Best Diversified Pharmaceuticals Companies in San Diego, United States
The 33 best Diversified Pharmaceuticals companies in San Diego, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Arena Pharmaceuticals.
Ranked: Best Diversified Pharmaceuticals companies in San Diego
| # | Company | Disclosed funding | Last round | Employees | Founded | Stage | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Arena Pharmaceuticals Premier biopharmaceutical company dedicated to innovative medicines and healthcare solutions | $169M | 177 mo ago | 257 | 1997 | Acquired | — | — |
| 2 | Cullgen Biopharmaceutical company pioneering targeted protein degradation for innovative medicines | $121M | 41 mo ago | 5 | 2018 | Acquired | 4 patents Patents concentrated in health & consumer products | — |
| 3 | AnaptysBio Developer of immunology therapeutics for cancer and inflammatory diseases | $86M | 135 mo ago | 101 101 → 74 (-27%) | 2005 | Public | 283 patents Therapeutic antibodies targeting immune checkpoints and cytokine receptors for autoimmune disease treatment | — |
| 4 | TargeGen Small molecule kinase inhibitors that target vascular leakage (edema), vascular proliferation (angiogenesis)… | $74M | 205 mo ago | 5 | 2002 | Acquired | 143 patents Small-molecule kinase inhibitors targeting hematologic disorders such as thalassemia and myelofibrosis. | — |
| 5 | Mast Therapeutics Develops therapies for serious or life-threatening diseases using MAST technology | $63M | 122 mo ago | 38 | 1995 | Deadpooled | — | — |
| 6 | Bird Rock Bio Antibody therapeutics to G-Protein Coupled Receptors targets validated with small molecules | $63M | 117 mo ago | 14 | 2008 | Acquired | — | — |
| 7 | Protego Biopharma Company developing novel therapeutics based on human genetic links | $52M | 60 mo ago | 24 | 2017 | Series A | 32 patents Patents concentrated in chemistry & materials | — |
| 8 | Emerald Health Pharma Speciality company developing proprietary cannabinoid-derived medicines | $52M | 66 mo ago | 21 | 2017 | Series A | — | — |
| 9 | Solstice Biologics Providing solutions for targeting and delivering nucleic acid therapeutics | $40M | 130 mo ago | 4,443 | 2012 | Series A | 6 patents Stereochemically controlled synthesis of modified oligonucleotides and chiral phosphoramidite auxiliaries | — |
| 10 | Patara Pharma Immunomodulators (mast cell stabilizers) for allergic & inflammatory diseases. | $34M | 120 mo ago | — | 2013 | Deadpooled | — | — |
| 11 | Sorriso Pharmaceuticals R&D company focused on manufacturing disease-modifying antibodies for multiple therapeutics areas | $31M | 58 mo ago | 8 | 2020 | Series A | — | — |
| 12 | Retrophin Drugs for the treatment of debilitating and often life-threatening diseases . | $29M | 156 mo ago | 380 | 2011 | Public | 80 patents Patents concentrated in health & consumer products | — |
| 13 | Cellibre Producer of cellular agricultural products | $25M | 18 mo ago | 26 | 2017 | Series A | 32 patents Synthetic biology platforms for microbial production of cannabinoids and bakuchiol compounds | — |
| 14 | Sophiris Bio Develop engineered proteins to treat urological diseases and prostate cancer | $23M | 86 mo ago | 6 | 2003 | Deadpooled | — | — |
| 15 | Actimis Small molecule therapeutics for respiratory and inflammatory disorders | $16M | 220 mo ago | — | 2004 | Acquired | — | — |
| 16 | Orphagen Pioneering small molecule therapies for cancer and inflammatory bowel disease | $12M | 22 mo ago | 7 | 2001 | Funding Raised | — | — |
| 17 | PharmAkea Therapeutics Discover and develop small molecule therapeutics directed at cancer and fibrotic diseases. | $12M | 156 mo ago | 17 | 2012 | Acquired | — | — |
| 18 | Quanticel Developer of biopharmaceutical products focused on serious diseases | $10M | 148 mo ago | 12 | 2010 | Acquired | — | — |
| 19 | Gene Sciences DNA-targeted therapeutics that modulate gene expression for the treatment of human disease | $8M | 119 mo ago | 1 | 2016 | Deadpooled | — | — |
| 20 | Cytori Global healthcare company focused on cell therapy and regenerative medicine | $4M | 107 mo ago | 17 | 1996 | Public | — | — |
| 21 | Harbor BioSciences Develops a proprietary class of adrenal steroid hormones | $3M | 182 mo ago | — | 1992 | Acquired | 67 patents Novel steroid analog synthesis and solid-state pharmaceutical forms for anticancer drugs | — |
| 22 | ImmnuneTarget Small molecules to treat cancers and autoimmune diseases. | $857K | 111 mo ago | 2 | 2005 | Seed | — | — |
| 23 | Blacksmith Medicines Developer of therapeutics for immuno-oncology and inflammatory diseases | $150K | 69 mo ago | 11 | 2019 | Seed | 26 patents Novel antibacterial small molecules, especially LpxC enzyme inhibitors for bacterial infections | — |
Top 12 Diversified Pharmaceuticals companies in San Diego
#1
Series A · San Diego, California · founded 2017 · 26 employees$25.4Mraised▾
Producer of cellular agricultural products
- Apr 2025Grant (prize money)$2M
- Sep 2024Series A$6.7M
- May 2024Grant (prize money)$1000K
- Oct 2021Series A$11.5M
#2
Funding Raised · San Diego, California · founded 2001 · 7 employees$12.3Mraised▾
Pioneering small molecule therapies for cancer and inflammatory bowel disease. This company is dedicated to discovering and developing novel therapies for cancer and other serious diseases. They focus on small molecule drugs that target novel members of the nuclear receptor superfamily, a proven class for treating inflammation, oncology, and metabolic disorders. Their pipeline includes first-in-class programs in preclinical and clinical development, with a focus on oncology (including adrenal, head & neck, and squamous cancers) and inflammatory bowel disease (ulcerative colitis and Crohn’s disease). They actively engage with clinical, scientific, investment, and patient communities to advance new therapeutic approaches. Their mission is translational drug discovery and development, leading to first-in-class therapeutics. They are drug hunters committed to bringing innovative treatments to patients in need.
- Dec 2024Grant (prize money)$1.7M
- Sep 2024Grant (prize money)$1.1M
- Jul 2021Grant (prize money)$2M
- Aug 2019Grant (prize money)$1.8M
#3
Acquired · San Diego, California · founded 2018 · 5 employees$121Mraised▾
Biopharmaceutical company pioneering targeted protein degradation for innovative medicines, dedicated to developing first-in-class treatments for diseases lacking effective therapeutic approaches. They utilize a proprietary technology platform featuring novel E3 ligands to build the next generation of targeted protein degraders. The mission is to create new drugs for diseases that currently lack effective therapies, expanding the drug design paradigm to drug the "undruggable." They are focused on protein degradation, degrader-antibody conjugates, and novel E3 ligands, leveraging their expertise in UPS and E3s. The company is developing a pipeline of innovative medicines for cancer and other debilitating diseases, pushing the limits of what is possible in medicine.
- May 2023Series B$40M
- Feb 2021Series B$50M
- Apr 2019Series A$16M
- Mar 2018Seed$15M
#4
Series A · San Diego, California · founded 2017 · 24 employees$52Mraised▾
Developer of small molecule therapeutics platform designed to reprogram protein folding for the treatment of various systemic amyloid diseases and protein misfolding diseases. The company's drug discovery platform in order to address the protein misfolding problem modulates the energetics of proteins using pharmacological chaperones and/or modulates the cellular folding, secretory and stress pathways, enabling doctors to obtain disease-modifying therapeutics.
#5
Series A · San Diego, California · founded 2017 · 21 employees$52Mraised▾
Emerald Health Pharmaceuticals (EHP) is a part of Emerald Health Sciences (EHS), focuses on discovering, developing and commercializing proprietary cannabinoid-derived medicines. It has two proprietary drugs in preclinical development. EHP-101 is derived from cannabidiol (CBD) for the treatment of multiple sclerosis & scleroderma and EHP-102 is derived from cannabigerol (CBG) is for the treatment of Huntington’s and Parkinson’s disease. The postulated MOA of these drugs is dual PPARγ and CB2 agonist. EHP-1 got an orphan drug designation for systemic scleroderma by US FDA, recently.
- Apr 2021Series A$500K
- Oct 2020Series A$49M
- Jun 2019Seed$2.5M
#6
Acquired · San Diego, California · founded 1997 · 257 employees$168.5Mraised▾
Premier biopharmaceutical company dedicated to innovative medicines and healthcare solutions. It focuses on discovering, developing, and manufacturing a wide range of medicines and vaccines. The company is committed to advancing science and improving health outcomes for people worldwide. Its areas of focus include internal medicine, inflammation and immunology, vaccines, and oncology, addressing various diseases and conditions. It offers diverse products, from branded and generic drugs to biologics and biosimilars, ensuring quality and medicine safety. The company engages in research and development, partnering with patients and healthcare professionals. It is dedicated to global health initiatives, ethical practices, and environmental sustainability. It provides resources for patients, professionals, and investors, fostering transparency and accessibility.
- Jan 2012Post IPO$33M
- Jun 2010Post IPO$35.5M
- Jun 2009Post IPO$100M
#7
Public · San Diego, California · founded 2005 · 101 employees$85.7Mraised▾
Developer of immunology therapeutics for cancer and inflammatory diseases. The company is developing immune cell modulators, including two checkpoint agonists for autoimmune and inflammatory disease, rosnilimab, its PD-1 agonist, for the treatment of moderate-to-severe rheumatoid arthritis, and ANB032, its BTLA agonist, for the treatment of moderate-to-severe atopic dermatitis.
- Jul 2015Series D$40.8M
- Oct 2013Series B$2M
- Oct 2011Series B$8M
- Jan 2011Series B$14.4K
#8
Series A · San Diego, California · founded 2020 · 8 employees$31Mraised▾
R&D company focused on manufacturing disease-modifying antibodies for multiple therapeutics areas
- Dec 2021Series A$31M
#9
Acquired · San Diego, California · founded 2008 · 14 employees$62.5Mraised▾
Antibody therapeutics to G-Protein Coupled Receptors targets validated with small molecules. The company focuses on the discovery and development of biologic therapeutics for rheumatoid arthritis, metabolic disease, fibrosis, and nonalcoholic steatohepatitis. The company develops novel antibodies that represent antibody therapeutics to G-Protein Coupled Receptors targets validated with small molecules.
- Jan 2017Series B$2.5M
- Feb 2016Series B$5M
- Jun 2014Venture Debt$4M
- Mar 2014Series B$15M
#10
Acquired · San Diego, California · founded 2002 · 5 employees$73.7Mraised▾
TargeGen, a vascular biology-focused biopharmaceutical company, discovers and develops small molecule kinase inhibitors that target vascular leakage (edema), vascular proliferation (angiogenesis), and inflammation. It offers its products for the treatment of human diseases, such as heart attack, cancer, and eye diseases; vascular leakage, edema, and the unwanted growth of new blood vessels; pleural effusions, arthritis, pulmonary edema, transplant ischemia, ARDS, brain inflammation, hypovolemia (acute blood loss) CNS disorders, and other serious medical conditions. It serves macular degeneration, diabetic macular edema, and diabetic retinopathy markets. It was acquired by Sanofi-Aventis in 2010.
- Sep 2009Series D$3.7M
- Jul 2007Series D$40M
- Jan 2004Series B$30M
#11
Deadpooled · San Diego, California · founded 1995 · 38 employees$62.7Mraised▾
Mast Therapeutics (which merged with Savara in April 2017), was developing therapies for serious or life-threatening diseases. The company used its Molecular Adhesion and Sealant Technology (MAST) platform to develop the therapies. The company's lead candidate, Vepoloxamer, is in Phase 3 clinical development for the treatment of vaso-occlusive crisis in patients with sickle cell disease and has finished enrollment for Phase 3 study in February 2016. Vepoloxamer is also in Phase 2 clinical development for the treatment of patients with heart failure. The company went public in 2004. The company ceased to exist post its merger with Savara, a pharma company engaged in developing novel treatments for serious or life-threatening rare respiratory diseases.
- Sep 2016Grant (prize money)$222.1K
- Jan 2011Post IPO$22.5M
- Nov 2006Post IPO$40M
#12
Series A · San Diego, California · founded 2012 · 4443 employees$40Mraised▾
Providing solutions for targeting and delivering nucleic acid therapeutics. It focuses on solving the problem of targeting and delivery of nucleic acid therapeutics. The company is developing small, cell-permeable RNAi pro-drugs that can enter many different cell types and deliver on the promise of RNAi therapeutics.
- Dec 2015Series A$4M
- Sep 2014Series A$7.5M
- Jan 2013Series A$18M
- Dec 2012Series A$7.5M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Diversified Pharmaceuticals coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising