Ona Therapeutics

Private

Barcelona-based clinical-stage biotech developing antibody-drug conjugates (ADCs) for treatment-resistant cancers. Lead programs ONA-255 (breast cancer) and ONA-389 (colorectal). Founded 2020.

Founders Valerie Vanhooren

CEO Valerie Vanhooren

Company

Founded

2020

Headquarters

Barcelona, Spain

Financials

Total Funding

$87M

Sectors

Healthtech Biotech

onatherapeutics.com

Funding History

1 round

Series B Jun 4, 2026

$87M

Columbus Venture Partners (Lead) Mérieux Equity Partners COFIDES Korys Alta Life Sciences Asabys Partners Bpifrance CDTI FundPlus NV Ysios Capital

Funding data is compiled from multiple independent sources including company announcements, press coverage, and regulatory filings. While we strive for accuracy, amounts and dates may reflect reported figures at time of announcement.