# Ona Therapeutics funding: rounds and investors > Ona Therapeutics has raised $98M across 2 rounds since 2025. Investors include Bpifrance, Merieux Equity Partners and Columbus Venture Partners. Source: https://millionrounds.com/company/ona-therapeutics (Millionrounds; every figure on the page links to its filing or article) Spain · [Series B startup](https://millionrounds.com/companies) # Who invested in *Ona Therapeutics* 2 rounds we have observed, with the 12 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. Biotech Healthcare Pharma Raised 5 months ago Follow Ona Therapeutics and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fona-therapeutics) Funding summary Updated 5 Nov 2026 **$98M** raised across 2 rounds since 2025, from 3 sources **$12M** Venture **$87M** Series B - **Latest round:** Series B, $87M Jun 2026 - **Led by:** Merieux Equity Partners and Columbus Venture Partners - **Step-up i:** 7.5× - **Investors:** 12 (2 led) See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2026 **$12M** Venture **$87M** Series B - **First round:** Venture, $12M - **Biggest round:** $87M - **Between rounds:** 8 months ## The rounds - **Jun 2026** Series B **$87M** *11 new* *1 returning* [Merieux Equity Partners](https://millionrounds.com/fund/merieux-equity-partners) Lead [Columbus Venture Partners](https://millionrounds.com/fund/columbus-venture-partners) Lead [Bpifrance](https://millionrounds.com/fund/bpifrance) [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) [Ysios Capital](https://millionrounds.com/fund/ysios-capital) [CDTI](https://millionrounds.com/fund/cdti) [COFIDES](https://millionrounds.com/fund/cofides) [Korys](https://millionrounds.com/fund/korys) [Asabys Partners](https://millionrounds.com/fund/asabys-partners) [Alta Life Sciences](https://millionrounds.com/fund/alta-life-sciences) [CDTI through SICC Innvierte](https://millionrounds.com/fund/cdti-through-sicc-innvierte) [FundPlus NV](https://millionrounds.com/fund/fundplus-nv) Reported by Asabys and 1 other - **Oct 2025** Venture **$12M** *1 new* [Bpifrance](https://millionrounds.com/fund/bpifrance) Source recorded ## Founders and team From Ona Therapeutics's own website: 3 on the team. - **Antoine J. Yver** Independent Chair - **Jose Mesa** Board Member - **Valerie Calenda** Board Member ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Venture** 2025 **Series B** 2026 [Bpifrance](https://millionrounds.com/fund/bpifrance) [Merieux Equity Partners](https://millionrounds.com/fund/merieux-equity-partners) L [Columbus Venture Partners](https://millionrounds.com/fund/columbus-venture-partners) L [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) [Ysios Capital](https://millionrounds.com/fund/ysios-capital) [CDTI](https://millionrounds.com/fund/cdti) [COFIDES](https://millionrounds.com/fund/cofides) [Korys](https://millionrounds.com/fund/korys) [Asabys Partners](https://millionrounds.com/fund/asabys-partners) [Alta Life Sciences](https://millionrounds.com/fund/alta-life-sciences) ## Everyone who backed them [Bpifrance](https://millionrounds.com/fund/bpifrance) Government **2** rounds [Merieux Equity Partners](https://millionrounds.com/fund/merieux-equity-partners) Private equity **1** round, led 1 [Columbus Venture Partners](https://millionrounds.com/fund/columbus-venture-partners) VC firm **1** round, led 1 [U.S. Venture Partners](https://millionrounds.com/fund/u-s-venture-partners-usvp) VC firm **1** round [Ysios Capital](https://millionrounds.com/fund/ysios-capital) VC firm **1** round [CDTI](https://millionrounds.com/fund/cdti) Investment firm **1** round [COFIDES](https://millionrounds.com/fund/cofides) Government **1** round [Korys](https://millionrounds.com/fund/korys) Family office **1** round [Asabys Partners](https://millionrounds.com/fund/asabys-partners) VC firm **1** round [Alta Life Sciences](https://millionrounds.com/fund/alta-life-sciences) Growth equity **1** round [CDTI through SICC Innvierte](https://millionrounds.com/fund/cdti-through-sicc-innvierte) Growth equity **1** round [FundPlus NV](https://millionrounds.com/fund/fundplus-nv) Growth equity **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=ona-therapeutics). ## Also claim to have backed them This firm lists Ona Therapeutics as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above. [Fund+](https://millionrounds.com/fund/fundplus) Private equity Per its own site ## Quick answers about Ona Therapeutics ### Who invested in Ona Therapeutics? Ona Therapeutics's investors include Bpifrance, Merieux Equity Partners, Columbus Venture Partners, U.S. Venture Partners and Ysios Capital, and 7 more on record. Merieux Equity Partners led its latest round. ### How much has Ona Therapeutics raised? Ona Therapeutics has raised $98M across 2 rounds since 2025. ### When did Ona Therapeutics last raise? Ona Therapeutics's most recent round was a Series B of $87M in Jun 2026, led by Merieux Equity Partners. ### What was Ona Therapeutics's biggest round? Its most recent round, $87M in Jun 2026, is also its largest on record. ### Who backed Ona Therapeutics first? Ona Therapeutics's first round on record, in Oct 2025, was backed by Bpifrance. ### What stage is Ona Therapeutics at? Ona Therapeutics's latest named round is a Series B, in Jun 2026. ### Where is Ona Therapeutics based? Ona Therapeutics is based in Spain. ### Who led Ona Therapeutics's rounds? Merieux Equity Partners led the Series B in 2026. ## Companies like Ona Therapeutics In the same sector, and raised in the last eighteen months. [**ALLOX** $11M · Oct 2026](https://millionrounds.com/company/allox)[**Impress** $77M · Oct 2026](https://millionrounds.com/company/impress)[**Vera Health** $29M · Oct 2026](https://millionrounds.com/company/vera-health)[**HAWK Biosystems** $3.9M · Oct 2026](https://millionrounds.com/company/hawk-biosystems)[**Anaconda Biomed** $73M · Sept 2026](https://millionrounds.com/company/anaconda-biomed)[**Vaxdyn** $26M · Sept 2026](https://millionrounds.com/company/vaxdyn) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app