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Callosum
Value £79,000,000

Callosum

VC Funding
Seed £50m+
DeepTech & AI Published 21 August 2026

Summary

Callosum, an AI infrastructure company founded by Cambridge scientists Danyal Akarca and Jascha Achterberg, has successfully raised $100 million (£73m) in a seed financing round.

Summary of transaction details:

  • Value: $100 million (£73m)
  • Sector: DeepTech & AI
  • Advisor: N/A
  • Key Entities: Callosum (Target), Atomico (Lead Investor), Plural, DCVC, UK Sovereign AI, Albion VC (Participating Investors)
  • Location: Cambridge (Founders based)

Note: This significant seed round, one of the largest ever in Europe, underscores the critical need for advanced AI infrastructure solutions that can efficiently manage and optimize diverse AI models and hardware. Callosum’s innovative approach aims to make AI more capable, affordable, and energy-efficient.

Atomico

Lead Investor / Acquirer

Atomico

Advising Broker

Undisclosed Firm

Original Source

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