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Series B Companies in San Diego

Explore 38 series b startups based in San Diego, United States. Access verified founder contact information and fundraising data.

Total Companies
38
Total Funding
$1.4B
Avg Funding
$55.8M
Industries
8

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Clean Energy

XENDEE develops advanced software for financial & technical optimization and operation of resilient Microgrids and renewable energy systems.

Sep 2025
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$50.0M
raised

XinThera is a drug discovery company focused on building small molecule oncology and immunology pipeline.

Aug 2021
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$39.8M
raised

Human Longevity is a genomic-based, health intelligence company empowering proactive healthcare and enabling a life better lived.

Aug 2024
Series B

Founder Contacts

30,000+ verified contacts

$63.0M
raised

Aristea Therapeutics is a developer of novel therapies created for autoimmune diseases.

Jul 2021
Series B

Founder Contacts

30,000+ verified contacts

Health Care
$10.0M
raised

Octet Medical is focused on stem cell technology, burn treatment and wound care using electro-spinning technologies.

Jul 2023
Series B

Founder Contacts

30,000+ verified contacts

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Biotechnology
$50.0M
raised

Sirius Therapeutics is an innovative biotechnology company that focuses on RNAi therapies for cardiovascular diseases.

May 2025
Series B

Founder Contacts

30,000+ verified contacts

Health Care
$15.0M
raised

Livara Health is a provider of non-operative, personalized treatment for musculoskeletal conditions.

May 2024
Series B

Founder Contacts

30,000+ verified contacts

$137.0M
raised

Sidewinder Therapeutics is a biotechnology company that offers life-saving therapies for cancer and rare diseases.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

Aerospace
$82.0M
raised

Firestorm develops modular, mission-adaptable unmanned aerial systems (UAS) designed for military applications.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

Health Care
$42.0M
raised

Concert Health focuses on building an integrated behavioral health system.

Apr 2022
Series B

Founder Contacts

30,000+ verified contacts

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$23.0M
raised

Abrexa Pharmaceuticals is a developer of drugs designed to treat Alzheimer disease.

Apr 2025
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$125.0M
raised

Ray Therapeutics is a biotech company that develops optogenetic gene therapies for patients with blinding diseases.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$100.0M
raised

Neomorph develops protein degradation therapies targeting diseases not addressed by conventional treatments.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

Database
$15.0M
raised

The modern cloud-based data modeling platform for collaborative enterprise teams.

Mar 2024
Series B

Founder Contacts

30,000+ verified contacts

$175.0M
raised

Capstan Therapeutics develops in vivo mRNA and gene-editing medicines for a broad range of diseases.

Mar 2024
Series B

Founder Contacts

30,000+ verified contacts

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Biotechnology
$45.2M
raised

Empirico is a developer of an insights platform designed to turn biological insights from human genetics into new medicines.

Mar 2023
Series B

Founder Contacts

30,000+ verified contacts

$167.0M
raised

Engrail Therapeutics is a developer of medicines to transform the lives of patients with life-limiting diseases of the nervous system.

Mar 2024
Series B

Founder Contacts

30,000+ verified contacts

$7.0M
raised

Cellics is committed to saving lives and improving patients’ health using innovative biomimetic nanomedicines.

Feb 2022
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$60.0M
raised

Avenzo Therapeutics specializes in the development of oncology therapies for cancer treatment.

Sep 2025
Series B

Founder Contacts

30,000+ verified contacts

Enterprise Software
$9.0M
raised

Trovata makes it easy for businesses to automate cash reporting, forecasting, and analysis through direct API connections to most banks.

Jul 2025
Series B

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Bioinformatics
$66.0M
raised

Actio Biosciences is a research center that develops drugs for rare diseases.

Jun 2025
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$18.0M
raised

Gallant is advancing investigational stem cell therapies to help give pets more good years, making regenerative care more accessible.

Mar 2025
Series B

Founder Contacts

30,000+ verified contacts

Biopharma
$25.0M
raised

Pleno is a biotechnology company that aims speeding up disease diagnosis and treatment.

Dec 2024
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$50.0M
raised

858 Therapeutics develops small molecule drugs targeting oncology and immunology.

Sep 2024
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$21.8M
raised

Kate Therapeutics is a biotechnology company focused on developing next-generation gene therapies for muscle and heart diseases.

Aug 2024
Series B

Founder Contacts

30,000+ verified contacts

Showing 1 to 25 of 38 companies

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