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ENA Respiratory

Melbourne, Australia

$3M raisedFreshly fundedHealth: BiotechBiotech

Total Raised

$3M

Location

Melbourne, Australia

Founded

2020

Team size

11-50

Links

About ENA Respiratory

Clinical-stage biotech developing antiviral nasal spray treatments for respiratory viruses.

What sets it apart

Its lead asset is a virus-agnostic, self-administered nasal prophylactic that boosts the body’s innate immune defense rather than targeting a specific virus.

Sectors

Health: BiotechBiotech

Business

Modelhardware

CustomerAt-risk individuals and populations vulnerable to respiratory viral complications, including older adults, people with comorbidities, and occupationally exposed groups

Notable

  • Founded as an independent company in 2020
  • Advanced INNA-051 as a clinical-stage nasal prophylactic
  • Raised multiple financing rounds, including a reported US$22.4 million Series B in 2025
  • Received funding from the Gates Foundation, Flu Lab, Brandon Capital, Uniseed, Stoic Venture Capital, and the Minderoo Foundation
  • Entered a partnership with the COPD Foundation to develop INNA-051 for people with chronic lung disease

Funding rounds

3 Sept 2026

Led by Biointelect Venturer

Source ↗

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FAQ

What does ENA Respiratory do?

Clinical-stage biotech developing antiviral nasal spray treatments for respiratory viruses.

Where is ENA Respiratory based?

ENA Respiratory is based in Melbourne, Australia, founded in 2020.

How much has ENA Respiratory raised?

ENA Respiratory has raised $3M in tracked funding.

Who has invested in ENA Respiratory?

Investors in ENA Respiratory include Brandon Capital, Uniseed, Minderoo Foundation, Gates Foundation, Flu Lab and Stoic Venture Capital.