Company lists · Data refreshed September 2026

Top 25 Clinical-stage biopharmaceutical companies based in San Diego, United States

RevenueBase identified 39 company matches for clinical-stage biopharmaceutical companies associated with San Diego, United States as of September 2026 and tracks 1,029 professional contacts across them, including 440 with verified work emails. Across the United States, New York is the largest hub for this category (39 companies); San Diego follows with 39.

This list covers company matches for clinical-stage biopharmaceutical companies associated with San Diego, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 16, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 16, 2026 How this list was built
39Companies
1,029Contacts tracked
440Verified emails
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The 25 largest clinical-stage biopharmaceutical companies based in San Diego, United States

Ranked by team size
Top 25 of 39 company matches for clinical-stage biopharmaceutical companies based in San Diego, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 2026201-500117 contacts →

Exact match

“Arena is now part of Pfizer.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202651-20093 contacts →

Exact match

“HUYABIO is the leader in accelerating the global development of novel biopharmaceutical product opportunities originating in China enabling faster, more cost-effective and…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202651-20075 contacts →

Exact match

“Ventyx Biosciences is a clinical-stage biopharmaceutical company developing innovative oral therapies for patients with autoimmune, inflammatory, and neurodegenerative diseases.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202651-20049 contacts →

Exact match

“Contineum Therapeutics (Nasdaq: CTNM) is a clinical-stage biopharmaceutical company pioneering novel, oral small molecule therapies for NI & I indications with significant unmet…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202651-20047 contacts →

Exact match

“We understand drug development in the clinical trial setting.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 2026201-50045 contacts →

Exact match

“We officially combined with Bristol Myers Squibb to advance our precision oncology platform for patients.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7Exact matchSan Diego, United StatesHQ recorded Sep 16, 202611-5043 contacts →

Exact match

“Endeavor BioMedicines is a clinical-stage biotechnology company developing medicines with the potential to deliver transformational clinical benefits to patients with…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202611-5038 contacts →

Exact match

“Candid Therapeutics is a clinical stage biotechnology company dedicated to advancing the treatment of a range of immunological conditions.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202611-5035 contacts →

Exact match

“Belite Bio (NASDAQ: BLTE) is a San Diego based clinical stage drug development company targeting untreatable eye diseases, such as dry AMD and Stargardt disease (STGD1) which is…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202611-5031 contacts →

Exact match

“Sanford Labs is an independent, not-for-profit biomedical research organization with a mission to discover and deliver the next generation of molecular medicines”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202611-5028 contacts →

Exact match

“Polaris Group, a privately held multinational biopharmaceutical drug company, specializes in the research and development of protein drugs to treat cancer and other debilitating…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202611-5024 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202611-5021 contacts →

Exact match

“Ansun Biopharma is a late-stage clinical development company dedicated to saving the lives of vulnerable patient populations through the creation of first-in-class biologics.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202651-20017 contacts →

Exact match

“MEI Pharma is a San Diego-based clinical-stage pharmaceutical company committed to the development and commercialization of novel, best-in-class, cancer therapies intended to…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15Exact matchSan Diego, United StatesHQ recorded Sep 16, 202611-5017 contacts →

Exact match

“TRACON is a biopharmaceutical company focused on the development and commercialization of novel targeted therapeutics for cancer, and utilizes its cost efficient, contract…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 20261-1013 contacts →

Exact match

“Valora Therapeutics Inc.(Valora) is a pre-clinical stage biopharmaceutical company based in San Diego, California, USA, pioneering a new biologic platform invented by Nobel…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202611-5013 contacts →

Exact match

“OBI Pharma USA, Inc.(OBI USA) is the wholly-owned subsidiary of OBI Pharma, Inc.(4174.TWO) OBI USA’s mission is to lead the US and European clinical trials of OBI’s novel…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202611-5010 contacts →

Exact match

“Oncternal Therapeutics is a clinical-stage oncology company developing a diverse pipeline of treatments for cancers with critical unmet medical need.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202611-5010 contacts →

Exact match

“Pacific Research Network (PRN) is a Southern California clinical research facility that specializes in examining new, investigational medications for the treatment of a variety of…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 20261-1010 contacts →

Exact match

“Biosapien is a late-stage pre clinical company focused on novel drug delivery platforms.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 20261-104 contacts →

Exact match

“Amber Ophthalmics is a clinical stage biopharmaceutical company focused on ocular drug development.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 202651-2003 contacts →

Exact match

“Diseases do not recognize borders; why should drug innovation?”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 20261-103 contacts →

Exact match

“The Pacesetter Clinical Research Group seeks to contribute to the scientific advancement of clinical research by facilitating collaboration, and strategic partnerships between…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 20261-103 contacts →

Exact match

“Shanghai Pharma Biotherapeutics USA Inc.(SPHBio) is a wholly-owned subsidiary of Shanghai Pharmaceuticals Holding Co, one of the largest pharmaceutical companies in China.”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25Exact matchSan Diego, CA, United StatesHQ recorded Sep 16, 20261-102 contacts →

Exact match

“Global R&D Partners, LLC is a consulting firm that works closely with pharmaceutical and biotechnology companies to develop novel agents for the diagnosis and treatment of serious…”

Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase

Showing 25 of 39 clinical-stage biopharmaceutical companies based in San Diego, United States

See the full list, filter by size, metro and specialty, and access 440 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Clinical-stage biopharmaceutical companies based in San Diego, United States at a glance

As of Sep 16, 2026
42.8%Verified-email coverage
26.4Average contacts per company
11-50Median size (employees)
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
13
11-50
15
51-200
9
201-500
2

Email recency for this list is measured across the whole United States list rather than for San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 39 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with San Diego, United States whose business descriptions match “clinical-stage biopharmaceutical companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 440 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “clinical-stage biopharmaceutical companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many clinical-stage biopharmaceutical companies are there based in San Diego, United States?

RevenueBase identified 39 company matches for clinical-stage biopharmaceutical companies associated with San Diego, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Arena Pharmaceuticals, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most clinical-stage biopharmaceutical companies?

New York leads the United States with 39 company records, followed by San Diego (39) and Boston (37).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 440 professional contacts with verified work emails tracked across these 39 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.

Ready to reach these companies? Verified emails and direct dials for all 39 clinical-stage biopharmaceutical companies based in San Diego, United States. Start with a free account, no credit card.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.