Small molecule companies in San Diego, CA

As of Oct 2026, Radar lists 19 Small molecule companies headquartered in San Diego, CA.

Draft page: not yet published to search engines (owner review pending).

Dots are city centers, sized by number of companies. Largest: San Diego, CA 19; Carlsbad, CA 3; Thousand Oaks, CA 2; Los Angeles, CA 2; Torrance, CA 1. 162 companies outside this view (e.g. Alaska, Hawaii, Puerto Rico) are in the list. Map: US Census.

Travere Therapeutics FDA-approved therapeutic company Clinical Phase 3
San Diego, CA · Small molecule · 44 jobs observed · 14 trials (lead sponsor)
Kura Oncology FDA-approved therapeutic company Clinical Phase 3
San Diego, CA · Small molecule · 12 jobs observed · 17 trials (lead sponsor)
Alterome Therapeutics Clinical Phase 1
San Diego, CA · Small molecule · 1 job observed · 2 trials (lead sponsor)
Apros Therapeutics Clinical Phase 1
San Diego, CA · Small molecule, Vaccine · No hiring observed in our sources · 1 trial (lead sponsor)
Autobahn Therapeutics Clinical Phase 2
San Diego, CA · Regenerative medicine & tissue, Small molecule · No hiring observed in our sources · 4 trials (lead sponsor)
Belharra Therapeutics
San Diego, CA · Small molecule · No hiring observed in our sources
Blacksmith Medicines
San Diego, CA · Small molecule · No hiring observed in our sources
Epigen Biosciences
San Diego, CA · Small molecule · No hiring observed in our sources
Erasca Clinical Phase 3
San Diego, CA · Small molecule · No hiring observed in our sources · 9 trials (lead sponsor)
IPS Heart
San Diego, CA · Cell therapy, Cell therapy: stem cell / iPSC, Small molecule · No hiring observed in our sources
Origami Therapeutics, Inc.
San Diego, CA · Small molecule: protein degraders, Small molecule · No hiring observed in our sources
Orphagen Pharmaceuticals, Inc.
San Diego, CA · Small molecule · No hiring observed in our sources
Paramita Therapeutics, Inc.
San Diego, CA · Diagnostics, Small molecule · No hiring observed in our sources
Protego Biopharma Clinical Phase 1
San Diego, CA · Small molecule · No hiring observed in our sources · 1 trial (lead sponsor)
Quantitative Biosciences, Inc. FDA-cleared device company
San Diego, CA · Small molecule · No hiring observed in our sources
Sapu BioScience
San Diego, CA · Antisense oligonucleotides, RNA therapeutics, Small molecule · No hiring observed in our sources
Vividion Therapeutics Clinical Phase 2
San Diego, CA · Small molecule · No hiring observed in our sources · 5 trials (lead sponsor)
Vivreon Biosciences
San Diego, CA · Small molecule · No hiring observed in our sources
Zentalis Pharmaceuticals
San Diego, CA · Small molecule · No hiring observed in our sources