UK Bristol Funding Rounds: April 2026

In April 2026, we detected 4 UK Bristol equity rounds from Companies House SH01 filings. Total new shares allotted: £18.0M, median round size £5.9M.

The largest was Astral Neutronics Ltd (£9.2M).

The Rounds

Astral Neutronics Ltd — £9.2M, 2026/04/14

Astral Neutronics, operating as Astral Systems, develops and manufactures compact nuclear fusion reactors utilizing Multi-State Fusion technology. These reactors are designed to produce on-demand radioisotopes for… View profile →

Ducentis Biotherapeutics Ltd. — £5.9M, 2026/04/20

Ducentis Biotherapeutics is a preclinical-stage biotechnology company that develops novel therapies for inflammatory and autoimmune diseases. Their lead product, DS-234, is a fusion protein targeting the… View profile →

Greystones Holdings Sw Ltd — £1.9M, 2026/04/02

Greystones Holdings Sw operates as a construction holding company. This means it engages in activities related to holding companies within the construction sector. View profile →

Scarlet Therapeutics Limited — £945k, 2026/04/30

Scarlet Therapeutics develops a proprietary platform that generates novel red blood cell-based therapeutics (tRBCs) designed to carry therapeutic proteins. These tRBCs are initially aimed at treating rare… View profile →

Funding Spotter detects every UK equity round as soon as it's filed at Companies House. Get the next Bristol recap in your inbox or browse the latest news.