# RebrAIn funding: rounds and investors

> RebrAIn has raised $4.0M across 1 round since 2024. Investors include Karista. Every round with its source.

Source: https://millionrounds.com/company/rebrain (Millionrounds; every figure on the page links to its filing or article)

France · [Seed startup](https://millionrounds.com/companies)

# Who invested in *RebrAIn*

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.

Healthcare

Funding summary Updated 26 Oct 2026

**$4.0M** raised across 1 round since 2024, from 1 source

- **Latest round:** Seed, $4.0M Mar 2024
- **Investors:** 1

See who backed them

## The rounds

- **Mar 2024** Seed **$4.0M** [Karista](https://millionrounds.com/fund/karista) Source recorded

## Founders and team

From RebrAIn's own website: 1 founder, 1 on the team.

**Nejib Zemzemi** Founder

- **David Caumartin** CEO

Advisers *Tom Beauvironnet*

## Everyone who backed them

[Karista](https://millionrounds.com/fund/karista) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=rebrain).

## Quick answers about RebrAIn

### Who invested in RebrAIn?

RebrAIn's investors include Karista.

### How much has RebrAIn raised?

RebrAIn has raised $4.0M across 1 round since 2024.

### When did RebrAIn last raise?

RebrAIn's most recent round was a Seed of $4.0M in Mar 2024.

### What was RebrAIn's biggest round?

Its most recent round, $4.0M in Mar 2024, is also its largest on record.

### Who backed RebrAIn first?

RebrAIn's first round on record, in Mar 2024, was backed by Karista.

### What stage is RebrAIn at?

RebrAIn's latest named round is a Seed, in Mar 2024.

### Where is RebrAIn based?

RebrAIn is based in France.

## Companies like RebrAIn

In the same sector, and raised in the last eighteen months.

[**HighLife** $140M · Sept 2026](https://millionrounds.com/company/highlife)[**AbTx** $1.9M · Sept 2026](https://millionrounds.com/company/abtx)[**Meditect** $225K · Sept 2026](https://millionrounds.com/company/meditect)[**Biolevate** $41M · Sept 2026](https://millionrounds.com/company/biolevate)[**Delos** $14M · Sept 2026](https://millionrounds.com/company/delos)[**Alan** $733M · Jun 2026](https://millionrounds.com/company/alan)

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