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Biotechnology & Life Sciences startups in Southern California

The life-science research base behind San Diego's and Los Angeles's biotech reputations: platforms, tools, diagnostics and therapeutics spun out of UCSD, Scripps, Caltech and UCLA.

193
companies
$13.72B
total raised
27
cities

Companies

Debt Financing$16.5M
Ocular Science
El Segundo, CA

Biotech making affordable corrective eye-care products for physicians.

Debt FinancingHealthcare
Blueprints AI Inc. hero photo
Blueprints AI Inc.
Santa Monica, CA

AI platform that generates code-compliant architectural, structural, and MEP construction documents from sketches, CAD files, or plain-language descriptions.

Real Estate and Construction
Series B$50.0M
Khartis Therapeutics
San Diego, CA · Founded 2024

Khartis Therapeutics is a San Diego biotechnology company developing oral small-molecule medicines targeting clinically validated immunology pathways. Its lead program is an oral; selective IGF-1R inh

Series BImmunology
Series B$37.8M
Amplifica
San Diego, CA · Founded 2021

Amplifica is a San Diego clinical-stage biopharmaceutical company developing injectable treatments for hair loss. Rather than slowing loss; its approach works on the signalling molecules that govern t

Series BBiotechnology
Series B$335.0M
Crystalys Therapeutics
San Diego, CA · Founded 2025 · 31 employees

Crystalys Therapeutics is a San Diego clinical-stage biotechnology company developing treatments for gout; a disease it argues remains badly served despite being common. Its lead candidate is in pivot

Series BTherapeutics
Series B$207.0M
Wugen
San Diego, CA · 64 employees

Wugen is an off-the-shelf Cell Therapies for Cancer founded by Matthew Cooper; Todd Fehniger; Melissa Berrien-Elliott and John DiPersio.

Series BCAR T-Cell therapy
Evotrex hero photo
Series A$30.0M
Evotrex
Los Angeles, CA · ~11-50 employees

Evotrex is electrifying the RV by designing its products as mobile energy systems combining onboard power generation, energy storage, and intelligent energy management.

Series AIndustrials
Series A$32.7M
Onchilles Pharma
San Diego, CA · Founded 2017 · 10 employees

Founded in 2017; Onchilles Pharma is a drug-discovery and development company pioneering first-in-class cytotoxic therapies that selectively kill cancer cells while preserving and activating immune fu

Series ABiotechnology
Seed$4.6M
Rarity PBC
Los Angeles, CA · Founded 2023 · 5 employees

Rarity PBC is a public benefit biotechnology company developing gene therapies for rare diseases; with an explicit focus on affordability and access.

SeedBiotechnology
Series A$13.0M
Wolf Games
Los Angeles, CA · 28 employees

Wolf Games builds AI-generated daily games that publishers and brands embed in their own sites: murder mysteries and puzzles generated from a customer's trending articles; refreshed every day; with st

Series AGaming
Series A$10.0M
Salt AI
Los Angeles, CA · Founded 2024 · 31 employees

Salt AI sells Salt OS; an AI workflow orchestration platform for regulated industries; life sciences; financial services; energy and government; that runs inside a customer's own infrastructure and is

Series AArtificial Intelligence (AI)
Series B$25.0M
Quilter
Los Angeles, CA · Founded 2019 · 51 employees

Quilter uses physics-driven AI to automate printed circuit board layout; generating and validating board designs without manual routing.

Series BElectronic design automation
Series E$378.0M
Divergent
Torrance, CA · Founded 2014 · 351 employees

Divergent designs; prints and assembles complex metal structures on what it calls the Divergent Adaptive Production System (DAPS); an end-to-end line that runs from AI-driven generative design through

Series EAutomotive industry
Series A$54.0M
DEBUT BIOTECHNOLOGY, INC.
Carlsbad, CA · Founded 2019 · 95 employees

DEBUT BIOTECHNOLOGY; INC. is a Carlsbad; California-based company founded in 2019.

Series ABiotech
Series A$52.0M
Arnatar Therapeutics
San Diego, CA · Founded 2022 · 20 employees

Arnatar Therapeutics develops RNA medicines from a platform it calls DARGER; which pairs highly active siRNA for silencing a gene with ACT-UP1; an antisense technology that does the opposite and incre

Series ARNA-based and RNA-targeted therapeutics
$66.0M
Actio Biosciences
San Diego, CA · Founded 2021 · 31 employees

Actio Biosciences is a biotechnology company pioneering precision medicine by developing genetically targeted therapies for both rare and common diseases. Leveraging advanced genomics; Actio aims to t

Biotechnology
Series A$21.0M
Parallel Bio
Los Angeles, CA · Founded 2020 · 20 employees

Parallel Bio is a Los Angeles; California-based biotechnology company developing curative immunotherapies and related technologies.

Series ABiotechnology
Seed$5.1M
Liminal Experiences
Santa Monica, CA · 6 employees

Liminal is a brand-new user-generated content game for narrative action role-playing games.

SeedAugmented reality
Seed$4.3M
Uthana
Los Angeles, CA · 6 employees

Uthana operates as a 3D character animation studio that uses generative AI.

SeedArtificial Intelligence (AI)
Series D$623.1M
Inari
Irvine, CA · Founded 2016 · 33 employees

Inari is a biotechnology and agricultural technology company

Series DTechnology
Series B$40.0M
Pleno
San Diego, CA · 31 employees

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

Series BBiotechnology
Series B$180.0M
Terray Therapeutics
Pasadena, CA · Founded 2018 · 50 employees

Terray Therapeutics is a Los Angeles-based biotechnology company that combines ultra-high throughput experimentation; generative AI; biology; medicinal chemistry; automation; and nanotechnology to exp

Series BBiotechnology
Seed$32.0M
Plai Labs
Los Angeles, CA

Plai /plā/ (verb) : To engage in artificial intelligence for the purpose of enjoyment and recreation.

SeedGenerative AI & LLMs
Series A$99.0M
Alterome Therapeutics, Inc.
San Diego, CA · Founded 2021

Alterome Therapeutics; Inc. is an oncology Treatments founded in 2021 by Eric Murphy.

Series ABiotechnology
$15.7M
Abintus Bio, Inc.
San Diego, CA · Founded 2020 · 31 employees

Abintus Bio; Inc. is a San Diego-based; preclinical stage gene therapy company focused on the discovery and development of a portfolio of product candidates that are designed to directly reprogram imm

CAR T-Cell therapy
Series B$83.0M
Molecular Assemblies, Inc.
San Diego, CA · Founded 2013 · 31 employees

Molecular Assemblies; Inc. is an enzymatic DNA synthesis technology founded in 2013 by Curt Becker; Bill Efcavitch and William Efcavitch.

Series BConsumer biotechnology
$4.3M
ImmunoVec, Inc.
Santa Monica, CA · Founded 2019

ImmunoVec; Inc. is a Santa Monica; California-based company founded in 2019.

Biotech
Series B$686.0M
AvantStay
West Hollywood, CA · Founded 2017 · 575 employees

AvantStay is a premier next-generation hospitality platform for short-term rentals (STRs).

Series BHospitality industry
Series A$87.7M
1859
San Diego, CA · Founded 2019 · 126 employees

A biotechnology company focused on the discovery and development of next-generation therapeutics.

Series AArtificial Intelligence (AI)
$229.0M
Shoreline Biosciences, Inc.
San Diego, CA · Founded 2020 · 126 employees

Shoreline Biosciences; Inc. is a Cell-Based Immunotherapies; founded in 2020. It has raised $229M across 4 funding rounds; most recently a $140M in November 2021; from investors including Janus Capita

Cell therapy
Series B$43.0M
Zerigo Health
San Diego, CA

Clarify Medical is a developer of a handheld medical device used to treat psoriasis; eczema; and vitiligo .

Series BBiotechnology
$37.0M
MosaicML
San Diego, CA · Founded 2021 · 126 employees

MosaicML is a San Francisco-based company offering a generative AI platform for enterprises to build their own AI systems.

Generative AI
$399.9M
Genomatica
San Diego, CA · Founded 2000 · 126 employees

Genomatica; which trades as Geno; is a San Diego industrial biotechnology company founded in 2000 by Christophe Schilling. It engineers micro-organisms and the bioprocesses around them so that widely

Biotechnology
$125.9M
Kumquat Biosciences Inc
San Diego, CA · Founded 2018 · 80 employees

Kumquat Biosciences is a San Diego-based biotechnology company focused on the research and development of oncology medicines.

Therapeutics
$20.0M
Nanocellect Biomedical
San Diego, CA · Founded 2009 · 126 employees

Nanocellect biomedical is a life science tools company manufacturing cell sorters using proprietary technology.

Medical device
Series C$291.0M
Element Biosciences
San Diego, CA

Element Biosciences is a genetic analysis tools.

Series CBiomedical engineering
Series D$328.8M
ViaCyte
San Diego, CA · Founded 1999 · 126 employees

ViaCyte is a biotechnology company using stem cells to create pancreatic beta cell precursors for treating diabetes.

Series DStem cell
Series C$258.0M
RayzeBio
San Diego, CA · 51 employees

Operator of a biotechnology company intended to improve outcomes for people with cancer. The company offers a pipeline against validated oncology targets to deliver radioisotopes that emit alpha parti

Series CBiomedical engineering
Series D$799.0M
Biosplice Therapeutics
San Diego, CA · Founded 2008 · 30 employees

Biosplice Therapeutics is a clinical-stage biotechnology company developing lorecivivint; an injectable small-molecule CLK/DYRK-family inhibitor for knee osteoarthritis.

Series DBiotechnology
Series A$58.0M
Fortis Therapeutics
San Diego, CA · Founded 2016 · 31 employees

Fortis Therapeutics is a San Diego; CA-based immuno-oncology biotech company

Series ABiomedical engineering
Series D$114.0M
Neurelis Inc
San Diego, CA · Founded 2007 · 126 employees

Neurelis Inc. is a private specialty pharmaceutical company based in San Diego; California; US; providing treatment options for epilepsy and central nervous system disorders.

Series DBiotechnology
Series B$34.1M
Iridia
San Diego, CA · Founded 2016 · 31 employees

Iridia is a DNA researching and developing company.

Series BBiotechnology
Series C$132.1M
Truvian Sciences
San Diego, CA · Founded 2015

Truvian Sciences is a San Diego-based company developing automated; benchtop diagnostic systems founded in 2015.

Series CEngineering
Series D$141.8M
Genalyte
San Diego, CA · Founded 2019 · 126 employees

Genalyte is an American medical analytics and diagnostics company.

Series DTechnology
Series A$77.0M
IconOVir Bio
San Diego, CA · 31 employees

IconOVir Bio is an oncolytic Virus Therapy.

Series ABiotechnology
Series B$155.6M
Locanabio
San Diego, CA · Founded 2016 · 31 employees

Locanabio is a San Diego; California-based biotechnology company developing RNA-targeting gene therapies.

Series BGenealogy
Series A$29.0M
Libra Therapeutics
San Diego, CA · Founded 2019 · 6 employees

Libra Therapeutics is a small Molecules for Neurodegenerative Indications founded in 2019.

Series AEngineering
Series A$20.8M
Sun Genomics
San Diego, CA · Founded 2016 · 31 employees

Sun Genomics is a company developing personalized probiotics founded in 2016 by Sunny Jain.

Series AAgriculture
$46.9M
AirMap
Santa Monica, CA · Founded 2015 · 126 employees

AirMap is a California-based drone industry company improving low-altitude-airspace infrastructure to help drone operators fly safely and legally.

General aviation
$52.0M
GPB Scientific
San Diego, CA

GPB Scientific is an automation of Cell Therapy Manufacturing.

Engineering
Series A$334.0M
PROGENITY, INC.
San Diego, CA · Founded 2010 · 351 employees

PROGENITY; INC is a provider of specialized genetic testing services.

Series AEngineering
$1.3M
Hocomo Hemp
Santa Monica, CA

Hocomo Hemp is an agricultural company that specializes in genetics; seedling; growing; harvesting; and final production and distribution.

Farming
$127.6M
Omniome
San Diego, CA · Founded 2013 · 126 employees

Omniome is a San Diego-based company.

Consumer biotechnology
Series A$29.5M
Empirico Inc.
San Diego, CA · Founded 2017 · 31 employees

Empirico Inc. comprises of biologists; physicians; chemists; data scientists and drug developers whose focus is on transforming patients' lives with innovative therapies.

Series ABiotechnology
Series A$25.0M
SGI-DNA
San Diego, CA · Founded 2009

SGI-DNA is a synthetic biology company that is headquartered in La Jolla; California and was founded by Craig Venter in 2013.

Series AConsumer biotechnology
Series C$22.0M
Cold Genesys
Irvine, CA · Founded 2010 · 31 employees

Cold Genesys is a privately-held; immunotherapy based biopharmaceutical company

Series CBiology
Series B$15.6M
PetDesk
San Diego, CA · Founded 2013 · 176 employees

PetDesk sells practice software to veterinary clinics. It covers client communication and reminders; online booking; an integrated phone system; AI-generated clinical notes and marketing; and is aimed

Series BPet technology
Series A$37.0M
Roswell Biotechnologies
San Diego, CA · 31 employees

Roswell Biotechnologies is a molecular electronics company that transforms DNA sequencing with new molecular electronics sequencing platform.

Series AEngineering
$438.0M
Samumed
San Diego, CA · Founded 2008

Samumed is a biotechnology company focused on the medical research and development for tissue-level regeneration.

Consumer biotechnology
$63.4M
Pfenex
San Diego, CA · Founded 2009 · 126 employees

Pfenex is a San Diego-based company founded in 2009.

Biotechnology