Astral Systems

Stub Updated Jun 23, 2026

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Location Bristol, United Kingdom
Latest Stage Series A
Total Raised £28M+
Website https://www.astralsystems.com/
Sector
fusion healthcare medical-isotopes deep-tech

About

Astral Systems is a Bristol-based fusion startup developing a compact “multi-state fusion” (MSF) reactor with the near-term goal of producing on-demand medical isotopes for cancer therapy. In partnership with McMaster University and Brazil’s Institute for Energy and Nuclear Research, Astral targets commercial production of Actinium-225 and Lead-212 — isotopes used in targeted cancer therapies — by early 2027 12.

Funding History

Date Round Amount Lead Co-investors
2026-06-23 Series A £23M (~€26M) Mercia Ventures Tees River, Daphni, Blast Club, Speedinvest, Playfair 12

What Investors Say

No independently sourced investor commentary found at this time.

What Founders Say

No independently sourced founder testimonials found at this time.

Sources

  1. TechFundingNews, “Bristol fusion startup raises £23M to produce cancer-fighting isotopes while the rest of the industry is still 20 years away,” June 2026. Accessed June 2026. https://techfundingnews.com/astral-systems-23m-fusion-isotopes-cancer/↩↩

  2. The Next Web, “Astral Systems £23M raise targets cancer isotopes,” June 2026. Accessed June 2026. https://thenextweb.com/news/astral-systems-23m-fusion-cancer-isotopes↩↩