$20m-$39.9m

Based on research at University of Washington and Lawrence Livermore National Laboratory, Zap Energy is working on a nuclear fusion reactor.

Sparx has returned to lead the OUVC-backed cell-based therapeutic technology developer’s series B round, which brought its overall funding to almost $45m.

University of Tokyo’s micro-satellite technology spinout’s $23.6m round featured exiting shareholder 31Ventures and various new investors.

Mogrify has collected $17m in a second series A tranche led by Parkwalk Advisors to bring the round’s total to $33m.

Ahren Innovation Capital has helped bring Zoe’s overall financing to $53m by leading a series B round for the personalised nutrition service.

Geothermal energy technology developer Fervo has received $28m from investors including Congruent Ventures and Helmerich & Payne.

Invesco Perpetual, the fund manager, and Imperial Innovations, the London Stock Exchange-listed spin-off from Imperial College London, are joined by The Cancer Prevention and Research Institute of Texas and the Wellcome Trust supporting Cell Medica's growth.

Revolymer, which makes chewing gum that is easier to remove from streets and pavements, was backed by the Setsquared Partnership, a joint venture capital initiative between Bath, Bristol, Exeter, Southampton and Surrey.

UK-listed investment fund Imperial Innovations joins GlaxoSmithKline's SR One, fund manager Invesco Perpetual and Lundbeckfond Ventures, backing the d cancer treatment company.