomatica** Genomatica manufactures sustainable chemicals from renewable feedstocks.](https://millionrounds.com/company/genomatica) Genomatica manufactures sustainable chemicals from renewable feedstocks. *Founded* 2000 San Diego, United States **$203M** last round Oct 2018
- 11 [**Element Biosciences** Element Biosciences is a biotechnology company based in San Diego, founded in 2017 by former Illumina scientists.](https://millionrounds.com/company/element-biosciences) Element Biosciences is a biotechnology company based in San Diego, founded in 2017 by former Illumina scientists. *Founded* 2017 San Diego, United States **$190M** last round Jun 2026
- 12 [**ViaCyte** ViaCyte is a cellular therapy and regenerative medicine company based in San Diego, California.](https://millionrounds.com/company/viacyte) ViaCyte is a cellular therapy and regenerative medicine company based in San Diego, California. *Founded* - San Diego, United States **$188M** last round Nov 2018
- 13 [**aTyr Pharma** aTyr Pharma (Nasdaq: LIFE) is a biotherapeutics company engaged in the discovery and development of innovative medicines based on novel biological pathways.](https://millionrounds.com/company/atyr-pharma) aTyr Pharma (Nasdaq: LIFE) is a biotherapeutics company engaged in the discovery and development of innovative medicines based on novel biological pathways. *Founded* - San Diego, United States **$181M** last round Mar 2015
- 14 [**Capstan Therapeutics** Capstan Therapeutics is advancing cell engineering to develop therapeutics for a broad range of diseases.](https://millionrounds.com/company/capstan-therapeutics) Capstan Therapeutics is advancing cell engineering to develop therapeutics for a broad range of diseases. *Founded* 2021 San Diego, United States **$175M** last round Mar 2024
- 15 [**Epic Sciences** Epic Sciences is a diagnostics company improving cancer management by providing real-time biopsy material to guide personalized medicine.](https://millionrounds.com/company/epic-sciences) Epic Sciences is a diagnostics company improving cancer management by providing real-time biopsy material to guide personalized medicine. *Founded* 2008 San Diego, United States **$165M** last round Apr 2023
- 16 [**RayzeBio** RayzeBio is a pharmaceuticals company that develops targeted radiopharmaceutical drugs for cancer.](https://millionrounds.com/company/rayzebio) RayzeBio is a pharmaceuticals company that develops targeted radiopharmaceutical drugs for cancer. *Founded* 2018 San Diego, United States **$160M** last round Sept 2022
- 17 [**Suneva Medical** Suneva Medical, Inc.](https://millionrounds.com/company/suneva-medical) Suneva Medical, Inc. *Founded* 2009 San Diego, United States **$155M** last round Jun 2016
- 18 [**Cerulean Pharma** Cerulean Pharma develops nanotechnology-based therapeutics for treating oncology, cardiovascular, autoimmune and inflammatory diseases.](https://millionrounds.com/company/cerulean-pharma) Cerulean Pharma develops nanotechnology-based therapeutics for treating oncology, cardiovascular, autoimmune and inflammatory diseases. *Founded* 2006 San Diego, United States **$152M** last round Apr 2015
- 19 [**Sidewinder Therapeutics** Sidewinder Therapeutics is a biotechnology company that offers life-saving therapies for cancer and rare diseases.](https://millionrounds.com/company/sidewinder-therapeutics) Sidewinder Therapeutics is a biotechnology company that offers life-saving therapies for cancer and rare diseases. *Founded* 2023 San Diego, United States **$137M** last round Apr 2026
- 20 [**Endeavor BioMedicines** Endeavor BioMedicines is a clinical-stage biotechnology company based in San Diego, California, founded in 2019.](https://millionrounds.com/company/endeavor-biomedicines) Endeavor BioMedicines is a clinical-stage biotechnology company based in San Diego, California, founded in 2019. *Founded* 2018 San Diego, United States **$133M** last round Apr 2024
- 21 [**Aspen Neuroscience** Aspen Neuroscience is a biotechnology company that specializes in personalized cell therapies.](https://millionrounds.com/company/aspen-neuroscience) Aspen Neuroscience is a biotechnology company that specializes in personalized cell therapies. *Founded* 2018 San Diego, United States **$122M** last round Nov 2025
- 22 [**Escient Pharmaceuticals** Escient Pharmaceuticals is a privately-held biotechnology company focusing on the advancement of G Protein-Coupled Receptor targeted drugs.](https://millionrounds.com/company/escient-pharmaceuticals) Escient Pharmaceuticals is a privately-held biotechnology company focusing on the advancement of G Protein-Coupled Receptor targeted drugs. *Founded* 2018 San Diego, United States **$120M** last round Nov 2022
- 23 [**Elcelyx Therapeutics** Elcelyx Therapeutics is developing nutrient sensing-based products for weight management and obesity-related metabolic disorders.](https://millionrounds.com/company/elcelyx-therapeutics) Elcelyx Therapeutics is developing nutrient sensing-based products for weight management and obesity-related metabolic disorders. *Founded* 2010 San Diego, United States **$117M** last round Oct 2015
- 24 [**Biolinq** Biolinq is a private healthcare technology company based in San Diego, California, founded in 2012.](https://millionrounds.com/company/biolinq) Biolinq is a private healthcare technology company based in San Diego, California, founded in 2012. *Founded* 2012 San Diego, United States **$115M** last round Mar 2025
- 25 [**Accumetrics** Accumetrics develops, manufactures, and markets the VerifyNow System, a suite of assays for the assessment of platelet function](https://millionrounds.com/company/accumetrics) Accumetrics develops, manufactures, and markets the VerifyNow System, a suite of assays for the assessment of platelet function *Founded* 1996 San Diego, United States **$111M** last round Aug 2013
- 26 [**RayThera** RayThera is dedicated to developing small molecule therapies specifically targeting unmet needs in immunology.](https://millionrounds.com/company/raythera) RayThera is dedicated to developing small molecule therapies specifically targeting unmet needs in immunology. *Founded* - San Diego, United States **$110M** last round Apr 2025
- 27 [**Human Longevity** Human Longevity is a genomic-based, health intelligence company empowering proactive healthcare and enabling a life better lived.](https://millionrounds.com/company/human-longevity) Human Longevity is a genomic-based, health intelligence company empowering proactive healthcare and enabling a life better lived. *Founded* 2013 San Diego, United States **$110M** last round Aug 2024
- 28 [**Rakuten Medical** Rakuten Medical, Inc.](https://millionrounds.com/company/rakuten-medical) Rakuten Medical, Inc. *Founded* 2010 San Diego, United States **$109M** last round Oct 2026
- 29 [**Reneo Pharmaceuticals** Reneo Pharmaceuticals is an operator of a pharmaceutical company used to develop therapies for patients with orphan metabolic diseases.](https://millionrounds.com/company/reneo-pharmaceuticals) Reneo Pharmaceuticals is an operator of a pharmaceutical company used to develop therapies for patients with orphan metabolic diseases. *Founded* 2014 San Diego, United States **$105M** last round May 2023
- 30 [**Truvian Sciences** Truvian Sciences develops an automated benchtop system to provide lab-accurate blood testing results.](https://millionrounds.com/company/truvian-sciences) Truvian Sciences develops an automated benchtop system to provide lab-accurate blood testing results. *Founded* 2015 San Diego, United States **$101M** last round Jul 2024
- 31 [**Contineum Therapeutics** Contineum Therapeutics is a developer of regenerative therapies designed to promote functional recovery of neurological diseases.](https://millionrounds.com/company/contineum-therapeutics) Contineum Therapeutics is a developer of regenerative therapies designed to promote functional recovery of neurological diseases. *Founded* 2017 San Diego, United States **$99M** last round Dec 2025
- 32 [**Effector Therapeutics** Effector Therapeutics is an early-stage company focused on the discovery and development of small molecule cancer therapeutics.](https://millionrounds.com/company/effector-therapeutics) Effector Therapeutics is an early-stage company focused on the discovery and development of small molecule cancer therapeutics. *Founded* 2012 San Diego, United States **$99M** last round Jan 2024
- 33 [**Cebix** Cebix is a biopharmaceutical company focused on the treatment of diabetic complications.](https://millionrounds.com/company/cebix) Cebix is a biopharmaceutical company focused on the treatment of diabetic complications. *Founded* 2008 San Diego, United States **$96M** last round Nov 2014
- 34 [**Insightful Science** Insightful Science provides software designed to support scientists with research and development procedures.](https://millionrounds.com/company/insightful-science) Insightful Science provides software designed to support scientists with research and development procedures. *Founded* 2017 San Diego, United States **$95M** last round Dec 2021
- 35 [**Genalyte** Genalyte is a life sciences company developing and commercializing innovative next-generation multiplexing technology.](https://millionrounds.com/company/genalyte) Genalyte is a life sciences company developing and commercializing innovative next-generation multiplexing technology. *Founded* 2007 San Diego, United States **$92M** last round Nov 2016
- 36 [**Plexium** Plexium is a biotechnology company based in San Diego, California, founded in 2018.](https://millionrounds.com/company/plexium) Plexium is a biotechnology company based in San Diego, California, founded in 2018. *Founded* 2018 San Diego, United States **$88M** last round Aug 2025
- 37 [**AnaptysBio** AnaptysBio ($ANAB) is a clinical-stage biotechnology company focused on transforming patient health by discovering and developing innovative immunology therapeutics.](https://millionrounds.com/company/anaptysbio) AnaptysBio ($ANAB) is a clinical-stage biotechnology company focused on transforming patient health by discovering and developing innovative immunology therapeutics. *Founded* 2005 San Diego, United States **$85M** last round Jul 2015
- 38 [**Aardvark Therapeutics** Aardvark Therapeutics specializes in small molecule therapeutics for obesity and rare genetic metabolic disorders.](https://millionrounds.com/company/aardvark-therapeutics) Aardvark Therapeutics specializes in small molecule therapeutics for obesity and rare genetic metabolic disorders. *Founded* 2017 San Diego, United States **$85M** last round May 2024
- 39 [**Epirium Bio** Epirium Bio is a clinical-stage biopharmaceutical company based in San Diego, California.](https://millionrounds.com/company/epirium-bio) Epirium Bio is a clinical-stage biopharmaceutical company based in San Diego, California. *Founded* 2008 San Diego, United States **$85M** last round Dec 2019
- 40 [**MBrace Therapeutics** MBrace Therapeutics is a clinical-stage biopharmaceutical company founded in 2020 and based in San Diego, California.](https://millionrounds.com/company/mbrace-therapeutics) MBrace Therapeutics is a clinical-stage biopharmaceutical company founded in 2020 and based in San Diego, California. *Founded* 2020 San Diego, United States **$85M** last round Nov 2023
- 41 [**Lassen Therapeutics** Lassen Therapeutics is a clinical-stage biopharmaceutical company based in San Diego, California.](https://millionrounds.com/company/lassen-therapeutics) Lassen Therapeutics is a clinical-stage biopharmaceutical company based in San Diego, California. *Founded* 2019 San Diego, United States **$85M** last round Dec 2023
- 42 [**Aristea Therapeutics** Aristea Therapeutics is a developer of novel therapies created for autoimmune diseases.](https://millionrounds.com/company/aristea-therapeutics) Aristea Therapeutics is a developer of novel therapies created for autoimmune diseases. *Founded* 2018 San Diego, United States **$78M** last round Jul 2021
- 43 [**IconOVir Bio** IconOVir Bio is a biotechnology company based in San Diego, California, founded in 2018.](https://millionrounds.com/company/iconovir-bio) IconOVir Bio is a biotechnology company based in San Diego, California, founded in 2018. *Founded* 2018 San Diego, United States **$77M** last round Jan 2021
- 44 [**Telesis Bio** Telesis Bio is a biotech company that empowers researchers with the tools to secure design, code, and create synthetic DNA and mRNA.](https://millionrounds.com/company/telesis-bio) Telesis Bio is a biotech company that empowers researchers with the tools to secure design, code, and create synthetic DNA and mRNA. *Founded* 2013 San Diego, United States **$74M** last round May 2023
- 45 [**Lumena Pharmaceuticals** Lumena Pharmaceuticals develops oral therapeutics for rare liver diseases to improve liver function and relieve disease symptoms.](https://millionrounds.com/company/lumena-pharmaceuticals) Lumena Pharmaceuticals develops oral therapeutics for rare liver diseases to improve liver function and relieve disease symptoms. *Founded* 2011 San Diego, United States **$71M** last round Mar 2014
- 46 [**Cibus** Cibus offers precision gene editing in agriculture to make farming more environmentally friendly, sustainable, and profitable.](https://millionrounds.com/company/cibus) Cibus offers precision gene editing in agriculture to make farming more environmentally friendly, sustainable, and profitable. *Founded* 2001 San Diego, United States **$70M** last round Jun 2018
- 47 [**Propeller Health** Propeller Health, now operating as Reciprocal Labs Corporation under ResMed, was a digital therapeutics company founded in 2010.](https://millionrounds.com/company/propeller-health) Propeller Health, now operating as Reciprocal Labs Corporation under ResMed, was a digital therapeutics company founded in 2010. *Founded* 2010 San Diego, United States **$70M** last round May 2018
- 48 [**Cullgen** Cullgen is a drug discovery services intended to create new drugs for the treatment of diseases that currently lack effective therapies.](https://millionrounds.com/company/cullgen) Cullgen is a drug discovery services intended to create new drugs for the treatment of diseases that currently lack effective therapies. *Founded* 2018 San Diego, United States **$66M** last round May 2023
- 49 [**Actio Biosciences** Actio Biosciences is a research center that develops drugs for rare diseases.](https://millionrounds.com/company/actio-biosciences) Actio Biosciences is a research center that develops drugs for rare diseases. *Founded* 2021 San Diego, United States **$66M** last round Jun 2025
- 50 [**Genoa Pharmaceuticals** Genoa Pharmaceuticals developes improved therapies for the treatment of Idiopathic Pulmonary Fibrosis (IPF).](https://millionrounds.com/company/genoa-pharmaceuticals) Genoa Pharmaceuticals developes improved therapies for the treatment of Idiopathic Pulmonary Fibrosis (IPF). *Founded* 2011 San Diego, United States **$63M** last round May 2017

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

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## More biotech lists

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