# Firezone funding: rounds and investors

> Firezone has raised $500K across 2 rounds since 2021. Investors include Y Combinator. Every round with its source.

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

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

# Who invested in *Firezone*

2 rounds we have observed, with the one investor named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cybersecurity

Y Combinator: W22

Funding summary Updated 26 Oct 2026

**$500K** raised across 2 rounds since 2021, from 2 sources

- **Latest round:** Venture Apr 2022
- **Biggest round:** $500K Pre-seed · Nov 2021
- **Investors:** 1

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2022

**$500K** Pre-seed

**?** Venture

- **First round:** Pre-seed, $500K
- **Biggest round:** $500K
- **Between rounds:** 5 months

## The rounds

- **Apr 2022** Venture **Amount undisclosed** *1 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) Source recorded
- **Nov 2021** Pre-seed **$500K** *1 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) Source recorded

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **2** rounds

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

## Quick answers about Firezone

### Who invested in Firezone?

Firezone's investors include Y Combinator.

### How much has Firezone raised?

Firezone has raised $500K across 2 rounds since 2021. One round did not disclose an amount, so the total is a floor.

### When did Firezone last raise?

Firezone's most recent round was a Venture in Apr 2022.

### What was Firezone's biggest round?

Firezone's largest round on record is $500K (Pre-seed), in Nov 2021.

### Who backed Firezone first?

Firezone's first round on record, in Nov 2021, was backed by Y Combinator.

### What stage is Firezone at?

Firezone's latest named round is a Venture, in Apr 2022.

### Where is Firezone based?

Firezone is based in the United States.

## Companies like Firezone

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

[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Opsin** $21M · Oct 2026](https://millionrounds.com/company/opsin)[**Harmonic Security** $68M · Oct 2026](https://millionrounds.com/company/harmonic-security)[**Reach Security** $60M · Oct 2026](https://millionrounds.com/company/reach-security)[**Persona** $210M · Oct 2026](https://millionrounds.com/company/persona)[**Hilt** $4.7M · Oct 2026](https://millionrounds.com/company/hilt)

## Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.

Open the investor searchOr these rounds in the app