Tokamak Energy
Commercialising fusion energy and HTS magnet technology
We back the physical infrastructure of the next economy
Investing in founders turning frontier science into a commercial reality. Investing across fusion, next generation power, supply chains and AI.
- Stage
- Seed–Series B
- Focus
- Power · Industry · AI
- Geography
- Europe · N. America · Asia
Starmaker One · Flagship Fund
Backing the teams making fusion and frontier power real
The hardest, highest-leverage problem in the energy transition is generating abundant clean power — and a generation of companies is now turning decades of physics into engineering. Starmaker One invests early in the magnet, laser, fuel and plasma technologies that get us there.
One shared thesis
How we invest
East X Ventures invests through its flagship fund and an affiliated investment company — one focused on fusion, and one across the wider deep-tech stack.
Flagship Fund · FusionStarmaker OneA focused thesis on fusion — investing across power systems and supply chain, covering magnets, lasers, fuel and enabling technology.Read more →Affiliated Company · Deep-techEast InnovateNext generation power systems, advanced manufacturing, supply chains and AI.Read more →
Portfolio
Companies we’ve backed
A selection across power, manufacturing, supply chains and AI. Click below to see them all.
Figure AI
Humanoid robots targeting labour shortages
Nu Quantum
Quantum networks to unlock commercial quantum computing scale-out
digiLab
Uncertainty quantification to help engineering industries optimise their complex systems
Leading laser fusion systems company
Production of fusion energy fuel and strategic isotopes
Modular and vertically-integrated synthetic fuel production
Proxima Fusion
Building stellarators to power the future
People
Our investment team
Theodore Mollinger
General Partner
Nathan Mosher
General Partner
Curran Kalha
Investor
News
From our portfolio
Luffy AI raises €9.4 million Series A to scale neuroplastic AI for real-time adaptive control
Luffy AI, an Oxfordshire-based startup using neuroplastic AI for real-time adaptive control, has raised €9.4 million (£8.1 million) in a Series A funding
Proxima Fusion Raises €411 Million to Build Europe’s Commercial Fusion Champion
Proxima Fusion today announced a €411 million ($468 million) financing round, bringing the company’s valuation to €2.4 billion ($2.7 billion) and establishing Proxima as the best-funded fusion company in Europe.
Tokamak Energy named Magnet Systems Partner for STEP Fusion programme - Tokamak Energy
Tokamak Energy has been confirmed as the Magnet Systems Partner for the UK’s STEP Fusion programme, announced at Fusion Fest in London on 14 April. UK Fusion Energy (UKFE) awarded the £70 million contract covering the period up to March 2029 after Tokamak Energy was identified as the leading UK-based manufacturing expert with the specialist […]