# aetherAI funding: rounds and investors

> aetherAI has raised $45M across 2 rounds since 2024. Investors include B Capital, Matrix Partners China and Innoangel Fund. Every round with its source.

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

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

# Who invested in *aetherAI*

2 rounds we have observed, with the 4 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.

AI

Raised 5 months ago

Funding summary Updated 26 Oct 2026

**$45M** raised across 2 rounds since 2024, from 2 sources

**$25M** Venture **$20M** Seed

- **Latest round:** Seed, $20M Jun 2026
- **Biggest round:** $25M Venture · Jan 2024
- **Investors:** 4

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.

2024 2025 2026

**$25M** Venture

**$20M** Seed

- **First round:** Venture, $25M
- **Biggest round:** $25M
- **Between rounds:** 2.4 years

## The rounds

- **Jun 2026** Seed **$20M** *3 new* [Matrix Partners China](https://millionrounds.com/fund/matrix-partners-china-2) [Innoangel Fund](https://millionrounds.com/fund/innoangel-fund) [UnityVC](https://millionrounds.com/fund/unityvc) Source recorded
- **Jan 2024** Venture **$25M** *1 new* [B Capital](https://millionrounds.com/fund/b-capital) Source recorded

## Founders and team

From aetherAI's own website: 2 founders.

**Joe Yeh** M.D., Co-founder & CEO.

**Steve Yeh** Co-founder

## 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** 2024 **Seed** 2026 [B Capital](https://millionrounds.com/fund/b-capital) [Matrix Partners China](https://millionrounds.com/fund/matrix-partners-china-2) [Innoangel Fund](https://millionrounds.com/fund/innoangel-fund) [UnityVC](https://millionrounds.com/fund/unityvc)

## Everyone who backed them

[B Capital](https://millionrounds.com/fund/b-capital) VC firm **1** round

[Matrix Partners China](https://millionrounds.com/fund/matrix-partners-china-2) VC firm **1** round

[Innoangel Fund](https://millionrounds.com/fund/innoangel-fund) VC firm **1** round

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

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

## Quick answers about aetherAI

### Who invested in aetherAI?

aetherAI's investors include B Capital, Matrix Partners China, Innoangel Fund and UnityVC.

### How much has aetherAI raised?

aetherAI has raised $45M across 2 rounds since 2024.

### When did aetherAI last raise?

aetherAI's most recent round was a Seed of $20M in Jun 2026.

### What was aetherAI's biggest round?

aetherAI's largest round on record is $25M (Venture), in Jan 2024.

### Who backed aetherAI first?

aetherAI's first round on record, in Jan 2024, was backed by B Capital.

### What stage is aetherAI at?

aetherAI's latest named round is a Seed, in Jun 2026.

### Where is aetherAI based?

aetherAI is based in the United States.

## Companies like aetherAI

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

[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**xPay** $1.5M · Oct 2026](https://millionrounds.com/company/xpay)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**FORT Robotics** $39M · Oct 2026](https://millionrounds.com/company/fort-robotics)[**Pika** $216M · Oct 2026](https://millionrounds.com/company/pika)[**Vertical Semiconductor** $84M · Oct 2026](https://millionrounds.com/company/vertical-semiconductor)

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