69 Best Oncology Startups to Watch in 2025

The Definitive Seedtable Ranking of Oncology 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 284 start-ups with an aggregate funding of $11.9b. The average funding per company in this subset is $172.2m.

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

Senti Biosciences logo

Senti Biosciences

Senti Biosciences is a synthetic biology company.

2

Funding Rounds

$158.0m

Money raised

Human Longevity Inc. logo

Human Longevity Inc.

Human Longevity is a genomic-based, health intelligence company empowering proactive healthcare and enabling a life better lived.

6

Funding Rounds

$399.8m

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

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

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

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

Athelas logo

Athelas

Athelas is a company developing blood testing device that utilizes deep learning and computer vision.

5

Funding Rounds

$155.6m

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

Oisin Biotechnologies logo

Oisin Biotechnologies

Oisin develops anti-aging treatments that target and remove senescent cells, a type of damaged cell that is unable to divide, accumulates during aging and contribute to age-related diseases.

4

Funding Rounds

$7.1m

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

ITM Isotopen Technologien Munchen logo

ITM Isotopen Technologien Munchen

ITM Isotopen Technologien Munchen is a Munich-based developer of personalized cancer diagnostic solutions.

2

Funding Rounds

$58.4m

Money raised

SpyBiotech logo

SpyBiotech

A biomedical company in United Kingdom that develops vaccines and vaccine development technology

2

Funding Rounds

$37.5m

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

DCPrime logo

DCPrime

DCPrime is a biotechnology company developing cancer immunotherapies.

5

Funding Rounds

$26.0m

Money raised

JW (Cayman) Therapeutics Co. Ltd logo

JW (Cayman) Therapeutics Co. Ltd

JW (Cayman) Therapeutics Co. Ltd is a Shanghai-based developer of cell-based therapy technologies for cancer treatment.

2

Funding Rounds

$195.5m

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

Tessa Therapeutics logo

Tessa Therapeutics

A biotechnology company developing t-cell immunotherapies therapies for the treatment of cancer. The company is headquartered in Singapore, and was founded by Malcolm Brenner and Andrew Khoo in 2011.

1

Funding Rounds

$80.0m

Money raised

Gadeta logo

Gadeta

Gadeta is a biotechnology company developing immunotherapies for treating cancer.

1

Funding Rounds

$7.0m

Money raised

Soteria Biotherapeutics logo

Soteria Biotherapeutics

Soteria Biotherapeutics is a biotechnology company developing cancer immunotherapies.

1

Funding Rounds

$42.2m

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

Kernal Biologics logo

Kernal Biologics

Cambridge, MA-based company developing targeted mRNA therapeutics for cancer and other diseases.

3

Funding Rounds

$50.6m

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

MaaT Pharma logo

MaaT Pharma

MaaT Pharma (Microbiota as a Therapy) is a French biotech start-up, created at the end of 2014, to treat diseases linked to imbalances in the intestinal microbiome.

8

Funding Rounds

$59.9m

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

XEME Biopharma logo

XEME Biopharma

XEME Biopharma is a biotechnology company developing therapeutic cancer vaccines and cancer immunotherapy products.

2

Funding Rounds

$173.0k

Money raised

Crown Bioscience logo

Crown Bioscience

Crown bioscience is a company that is focused on research, drug discovery and development for the treatment of cancer and diabetes.

6

Funding Rounds

$62.1m

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

Canopy logo

Canopy

Canopy is a Draper, Utah-based company founded in 2014.

6

Funding Rounds

$122.8m

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

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

Heidelberg Pharma logo

Heidelberg Pharma

Heidelberg Pharma is a Ladenburg-based pre-clinical drug discovery and development company working on developing anti-cancer and anti-inflammatory drugs.

2

Funding Rounds

$51.1m

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