# ARTHEx Biotech S.L.

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/arthex-biotech-s-l

- Industry: Biotechnology
- Headquarters: Valencia, Spain
- Website: www.arthexbiotech.com
- Total disclosed funding: $53M
- Latest round: Series B (Sep 17, 2025)
- Investors on record: 8

## About

Founded in 2019 in and based in Valencia, Spain, ARTHEx Biotech S.L is a biotechnology company focused on developing innovative medicines through the investigation of antimiRs, a new class of therapeutic agents targeting microRNAs. In September 2025, ARTHEx Biotech S.L raised an undisclosed amount of series B funding led by new investor Bpifrance. Returning investors AdBio Partners, Center for Technological & Industrial Development, Columbus Venture Partners, European Innovation Council, Hadean Ventures, Invivo Partners, Sound Bioventures, and other unspecified investors also participated in the round. The round was part of a larger USD 87 million series B funding. The company will use the funding to enhance the development of its clinical trials.

## Funding rounds

- Series B, Sep 17, 2025 — Bpifrance, Hadean Ventures, AdBio Partners, Columbus Venture Partners, Invivo Partners, Sound Bioventures, Center for Technological & Industrial Development, European Innovation Council
- Series B, May 3, 2023, $46M — Hadean Ventures, AdBio Partners, Columbus Venture Partners, Invivo Partners, European Innovation Council, Sound Bioventures, Center for Technological & Industrial Development
- Seed, Jul 23, 2020, $4.9M — AdBio Partners, Invivo Partners
- Seed, Dec 23, 2019, $2M — Invivo Partners, Center for Technological & Industrial Development

## Investors

- Invivo Partners (https://capitalatlas.ai/funds/invivo-partners) — Seed, Series B
- Center for Technological & Industrial Development (https://capitalatlas.ai/funds/center-for-technological-industrial-development) — Seed, Series B
- AdBio Partners (https://capitalatlas.ai/funds/adbio-partners) — Seed, Series B
- Hadean Ventures (https://capitalatlas.ai/funds/hadean-ventures) — Series B
- Columbus Venture Partners (https://capitalatlas.ai/funds/columbus-venture-partners) — Series B
- European Innovation Council (https://capitalatlas.ai/funds/european-innovation-council) — Series B
- Sound Bioventures (https://capitalatlas.ai/funds/sound-bioventures) — Series B
- Bpifrance — Series B