Funding
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Callosum
VentureSeed · $100M
Callosum raised a $100M Seed round led by Atomico.
Funding Round
Seed
Venture
Amount Raised
$100M
Amount raised in this round
Investor Info
Atomico
Funding Date
2026-08-20
Round close date
Use of Funds
—
Valuation
—
Post-money valuation