# Harmonix funding: rounds and investors

> Harmonix has raised $3.5M across 1 round since 2025. Investors include K Fund, ICF Capital and 4Founders Capital. Every round with its source.

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

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

# Who invested in *Harmonix*

One round we have observed, with the 3 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.

AI

Funding summary Updated 26 Oct 2026

**$3.5M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $3.5M Apr 2025
- **Investors:** 3

See who backed them

## The rounds

- **Apr 2025** Seed **$3.5M** [K Fund](https://millionrounds.com/fund/kfund) [ICF Capital](https://millionrounds.com/fund/icf-capital) [4Founders Capital](https://millionrounds.com/fund/4founders-capital) Source recorded

## Everyone who backed them

[K Fund](https://millionrounds.com/fund/kfund) VC firm **1** round

[ICF Capital](https://millionrounds.com/fund/icf-capital) Corporate VC **1** round

[4Founders Capital](https://millionrounds.com/fund/4founders-capital) VC firm **1** round

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

## Quick answers about Harmonix

### Who invested in Harmonix?

Harmonix's investors include K Fund, ICF Capital and 4Founders Capital.

### How much has Harmonix raised?

Harmonix has raised $3.5M across 1 round since 2025.

### When did Harmonix last raise?

Harmonix's most recent round was a Seed of $3.5M in Apr 2025.

### What was Harmonix's biggest round?

Its most recent round, $3.5M in Apr 2025, is also its largest on record.

### Who backed Harmonix first?

Harmonix's first round on record, in Apr 2025, was backed by K Fund, ICF Capital and 4Founders Capital.

### What stage is Harmonix at?

Harmonix's latest named round is a Seed, in Apr 2025.

### Where is Harmonix based?

Harmonix is based in Spain.

## Companies like Harmonix

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

[**InspectRail** $1.7M · Oct 2026](https://millionrounds.com/company/inspectrail)[**iPronics** $137M · Sept 2026](https://millionrounds.com/company/ipronics)[**Vottun** $412K · Sept 2026](https://millionrounds.com/company/vottun)[**Heydiga** $7.6M · Sept 2026](https://millionrounds.com/company/heydiga)[**Tucuvi** $5.7M · Sept 2026](https://millionrounds.com/company/tucuvi)[**Multiverse Computing** $785M · Jul 2026](https://millionrounds.com/company/multiverse-computing)

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