About East X Ventures
East X Ventures is a venture capital firm located in London, United Kingdom. As of Sep 2026, East X Ventures is an active investor, having invested in 4 companies, with 4 new investments in the last 12 months. It primarily invests in Seed round in United Kingdom based startups. Its investments are spread across a wide range of sectors from Enterprise Applications to High Tech and Energy Tech. Most recently it participated in the $***** Seed round of StandardX Overall, East X Ventures portfolio has seen 1 unicorn, namely Proxima Fusion. A lot of funds co-invest with East X Ventures, with names like UK Innovation Science & Seed Fund sharing a substantial percentage of its portfolio. East X Ventures has team of 2 people including 1 partners.Key Metrics
Team Members
Portfolio Count
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed, Series A & 1 more
Portfolio Unicorns
Portfolio Soonicorns
Deals in last 12 months
East X Ventures' List of All Investments
East X Ventures has a portfolio of 4 companies, one of which is a Unicorn. Their most notable investments are in Proxima Fusion and StandardX.Their portfolio spans across United Kingdom and Germany. They have invested in Enterprise Applications, High Tech, Energy Tech and 3 other sectors, across stages such as Seed, Series A and 1 more. Here is the list of all investments by East X Ventures:Key facts about Proxima Fusion
- Founded Year: 2023
- Location: Munich (Germany)
- Valuation: $*****
- Stage: Series A
- Total Funding till date: $211M
- Employee Count: 185 as on Aug 31, 2026
- Investors: DST Global, Burda Principal Investments and 43 Others
- Latest Funding Round: Series A, Jul 07, 2026, $*****
- Highlight: Editors' Pick
First Light is developing a nuclear fusion process based on inertial confinement fusion. The process involves symmetrical implosion reaction of the helium produced from water which claims to produce a temperature that of the sun core. This heat energy is then utilized for power production.
Key facts about First Light Fusion
- Founded Year: 2011
- Location: Oxford (United Kingdom)
- Stage: Series C
- Total Funding till date: $139M
- Employee Count: 88 as on Aug 31, 2026
- Investors: Invesco, Salica Investments and 12 Others
- Latest Funding Round: Series C, Apr 21, 2026, $*****
- Highlight: Editors' Pick

3. Astut
Developer of AI decision support for high stakes unseen problems. It offers hybrid AI for transparent decision support, addressing challenges with incomplete knowledge. The company captures corporate knowledge, policies, sector expertise, and observables to address irrevocable problems. It builds upon advances from generative AI, novelty search, advanced analytics, metaheuristics, ontologies, and controlled language programming. The company delivers its services within a framework and innovative process.
Key facts about Astut
- Location: United Kingdom
- Stage: Seed
- Total Funding till date: $2.09M
- Investors: Sure Valley Ventures, UK Innovation Science & Seed Fund and 2 Others
- Latest Funding Round: Seed, Oct 24, 2025, $*****

4. StandardX
Developer of isotope production infrastructure for health, industry, and energy. It focuses on creating isotopes essential for curing cancer through diagnostic and therapeutic applications. The company also supports modern industrial systems, enhancing their resilience and performance with critical isotopes. Furthermore, it addresses the energy sector by producing tritium, a fuel necessary for fusion energy scalability.
Key facts about StandardX
- Founded Year: 2025
- Stage: Seed
- Total Funding till date: $13.4M
- Investors: Start Capital, Firstminute Capital and 5 Others
- Latest Funding Round: Seed, Sep 23, 2026, $*****
East X Ventures' Year-on-Year Investment Trends
In 2025, it made 1 investment, while as of Sep 2026, it has made 3 investments in this year. Its most recent first time investment was in StandardX.East X Ventures' Investments by Stage
East X Ventures has made 2 investments in Seed stage with an average round size of $7.72M, 1 investment in Series A stage with an average round size of $468M and 1 investment in Series C stage with an average round size of $33.8M.Stage of entry | No. of Investments |
|---|---|
Seed | 2 |
Series A | 1 |
Series C | 1 |
Note: We have considered here, only first round of investments
East X Ventures' Investments by Sector
East X Ventures has a diverse portfolio, with companies operating in the Energy, Environment, High Tech, Energy Tech and Business Services. Notably, it has invested in 2 Enterprise (B2B) companies, 2 Tech companies, 1 Saas company and 1 company focusing on Software.Sector | No. of Investments |
|---|---|
Energy | 3 |
Environment | 3 |
High Tech | 3 |
Energy Tech | 2 |
Business Services | 1 |
Others | 1 |
Note: We have considered here, only first round of investments
East X Ventures' Investments by Geography
East X Ventures has made most investments in United Kingdom (2), followed by Germany where it has made 1 investment.Country | No. of Investments |
|---|---|
United Kingdom | 2 |
Germany | 1 |
Note: We have considered here, only first round of investments
East X Ventures' recent investments
East X Ventures has made 3 investments in 2026 so far. StandardX and Proxima Fusion are the latest among them.Here are the most recent investments by East X Ventures:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Sep 23, 2026 | - | Seed | 7334 | [+4] | |
Jul 07, 2026 | Germany | Series A | 2000 | [+19] | |
Apr 21, 2026 | United Kingdom | Series C | 9902 | [+1] | |
Oct 24, 2025 | United Kingdom | Seed | 1999 | [+1] |
Unicorns in East X Ventures' Portfolio
East X Ventures has 1 unicorn in its portfolio - Proxima Fusion. The most recent unicorn in their portfolio is Proxima Fusion which became a unicorn in 2026.Here is a list of unicorns in East X Ventures' portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
60 | Developer of fusion power plants | 2023 | Munich | Series A | brqjsfi |
Team profile of East X Ventures
East X Ventures has a team of 2 members. East X Ventures' team does not sit on the board of any company as of now.Co-investors of East X Ventures
Over the past year, 50 investors have co-invested in East X Ventures's portfolio companies. This includes funds and angels.
- Invested before East X Ventures: UVC Partners, HTGF and 32 others have invested in rounds before East X Ventures. There is 1 company where UVC Partners has invested before East X Ventures and 1 company where HTGF has invested before East X Ventures.
- Top Co-investors of East X Ventures: 16 investors entered a company along with East X Ventures. These include investors like UK Innovation Science & Seed Fund (2 companies).
Recent News related to East X Ventures
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Proxima Fusion raises €411 million to build Europe’s fusion demonstratorVoxelMatters•Jul 10, 2026•Leitmotif, KfW Capital, XTX Markets, Proxima Fusion and 18 others
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Google Exceeds $1 Billion Africa Investment Target, Announces AI and Infrastructure InitiativesVCCircle•Jul 02, 2026•Google, Spaceflow, Volvo Cars, Y Combinator and 10 others
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Google Throttles Meta's Gemini Access Amidst Industry-Wide Compute ShortageTrending Topics•Jun 28, 2026•Google, Meta, Alphabet, XTX Markets and 3 others
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RWE Opens New Offshore Wind Control Centre in GermanyOffshore WIND•Jun 25, 2026•RWE, Proxima Fusion, Google, Burda Principal Investments and 2 others
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First Light Fusion Completes £25m Funding RoundBusinessGreen•Apr 21, 2026•First Light Fusion, UKAEA, East X Ventures
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Astut, an Oxford University spin-out, lands €1.8 million round for transparent reasoning-based AIEU-Startups•Oct 24, 2025•UK Innovation Science & Seed Fund, , Sure Valley Ventures, East X Ventures and 2 others
