Callosum

Callosum raised $100M in a Seed round announced August 20, 2026, according to x.com. Investors in that round: Atomico, DCVC, Plural, UK Sovereign AI.

Raise history

1. August 20, 2026
   Seed · $100M
   Atomico, DCVC, Plural, UK Sovereign AI
   Source: x.com (source listing)
2. August 20, 2026
   First seen by Recent Funding
   via pipeline

Investors

• Atomico
• DCVC
• Plural
• UK Sovereign AI

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Every amount links to the page it came from. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/callosum.