16 Best Oncolytic Virus Startups to Watch in 2025

The Definitive Seedtable Ranking of Oncolytic Virus 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 16 start-ups with an aggregate funding of $634.8m. The average funding per company in this subset is $39.7m.

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

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TILT Biotherapeutics logo

TILT Biotherapeutics

TILT Biotherapeutics is a biotechnology company developing t-cell therapies using onolytic viruses for treating cancer.

2

Funding Rounds

$22.0m

Money raised

Theolytics Ltd logo

Theolytics Ltd

Theolytics Ltd is an oncolytic Adenovirus Therapies founded in 2017.

5

Funding Rounds

$65.8m

Money raised

Jivana Biotechnology Inc. logo

Jivana Biotechnology Inc.

Jivana Biotechnology develops preclinical stage drugs for application in cancer treatment.

1

Funding Rounds

$1.0m

Money raised

Abalos Therapeutics logo

Abalos Therapeutics

Abalos Therapeutics is a viral Immuno-Oncology Treatment founded in 2005.

4

Funding Rounds

$69.0m

Money raised

Turnstone Biologics logo

Turnstone Biologics

Turnstone Biologics is an oncolytic viral immunotherapy founded in 2015.

2

Funding Rounds

$121.4m

Money raised

CG Oncology logo

CG Oncology

CG Oncology is an Irvine, California-based company.

1

Funding Rounds

$4.7m

Money raised

DNAtrix logo

DNAtrix

A biotechnology company that develops virus-driven immunotherapies for cancer

1

Funding Rounds

$885.6k

Money raised

PsiOxus Therapeutics logo

PsiOxus Therapeutics

PsiOxus Therapeutics is an oncolytic Vaccines founded in 2010 by Kerry Fisher.

1

Funding Rounds

$22.0m

Money raised

Sagetis Biotech logo

Sagetis Biotech

Sagetis Biotech is a company that is committed to developing an innovative polymeric technology

2

Funding Rounds

$2.0m

Money raised

Vyriad logo

Vyriad

Vyriad is a Rochester, Minnesota-based company founded in 2015.

2

Funding Rounds

$67.3m

Money raised

OncoMyx Therapeutics logo

OncoMyx Therapeutics

Oncolytic Immunotherapy

2

Funding Rounds

$75.0m

Money raised

IconOVir Bio logo

IconOVir Bio

IconOVir Bio is an oncolytic Virus Therapy.

1

Funding Rounds

$77.0m

Money raised

Cold Genesys logo

Cold Genesys

Cold Genesys is a privately-held, immunotherapy based biopharmaceutical company

1

Funding Rounds

$22.0m

Money raised

Valo Therapeutics logo

Valo Therapeutics

Immunooncology platform developing tumor antigen-coated oncolytic viruses as therapeutic vaccines.

3

Funding Rounds

$26.7m

Money raised

NousCom logo

NousCom

NousCom is a cancer Immunotherapies founded in 2015.

1

Funding Rounds

$55.0m

Money raised

Chimeron Bio logo

Chimeron Bio

Cancer Immunotherapy

1

Funding Rounds

$3.0m

Money raised