# Red Balloon funding: rounds and investors

> Red Balloon has raised $22M across 1 round since 2018. Investors include Y Combinator, Bossa Invest and Greycroft. Every round with its source.

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

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

# Who invested in *Red Balloon*

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.

Cybersecurity

Funding summary Updated 26 Oct 2026

**$22M** raised across 1 round since 2018, from 2 sources

- **Latest round:** Series A, $22M Apr 2018
- **Investors:** 7

See who backed them

## The rounds

- **Apr 2018** Series A **$22M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Bossa Invest](https://millionrounds.com/fund/bossa-invest) [Greycroft](https://millionrounds.com/fund/greycroft) [Bain Capital Ventures](https://millionrounds.com/fund/bain-capital-ventures) [Abstract Ventures](https://millionrounds.com/fund/abstract) [American Family Ventures](https://millionrounds.com/fund/american-family-ventures) Bain Capital Ventures/ Greycroft Reported by FinSMEs and 1 other SEC filing: $16M sold, first sale Feb 2018

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[Bossa Invest](https://millionrounds.com/fund/bossa-invest) VC firm **1** round

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

[Bain Capital Ventures](https://millionrounds.com/fund/bain-capital-ventures) VC firm **1** round

[Abstract Ventures](https://millionrounds.com/fund/abstract) VC firm **1** round

[American Family Ventures](https://millionrounds.com/fund/american-family-ventures) VC firm **1** round

Bain Capital Ventures/ Greycroft no record of our own yet **1** round

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

## Quick answers about Red Balloon

### Who invested in Red Balloon?

Red Balloon's investors include Y Combinator, Bossa Invest, Greycroft, Bain Capital Ventures and Abstract Ventures, and 2 more on record.

### How much has Red Balloon raised?

Red Balloon has raised $22M across 1 round since 2018.

### When did Red Balloon last raise?

Red Balloon's most recent round was a Series A of $22M in Apr 2018.

### What was Red Balloon's biggest round?

Its most recent round, $22M in Apr 2018, is also its largest on record.

### Who backed Red Balloon first?

Red Balloon's first round on record, in Apr 2018, was backed by Y Combinator, Bossa Invest and Greycroft and 4 others.

### What stage is Red Balloon at?

Red Balloon's latest named round is a Series A, in Apr 2018.

### Where is Red Balloon based?

Red Balloon is based in the United States.

## Companies like Red Balloon

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