Brazil · 
Who invested in Circular Brain?
Circular Brain's investors include Lorene Urban Mining.
Brazil · Funded startup
Who invested in Circular Brain
One round we have observed, with the one investor named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
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Funding summaryUpdated 5 Nov 2026
$3.5Mraised across 1 round since 2025, from 1 source
- Latest round
- Round, $3.5MMay 2025
- Investors
- 1
The rounds
- May 2025
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists Circular Brain as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Circular Brain
How much has Circular Brain raised?
Circular Brain has raised $3.5M across 1 round since 2025.
When did Circular Brain last raise?
Circular Brain's most recent round, $3.5M, was in May 2025.
What was Circular Brain's biggest round?
Its most recent round, $3.5M in May 2025, is also its largest on record.
Who backed Circular Brain first?
Circular Brain's first round on record, in May 2025, was backed by Lorene Urban Mining.
Where is Circular Brain based?
Circular Brain is based in Brazil.
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