69 Best Cancer Startups to Watch in 2025

The Definitive Seedtable Ranking of Cancer Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 278 start-ups with an aggregate funding of $12.9b. The average funding per company in this subset is $187.2m.

Last update to the database: Feb 18, 2025. See changelog.

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PathAI (company) logo

PathAI (company)

PathAI is a Boston-based artificial intelligence company developing therapeutics and healthcare products.

5

Funding Rounds

$390.0m

Money raised

Tempus Labs (company) logo

Tempus Labs (company)

Tempus, a technology company advancing precision medicine through the practical application of artificial intelligence in healthcare.

10

Funding Rounds

$930.0m

Money raised

Leo Cancer Care logo

Leo Cancer Care

Leo Cancer Care is a company developing upright radiotherapy solutions.

1

Funding Rounds

$25.3m

Money raised

Grail logo

Grail

Grail is a biotechnology company headquartered in Menlo Park, California that was founded as a spinoff of Illumina Inc and initially headed by Jeffrey Huber in 2016, focused on making a medical device that can detect early stage cancer.

4

Funding Rounds

$1.8b

Money raised

Notable Labs logo

Notable Labs

Notable Labs is a company providing personalized drug combination testing service for cancer patients.

8

Funding Rounds

$71.3m

Money raised

Flatiron Health logo

Flatiron Health

Flatiron Health is a startup that organizes real-time oncology data to help cancer patients and doctors.

3

Funding Rounds

$313.0m

Money raised

Paige logo

Paige

Paige provides AI-based digital diagnostics and a vendor-neutral platform designed to drive diagnostic confidence and a more productive pathology workflow.

10

Funding Rounds

$410.0m

Money raised

Neos Therapeutics logo

Neos Therapeutics

Neos Therapeutics is a pharmaceutical company developing ADHD medications founded in 2008.

1

Funding Rounds

$24.1m

Money raised

Kuur Therapeutics logo

Kuur Therapeutics

Kuur Therapeutics focuses on the development of CAR-NKT cell therapies platform for applications in cancer treatment.

6

Funding Rounds

$190.5m

Money raised

Reveal Biosciences logo

Reveal Biosciences

Reveal Biosciences is artificial intelligence paired with biosciences, founded by Claire Weston & Casey Laris

1

Funding Rounds

Massive Bio logo

Massive Bio

Massive Bio is a New York-based company founded by Selin Kurnaz, Dr. Arturo Loaiza-Bonilla and Cagatay M. Culcuoglu, offering precision oncology services to cancer patients, providers, and pharmaceutical companies.

6

Funding Rounds

$15.8m

Money raised

Cell Design Labs logo

Cell Design Labs

A biotechnology company founded in 2015 which operates as a subsidiary of Gilead Sciences and Kite Pharma. The company developed a platform for custom cell engineering called synNotch to be used for anticancer therapies. Their system can also be used to develop cell-based therapies for autoimmune and degenerative disorders.

1

Funding Rounds

$34.4m

Money raised

Stemline Therapeutics logo

Stemline Therapeutics

A biopharmaceutical company developing therapeutics to attack cancer stem cells.

2

Funding Rounds

$13.8m

Money raised

Mission Bio logo

Mission Bio

Mission Bio is a South San Francisco based company that develops single-cell DNA analysis and precision genomics.

4

Funding Rounds

$140.0m

Money raised

Deep Lens logo

Deep Lens

Deep Lens is an Artificial Intelligence company matching patients with clinical trials.

3

Funding Rounds

$31.2m

Money raised

Obsidian Therapeutics logo

Obsidian Therapeutics

Develops novel cell and gene therapies with pharmacologic operating systems.

2

Funding Rounds

$164.5m

Money raised

HelixNano logo

HelixNano

HelixNano is a Cambridge, Massachusetts-based biotechnology and artificial intelligence company founded in 2013 by Hannu Rajaniemi and Nikolai Eroshenko.

12

Funding Rounds

$2.8m

Money raised

Freenome logo

Freenome

Freenome is a San Francisco-based company which uses genetic analysis for early cancer detection and risk assessment.

8

Funding Rounds

$967.6m

Money raised

Argos Therapeutics logo

Argos Therapeutics

A company developing immunotherapy treatments for cancers, infectious and autoimmune diseases

2

Funding Rounds

$67.5m

Money raised

Cellerant Therapeutics logo

Cellerant Therapeutics

A biotechnology company that develops treatments for cancer and hematologic conditions

2

Funding Rounds

$18.1m

Money raised

Insitro logo

Insitro

A bioinformatics company in San Francisco building data collection methods and databases that will enable machine learning algorithms in healthcare. It was founded in 2018.

4

Funding Rounds

$743.2m

Money raised

3T Biosciences logo

3T Biosciences

3T Biosciences is a biotechnology company developing immunotherapies.

3

Funding Rounds

$52.0m

Money raised

Mendel.ai logo

Mendel.ai

Mendel.ai is a life science company offering an artificial intelligence platform to aid clinical experts improve their clinical cancer research.

7

Funding Rounds

$65.4m

Money raised

Owlstone Medical logo

Owlstone Medical

Breathalyzer device maker for the early detection of cancer.

8

Funding Rounds

$160.3m

Money raised

MiRXES logo

MiRXES

MiRXES is a Singapore-based biotechnology company specializing in microRNA-based diagnostics founded in 2014.

1

Funding Rounds

$77.0m

Money raised

Tmunity Therapeutics logo

Tmunity Therapeutics

Tmunity Therapeutics is a biotechnology company developing t-cell immunotherapies for the treatment of human diseases.

5

Funding Rounds

$425.0m

Money raised

Faeth Therapeutics logo

Faeth Therapeutics

Faeth Therapeutics is a start-up that focuses on using nutrition and metabolism to fight cancer.

3

Funding Rounds

$67.0m

Money raised

Nucleai logo

Nucleai

An artificial intelligence company with a focus on developing solutions for the healthcare industry. It was founded in 2017 and is located in Tel Aviv, Israel.

2

Funding Rounds

$11.5m

Money raised

Foundation Medicine logo

Foundation Medicine

Foundation Medicine is a Cambridge, Massachusetts-based pharmaceutical company developing diagnostic and treatment solutions for cancer care founded in 2010 by Alexis Borisy.

4

Funding Rounds

$96.5m

Money raised

CaroGen logo

CaroGen

CaroGen is an immunotherapy company that develops vaccine candidates that target hepatitis B and C, as well as other viral agents.

1

Funding Rounds

$150.0k

Money raised

OncoSenX logo

OncoSenX

OncoSenX is a spinout company of Oisin Biotechnologies, formed to develop programmable suicide gene therapy to kill cancerous cells.

5

Funding Rounds

$19.7m

Money raised

Synthorx logo

Synthorx

Synthetic biology company that created novel DNA base pairs and uses them to incorporate novel amino acids into proteins for potential therapeutics in areas of cancer and autoimmune disorders.

5

Funding Rounds

$152.0m

Money raised

Odyssey Therapeutics logo

Odyssey Therapeutics

Focused on transforming lives of patients with immune dysfunctions and cancer

2

Funding Rounds

$386.0m

Money raised

Stelvio Therapeutics logo

Stelvio Therapeutics

Stelvio Therapeutics is a biotechnology company developing therapeutics for cancer.

1

Funding Rounds

Insightec logo

Insightec

Insightec is a Tirat Carmel-based company developing and manufacturing MR-guided focused ultrasound devices for image-guided acoustic surgery.

14

Funding Rounds

$1.2b

Money raised

IGM Biosciences logo

IGM Biosciences

IGM Biosciences is an antibody Treatments.

2

Funding Rounds

$204.0m

Money raised

iOx Therapeutics Limited logo

iOx Therapeutics Limited

Biotechnology company founded in 2015 that develops and commercializes synthetic lipid compounds and cancer immunotherapy agents. iOx Therapeutics is an OSI spinout.

1

Funding Rounds

A&G Pharmaceutical logo

A&G Pharmaceutical

A&G Pharmaceutical is a Columbia, Maryland-based theranostics company developing personalized cancer therapeutics through cancer-specific monoclonal antibodies.

1

Funding Rounds

$2.0m

Money raised

Eureka Therapeutics, Inc logo

Eureka Therapeutics, Inc

Eureka Therapeutics is a biotechnology company developing immunotherapies for the treatment of cancer.

2

Funding Rounds

$105.0m

Money raised

Iconic Therapeutics logo

Iconic Therapeutics

A pharmaceutical company developing tissue factor therapies for the treatment of cancer and diseases.

3

Funding Rounds

$32.5m

Money raised

Epic Sciences logo

Epic Sciences

Epic Sciences is a San Diego-based company founded in 2008 by Jorge Nieva, David Nelson and Peter Kuhn.

7

Funding Rounds

$195.5m

Money raised

Scorpion Therapeutics logo

Scorpion Therapeutics

Small Molecules

4

Funding Rounds

$270.0m

Money raised

Kheiron Medical Technologies logo

Kheiron Medical Technologies

Biomedical Artificial Intelligence company developing products for early cancer detection in the breast.

1

Funding Rounds

$22.0m

Money raised

IRX Therapeutics logo

IRX Therapeutics

A company developing immune therapies for cancer and related diseases

2

Funding Rounds

$33.8m

Money raised

Gradalis logo

Gradalis

Gradalis is a drug manufacturer, and developer of vaccines, tools and diagnostics for the treatment of cancer.

1

Funding Rounds

$24.0m

Money raised

Caris Life Sciences logo

Caris Life Sciences

Caris Life Sciences is a medical diagnostics company developing molecular profiling combined with artificial intelligence founded in 1996 by David D. Halbert.

6

Funding Rounds

$633.0m

Money raised

Carisma Therapeutics logo

Carisma Therapeutics

Carisma Therapeutics is a biotechnology company founded in 2016 to bring the potheyr of adoptive cellular immunotherapy to solid tumor patients through a novel platform using chimeric antigen receptor macrophages (CARMA).

2

Funding Rounds

$112.0m

Money raised

Refuge Biotechnologies logo

Refuge Biotechnologies

Refuge Biotechnologies is a biotechnology company that uses CRISPR and cell therapy technologies for treating cancer.

2

Funding Rounds

$33.9m

Money raised

Biotheranostics logo

Biotheranostics

A biotechnology company developing molecular-based diagnostic, prognostic, and predictive medical tests designed to help healthcare practitioners treat cancer.

1

Funding Rounds

$32.0m

Money raised

Juno Therapeutics logo

Juno Therapeutics

Juno Therapeutics is a biopharmaceutical company developing medicines for the treatment of serious diseases.

6

Funding Rounds

$382.1m

Money raised

Argonaut Therapeutics logo

Argonaut Therapeutics

Precision therapeutics company developing epigenetic therapies that target arginine methylation in cancer.

2

Funding Rounds

$2.6m

Money raised

SEngine Precision Medicine logo

SEngine Precision Medicine

SEngine Precision Medicine is a precision medicine company founded by Brady Bernard, Carla Grandori, Christopher Kemp, and VK Gadi.

2

Funding Rounds

$8.1m

Money raised

A2 Biotherapeutics, Inc logo

A2 Biotherapeutics, Inc

A2 Biotherapeutics, Inc. is a biotechnology research company developing T-cell therapies designed to attack solid tumors while sparing normal cells

1

Funding Rounds

$71.5m

Money raised

Iterative Health logo

Iterative Health

Iterative Health is a Cambridge, Massachusetts-based company that provides gastroenterologists with machine learning-powered diagnostic tools to aid in the prevention of colon cancer and improve patient outcomes.

5

Funding Rounds

$187.0m

Money raised

PACT Pharma logo

PACT Pharma

PACT Pharma is synthesizing neo-epitope targeted T cells and producing a personalized adoptive cell therapy designed to benefit each cancer patient.

3

Funding Rounds

$200.0m

Money raised

HiberCell logo

HiberCell

HiberCell is a New York-based biotechnology company developing therapeutics to prevent relapse and metastasis.

2

Funding Rounds

$128.2m

Money raised

Biosceptre logo

Biosceptre

Biosceptre is a Cambridge, Cambridgeshire-based company developing diagnostic tools and biomarkers.

3

Funding Rounds

$13.2m

Money raised

Tactiva Therapeutics logo

Tactiva Therapeutics

Tactiva Therapeutics is a biotechnology company developing cancer immunotherapies.

1

Funding Rounds

$35.0m

Money raised

Ribon Therapeutics logo

Ribon Therapeutics

Cancer drugs that target specific types of poly ADP-ribose polymerase

3

Funding Rounds

$190.2m

Money raised

Cytonus Therapeutics logo

Cytonus Therapeutics

Cytonus Therapeutics is a biotechnology company developing adaptive cellular therapies for treating immune-oncology and inflammatory diseases.

4

Funding Rounds

$2.6m

Money raised

Amunix Pharmaceuticals, Inc. logo

Amunix Pharmaceuticals, Inc.

Amunix is an immuno-oncology company focused on developing immune-activating biotherapeutics for patients with solid tumor cancers.

4

Funding Rounds

$193.3m

Money raised

Tubulis Therapeutics logo

Tubulis Therapeutics

Tubulis Therapeutics is a Munich-based therapeutics company developing matched protein-drug conjugates.

4

Funding Rounds

$90.5m

Money raised

Lunit Inc. logo

Lunit Inc.

Lunit Inc. is a deep learning AI technology-based software developer in the field of medical data analysis.

6

Funding Rounds

$107.4m

Money raised

AsclepiX Therapeutics logo

AsclepiX Therapeutics

AsclepiX Therapeutics is a Baltimore-based biotechnology company developing therapeutics for the treatment of retinal diseases and cancer.

2

Funding Rounds

$40.0m

Money raised

Boundless Bio logo

Boundless Bio

Boundless Bio is a pioneer in understanding and treating the most intractable cancers. They have charted a new spatial map of the cancer genome within cancer cells and are harnessing their scientific founders' discoveries about "extrachromosomal DNA," or ecDNA, to drive a revolution in cancer therapeutics.

4

Funding Rounds

$249.5m

Money raised

Octant (Bio) logo

Octant (Bio)

Octant is a biotechnology company founded by Ramsey Homsany.

2

Funding Rounds

$110.0m

Money raised

Aphios logo

Aphios

A biotechnology company developing technology platforms to improve therapeutics discovery and manufacturing.

2

Funding Rounds

$2.4m

Money raised

Macomics Ltd logo

Macomics Ltd

Macomics is an Edinburgh-based immuno-oncology company.

2

Funding Rounds

$10.0m

Money raised

Endomag logo

Endomag

Endomag is an Austin, Texas-based medical diagnostics company developing detection technology for lymphatic cancers.

6

Funding Rounds

$52.4m

Money raised