# Key Proteo funding: rounds and investors

> Key Proteo has raised $3.0M across 1 round since 2023. Investors include Mint. Every round with its source.

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

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

# Who invested in *Key Proteo*

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 Medical Devices

Funding summary Updated 26 Oct 2026

**$3.0M** raised across 1 round since 2023, from 1 source

- **Latest round:** Seed, $3.0M May 2023
- **Investors:** 1

See who backed them

## The rounds

- **May 2023** Seed **$3.0M** [Mint](https://millionrounds.com/fund/mint) Source recorded SEC filing: $3.0M sold, first sale May 2023

## Everyone who backed them

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

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

## Also claim to have backed them

This firm lists Key Proteo 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.

[Ignite Innovation](https://millionrounds.com/fund/ignite-innovation) VC firm Series A, per its site

## Quick answers about Key Proteo

### Who invested in Key Proteo?

Key Proteo's investors include Mint.

### How much has Key Proteo raised?

Key Proteo has raised $3.0M across 1 round since 2023.

### When did Key Proteo last raise?

Key Proteo's most recent round was a Seed of $3.0M in May 2023.

### What was Key Proteo's biggest round?

Its most recent round, $3.0M in May 2023, is also its largest on record.

### Who backed Key Proteo first?

Key Proteo's first round on record, in May 2023, was backed by Mint.

### What stage is Key Proteo at?

Key Proteo's latest named round is a Seed, in May 2023.

### Where is Key Proteo based?

Key Proteo is based in the United States.

## Companies like Key Proteo

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)

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