Who invested in RespirAq

2 rounds we have observed, with the 2 investors 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.

Manufacturing

Funding summaryUpdated 26 Oct 2026

$1.8Mraised across 2 rounds since 2024, from 2 sources

$1.8MSeed$28KGrant

Latest round: Grant, $28KJul 2024
Biggest round: $1.8MSeed · Apr 2024
Investors: 2

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.

2025

$1.8MSeed$28KGrant

First round: Seed, $1.8M
Biggest round: $1.8M
Between rounds: 3 months

The rounds

Jul 2024
Grant$28K1 new1 returning
- Callaghan Innovation
- Icehouse Ventures
Source recorded
Apr 2024
Seed$1.8M1 new
- Icehouse Ventures
Source recorded

Founders and team

From RespirAq's own website: 1 founder, 3 on the team.

Dr Sandra Grau-BartualFounder & CEO

Dr Melanie MoylanHead of Clinical Affairs
David BeardBoard Director
Hanie YeeExec Director & Chair

AdvisersDr Glenn RichardsDr Lionel King

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Seed2024Grant2024

Icehouse Ventures

Callaghan Innovation

Everyone who backed them

Icehouse VenturesVC firm2rounds

Callaghan InnovationInvestment firm1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

These 2 firms list RespirAq as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.