# CASTALIE funding: rounds and investors

> CASTALIE has raised $15M across 1 round since 2020. Investors include Bpifrance and Ring Capital. Every round with its source.

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

[Series B startup](https://millionrounds.com/companies)

# Who invested in *CASTALIE*

One round we have observed, with the 2 investors 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.

Water

Funding summary Updated 26 Oct 2026

**$15M** raised across 1 round since 2020, from 1 source

- **Latest round:** Series B, $15M Jun 2020
- **Investors:** 2

See who backed them

## The rounds

- **Jun 2020** Series B **$15M** [Bpifrance](https://millionrounds.com/fund/bpifrance) [Ring Capital](https://millionrounds.com/fund/ring) Source recorded

## Everyone who backed them

[Bpifrance](https://millionrounds.com/fund/bpifrance) Government **1** round

[Ring Capital](https://millionrounds.com/fund/ring) VC firm **1** round

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

## Quick answers about CASTALIE

### Who invested in CASTALIE?

CASTALIE's investors include Bpifrance and Ring Capital.

### How much has CASTALIE raised?

CASTALIE has raised $15M across 1 round since 2020.

### When did CASTALIE last raise?

CASTALIE's most recent round was a Series B of $15M in Jun 2020.

### What was CASTALIE's biggest round?

Its most recent round, $15M in Jun 2020, is also its largest on record.

### Who backed CASTALIE first?

CASTALIE's first round on record, in Jun 2020, was backed by Bpifrance and Ring Capital.

### What stage is CASTALIE at?

CASTALIE's latest named round is a Series B, in Jun 2020.

## Companies like CASTALIE

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

[**ZwitterCo** $58M · Oct 2026](https://millionrounds.com/company/zwitterco)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**DrizzleX** $9.1M · Oct 2026](https://millionrounds.com/company/drizzlex)[**Subeca** $9.0M · Oct 2026](https://millionrounds.com/company/subeca)[**Phigenics** Sept 2026](https://millionrounds.com/company/phigenics)[**Rainmaker** $126M · Sept 2026](https://millionrounds.com/company/rainmaker)

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