# HoloSolis funding: rounds and investors

> HoloSolis has raised $255M across 1 round since 2025. Investors include EIT InnoEnergy, Heraeus and Armor Group. Every round with its source.

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

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

# Who invested in *HoloSolis*

One round we have observed, with the 7 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.

Cleantech Energy Manufacturing

Raised 12 months ago

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Funding summary Updated 15 Nov 2026

**$255M** raised across 1 round since 2025, from 1 source

- **Latest round:** Round, $255M Nov 2025
- **Investors:** 7

See who backed them

## The rounds

- **Nov 2025** Round **$255M** [EIT InnoEnergy](https://millionrounds.com/fund/innoenergy) [Heraeus](https://millionrounds.com/fund/heraeus) [Armor Group](https://millionrounds.com/fund/armor-group) [Calés Technologie](https://millionrounds.com/fund/cales-technologie) [Forming AG](https://millionrounds.com/fund/forming-ag) [Groupe IDEC](https://millionrounds.com/fund/groupe-idec) [TSE](https://millionrounds.com/fund/tse) Reported by Ventureburn

## Everyone who backed them

[EIT InnoEnergy](https://millionrounds.com/fund/innoenergy) VC firm **1** round

[Heraeus](https://millionrounds.com/fund/heraeus) Corporate VC **1** round

[Armor Group](https://millionrounds.com/fund/armor-group) Investment firm **1** round

[Calés Technologie](https://millionrounds.com/fund/cales-technologie) Investment firm **1** round

[Forming AG](https://millionrounds.com/fund/forming-ag) Investment firm **1** round

[Groupe IDEC](https://millionrounds.com/fund/groupe-idec) Private equity **1** round

[TSE](https://millionrounds.com/fund/tse) Investment firm **1** round

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

## Quick answers about HoloSolis

### Who invested in HoloSolis?

HoloSolis's investors include EIT InnoEnergy, Heraeus, Armor Group, Calés Technologie and Forming AG, and 2 more on record.

### How much has HoloSolis raised?

HoloSolis has raised $255M across 1 round since 2025.

### When did HoloSolis last raise?

HoloSolis's most recent round was an Undisclosed round of $255M in Nov 2025.

### What was HoloSolis's biggest round?

Its most recent round, $255M in Nov 2025, is also its largest on record.

### Who backed HoloSolis first?

HoloSolis's first round on record, in Nov 2025, was backed by EIT InnoEnergy, Heraeus and Armor Group and 4 others.

### What stage is HoloSolis at?

HoloSolis's latest named round is an Undisclosed round, in Nov 2025.

### Where is HoloSolis based?

HoloSolis is based in France.

## Companies like HoloSolis

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

[**Gama** $17M · Nov 2026](https://millionrounds.com/company/gama)[**triPica** $14M · Nov 2026](https://millionrounds.com/company/tripica)[**Calogena** $45M · Nov 2026](https://millionrounds.com/company/calogena)[**WORMSENSING** $14M · Nov 2026](https://millionrounds.com/company/wormsensing)[**Novacium** $4.0M · Oct 2026](https://millionrounds.com/company/novacium)[**Koddex** $3.4M · Oct 2026](https://millionrounds.com/company/koddex)

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