OCompany · Healthtech & Bio
Ona Therapeutics
Ona Therapeutics is a Barcelona-based clinical-stage biotech developing first-in-class antibody-drug conjugates (ADCs) and antibodies against advanced and treatment-resistant solid tumours, built on research into metastasis-initiating cells and lipid metabolism. Spun out of IRB Barcelona and ICREA in 2019, it runs three internal ADC programmes (ONA-255 for breast cancer and solid tumours, ONA-389, and dual-payload ONA-418). It raised a €30M Series A in 2020 and an oversubscribed €74.2M (~$86.6M) Series B in June 2026, one of the largest life-sciences rounds in Catalonia.
Founded
2019
Founders
2
News
1
Rounds
1
Investors
10
SectorsBiotech, Oncology, Antibody-Drug Conjugates, Pharmaceuticals, Life Sciences
Start-up MapHealthtech & Bio › Drug discovery & therapeutics developers
Profile updated 17 Aug 2026
Founders
S
Salvador Aznar Benitah
Scientific Co-founder (ICREA Research Professor, IRB Barcelona)
—
V
Valerie Vanhooren
Co-founder & Chief Executive Officer
Global models
No comparables on record yet.
Investors 10
AAlta Life Sciences
www.altalifesciences.com
AAsabys Partners
www.asabys.com
Bpifrance
CCentro para el Desarrollo Tecnológico y la Innovación
cdti.es
CCOFIDES
www.cofides.es
CColumbus Venture Partners
columbusvp.com
F
Fund+
KKorys
MMérieux Equity Partners
YYsios Capital
www.ysioscapital.com
Funding rounds 1
News & media 1
| Published | Article |
|---|---|
| 2026-09-10 |
Spain's top-funded tech companies in H1 2026 ↗
Tech.eu
|