Position in SVTR
Snapshot 2026-10-20- Startup SignalsTop 50%↓16
- Climate & SustainabilityTop 50%–
- Healthcare ServicesRankedof 84↓1
- NuclearRankedof 20–
About
Astral Systems, founded in 2021 in Bristol, UK, develops compact fusion reactors to produce medical isotopes for cancer imaging and targeted therapy for hospitals.
Full tier & rationale — an SVTR Intelligence benefit
Capital graph
Founders / core team
Investors
Funding history
- 2026-06-23Series A$30M
Investors · Mercia Ventures、Blast Club、Tees River、Daphni、Speedinvest、Playfair
Comparable companies· by market
MostSame subsector: Nuclear · Similar total funding
United States
Latest roundTotal raisedDateChina
Latest roundTotal raisedDateEurope
Latest roundTotal raisedDateOther / unspecified
Latest roundTotal raisedDate- Helical FusionAlso at Series A
Series A · $15M · 2025-07
- Latest round
- Series A
- Total raised
- $15M
- Date
- 2025-07
- nT-Tao
Undisclosed · $22M · 2023-09
- Latest round
- Undisclosed
- Total raised
- $22M
- Date
- 2023-09
- CraifLife SciencesSame subsector: Healthcare services
Series D+ · $88M · 2026-08
- Latest round
- Series D+
- Total raised
- $88M
- Date
- 2026-08
Confirmed rounds only. Matched on subsector, sector, stage and funding scale — each verifiable on the company profiles.
Investors that may fit
Lowercarbon Capital
10 Climate & Sustainability deals in the last 24 months · 7 at a nearby stage · 1 in 西欧
Request intro →Lightspeed
6 Climate & Sustainability deals in the last 24 months · 3 at a nearby stage · 1 in 西欧
Request intro →Collaborative Fund
6 Climate & Sustainability deals in the last 24 months · 3 at a nearby stage · 2 in 西欧
Request intro →Y Combinator
5 Climate & Sustainability deals in the last 24 months · 4 at a nearby stage · 1 in 西欧
Request intro →Voyager Ventures
3 Climate & Sustainability deals in the last 24 months · 3 at a nearby stage · 1 in 西欧
Request intro →East X Ventures
3 Climate & Sustainability deals in the last 24 months · 2 at a nearby stage · 2 in 西欧
Request intro →Ranked by each firm’s deals in this sector over the last 24 months, weighted by nearby stage and shared geography. Indicative only — no rating judgment.