As of 14 Oct 2026, Callosum has raised $100M across 1 verified round on record; latest: $100M seed round led by Atomico, announced 20 Aug 2026.
Callosum - Co-evolving chips & intelligence
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2 sources
EU-Startups states €85.4 million ($100 million); the company's release states $100M, which is used as the company's own release takes precedence.
| Round | Amount | Announced | Lead | Buzz |
|---|---|---|---|---|
| Seed [ HISTORY ]: An earlier round, from the company's own announcement, found while researching the company. Checked like any round, but not new, so it stays out of the daily feed and alerts; a date range shows it. | $100M | 2026-08-20 | Atomico | No recent discussion |
2 sources [ VERIFIED ] read against 2 sources
EU-Startups states €85.4 million ($100 million); the company's release states $100M, which is used as the company's own release takes precedence. | ||||