Company lists · Data refreshed October 2026

Top 25 Immuno-oncology biotech firms based in San Diego, United States

RevenueBase identified 65 company matches for immuno-oncology biotech firms associated with San Diego, United States as of October 2026 and tracks 2,975 professional contacts across them, including 1,594 with verified work emails. Across the United States, San Diego is the largest hub for this category.

This list covers company matches for immuno-oncology biotech firms 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 October 14, 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 Oct 14, 2026 How this list was built
65Companies
2,975Contacts tracked
1,594Verified emails
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The 25 largest immuno-oncology biotech firms based in San Diego, United States

Ranked by team size
Top 25 of 65 company matches for immuno-oncology biotech firms based in San Diego, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 14, 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 Oct 14, 2026501-1,000663 contacts →

Exact match

“ImmunityBio, Inc.(formerly NantKwest, Inc.) is developing cell and immunotherapy products that are designed to help strengthen each patient’s natural immune system, potentially…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
2Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 20261,001-5,000346 contacts →

Exact match

“Crown Bioscience, a JSR Life Sciences company, is a global contract research organization (CRO) providing discovery, preclinical, and translational platforms to advance oncology…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
3Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 2026201-500305 contacts →

Exact match

“Kura Oncology is a commercial-stage biopharmaceutical company committed to discovering and developing innovative precision medicines to help patients with cancer lead better…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
4Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 2026201-500277 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
5Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202651-200121 contacts →

Exact match

“Janux is a clinical-stage company developing unique immunotherapies that have the potential to generate tumor-specific immune responses to attack and kill tumors without…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
6Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202651-200118 contacts →

Exact match

“Our mission at Erasca is embedded in our name: To erase cancer.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
7Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202651-200116 contacts →

Exact match

“Rakuten Medical, Inc.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
8Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202611-5073 contacts →

Exact match

“Kumquat Biosciences’ vision is to develop innovative therapies to bring about sustainable and life-changing benefits to cancer patients.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
9Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 2026201-50073 contacts →

Exact match

“Mirati Therapeutics, Inc.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
10Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202611-5066 contacts →

Exact match

“Developing the next generation of oncology therapies for patients.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
11Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202651-20062 contacts →

Exact match

“Ambrx (Nasdaq: AMAM) is a clinical stage biopharmaceutical company using an expanded genetic code technology platform to discover and develop next generation antibody drug…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
12Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202611-5046 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
13Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202651-20037 contacts →

Exact match

“BioAtla is a protein therapeutic company that uses discovery and evolution to develop safer and more potent drugs for the treatment of cancer.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
14Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202651-20034 contacts →

Exact match

“Turnstone Biologics is a clinical-stage biotechnology company developing a differentiated approach to treat and cure patients with solid tumors by pioneering selected…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
15Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202611-5030 contacts →

Exact match

“Adcentrx Therapeutics is a biotechnology company focused on accelerating breakthroughs in protein conjugate therapeutic development for cancer and other life-threatening diseases.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
16Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202611-5030 contacts →

Exact match

“Solve is developing novel antibody-drug conjugates (ADCs) engineered for selectivity and optimized payload delivery, as well as novel patient-selection diagnostics.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
17Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202611-5028 contacts →

Exact match

“Calidi Biotherapeutics is developing a new modality in cancer treatment through its proprietary RedTail platform, designed for systemic delivery of modified oncolytic viruses with…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
18Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202611-5023 contacts →

Exact match

“NEUVOGEN is an immunoncology company applying a systems approach to develop therapeutic whole cell cancer vaccines to transform how cancer is treated.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
19Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202611-5022 contacts →

Exact match

“Immunicom is developing a non-drug-based cancer therapy with the potential to reduce treatment side effects, enhance therapy response rates and improve cancer patients’ quality of…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
20Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202611-5022 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
21Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202651-20021 contacts →

Exact match

“OncoSec is a biotechnology company pioneering new technologies to stimulate the body’s immune system to target and attack cancer.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
22Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 20261-1020 contacts →

Exact match

“Trutino means ‘Balance’ in Latin, and this represents our strategy, namely an Rx/Dx approach for Precision Oncology Drug & Clinical Development.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
23Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202651-20020 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 · Oct 14, 2026 · View company records in RevenueBase
24Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202611-5017 contacts →

Exact match

“MBrace Therapeutics is a privately-held biopharmaceutical company devoted to improving the lives of cancer patients through the development of antibody-drug conjugates (ADCs)…”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
25Exact matchSan Diego, CA, United StatesHQ recorded Oct 14, 202611-5016 contacts →

Exact match

“858 Therapeutics is a biotechnology and drug discovery company developing a portfolio of small molecule drugs that act on novel therapeutic targets in oncology.”

Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase

Showing 25 of 65 immuno-oncology biotech firms based in San Diego, United States

See the full list, filter by size, metro and specialty, and access 1,594 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Immuno-oncology biotech firms based in San Diego, United States at a glance

As of Oct 14, 2026
53.6%Verified-email coverage
45.8Average contacts per company
11-50Median size (employees)
Oct 14, 2026Page data refreshed

Companies by employee count

1-10
27
11-50
22
51-200
9
201-500
4
501-1,000
2
1,001-5,000
1

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 65 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 “immuno-oncology biotech firms” 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 1,594 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 October 14, 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 “immuno-oncology biotech firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many immuno-oncology biotech firms are there based in San Diego, United States?

RevenueBase identified 65 company matches for immuno-oncology biotech firms associated with San Diego, United States as of October 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?

Immunitybio, 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 immuno-oncology biotech firms?

San Diego leads the United States with 65 company records, followed by Cambridge (55) and New York (35).

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 1,594 professional contacts with verified work emails tracked across these 65 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 October 14, 2026.

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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.