Ona has raised $86.6 million in a Series B financing round to advance cancer-fighting ADCs into human trials, led by Columbus Venture Partners and Mérieux Equity Partners.
Amount Raised
$86.6 Million
Round Type
Series B
BarcelonaBiotechnologyHealth CareTherapeuticsInvestors
Description
Ona has successfully closed an oversubscribed Series B financing round worth $86.6 million. The funds will primarily support the clinical advancement of ONA-255, an antibody drug conjugate targeting breast cancer. Investors include Columbus Venture Partners, Mérieux Equity Partners, COFIDES, and Korys, along with existing backers. The financing aims to enable rapid progress in clinical development while maintaining high standards.
Quick answer
Ona raised $86.6 Million in a Series B round, dated June 4, 2026. Investors: Cofides, Korys, Columbus Venture Partners, FundPlus NV, Cdti, Bpifrance, Asabys Partners and Alta Life Sciences. Ona is based in Barcelona, Catalonia, Spain.
- How much did Ona raise?
- Ona raised $86.6 Million in a Series B round on June 4, 2026.
- Who invested in Ona?
- Cofides, Korys, Columbus Venture Partners, FundPlus NV, Cdti, Bpifrance, Asabys Partners and Alta Life Sciences are named as investors in this round.
- What does Ona do?
- Ona is a Barcelona-based biotech company focused on developing innovative antibody drug conjugates (ADCs) for cancer treatment.
- Where is Ona based and how big is it?
- Ona is based in Barcelona, Catalonia, Spain.
- Who are the decision-makers at Ona?
- Fundz holds 1 contact at Ona, including the Co-founder & CEO. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Therapeutics and Biotechnology around the same time
Companies in the same sectors as Ona that raised within 45 days of this round, from Fundz verified event records.
- ME Therapeutics Holdings raised $457K (Post-IPO Equity) on July 17, 2026.
- Sightera Biosciences raised $3.4M (Pre-Seed) on July 17, 2026.
- Georgiamune raised $93M on July 16, 2026.
- Crescent Biopharma raised $8.1M (Post-IPO Equity) on July 15, 2026.
- AdvanCell raised $315M (Series D) on July 15, 2026.
- Draig Therapeutics raised $65M (Series B) on July 14, 2026.
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