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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
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

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

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

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

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.
Here are East X Ventures' investments by stage:
Stage of entry
No. of Investments
Seed
2
Series A
1
Series C
1
Breakdown of East X Ventures' investments by stage of entrySeed (2)Series A (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.
Here are East X Ventures' investments by sector:
Sector
No. of Investments
Energy
3
Environment
3
High Tech
3
Energy Tech
2
Business Services
1
Others
1
Breakdown of East X Ventures' investments by sectorsEnergy (3)Environment (3)
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.
Here are East X Ventures' investments by geography:
Country
No. of Investments
United Kingdom
2
Germany
1
Breakdown of East X Ventures' investments by countriesUnited 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
Jul 07, 2026
Germany
Series A
2000
  [+19]
Apr 21, 2026
United Kingdom
Series C
9902
  [+1]
Oct 24, 2025
United Kingdom
Seed
1999

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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FAQs about East X Ventures

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