# Aer Therapeutics funding: rounds and investors

> Aer Therapeutics has raised $8.0M across 2 rounds since 2025. Investors include Canaan, OrbiMed and Hatteras Venture Partners. Every round with its source.

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

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

# Who invested in *Aer Therapeutics*

2 rounds we have observed, with the 3 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.

Biotech

Raised 2 months ago

Funding summary Updated 26 Oct 2026

**$8.0M** raised across 2 rounds since 2025, from 2 sources

**$5.0M** Venture **$3.0M** Round

- **Latest round:** Round, $3.0M Aug 2026
- **Biggest round:** $5.0M Venture · Feb 2025
- **Investors:** 3

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 2026

**$5.0M** Venture

**$3.0M** Round

- **First round:** Venture, $5.0M
- **Biggest round:** $5.0M
- **Between rounds:** 19 months

## The rounds

- **Aug 2026** Round **$3.0M** No investor was named in the report. Filed with the SEC (Form D); no report of this raise yet SEC filing: $3.0M sold, first sale Aug 2026
- **Feb 2025** Venture **$5.0M** *3 new* [Canaan](https://millionrounds.com/fund/canaan-partners) [OrbiMed](https://millionrounds.com/fund/orbimed) [Hatteras Venture Partners](https://millionrounds.com/fund/hatteras-venture-partners) Source recorded SEC filing: $5.0M sold, first sale Jan 2025

## 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.

**Venture** 2025 **Round** 2026 [Canaan](https://millionrounds.com/fund/canaan-partners) [OrbiMed](https://millionrounds.com/fund/orbimed) [Hatteras Venture Partners](https://millionrounds.com/fund/hatteras-venture-partners)

## Everyone who backed them

[Canaan](https://millionrounds.com/fund/canaan-partners) VC firm **1** round

[OrbiMed](https://millionrounds.com/fund/orbimed) Private equity **1** round

[Hatteras Venture Partners](https://millionrounds.com/fund/hatteras-venture-partners) VC firm **1** round

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

## Quick answers about Aer Therapeutics

### Who invested in Aer Therapeutics?

Aer Therapeutics's investors include Canaan, OrbiMed and Hatteras Venture Partners.

### How much has Aer Therapeutics raised?

Aer Therapeutics has raised $8.0M across 2 rounds since 2025.

### When did Aer Therapeutics last raise?

Aer Therapeutics's most recent round, $3.0M, was in Aug 2026.

### What was Aer Therapeutics's biggest round?

Aer Therapeutics's largest round on record is $5.0M (Venture), in Feb 2025.

### Who backed Aer Therapeutics first?

Aer Therapeutics's first round on record, in Feb 2025, was backed by Canaan, OrbiMed and Hatteras Venture Partners.

### What stage is Aer Therapeutics at?

Aer Therapeutics's latest named round is a Venture, in Feb 2025.

### Where is Aer Therapeutics based?

Aer Therapeutics is based in the United States.

## Companies like Aer Therapeutics

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)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)

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