# Altos Labs funding: rounds and investors

> Altos Labs has raised $3.0B across 1 round since 2021. Investors include 8VC and ARCH Venture Partners. Every round with its source.

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

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

# Who invested in *Altos Labs*

One round we have observed, with the 2 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.

Pharma

Funding summary Updated 26 Oct 2026

**$3.0B** raised across 1 round since 2021, from 1 source

- **Latest round:** Series A, $3.0B Sept 2021
- **Investors:** 2

See who backed them

## The rounds

- **Sept 2021** Series A **$3.0B** [8VC](https://millionrounds.com/fund/8vc) [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) Source recorded

## Founders and team

From Altos Labs's own website: 3 founders, 9 on the team.

**Juan Carlos Izpisua Belmonte** Founding Scientist and Senior Vice President

**Hal Barron** CEO and Founder

**Hans Bishop** President and Founder

- **Connie White** Chief People Officer
- **Kevin Sin** Chief Financial and Business Officer
- **Laurie Hill** General Counsel and Chief Compliance Officer
- **Frances Arnold** Director
- **Jennifer Doudna** Director
- **Karl Johansson** Director
- **Maria Leptin** Director
- **Rajiv Shah** Lead Independent Director
- **Robert Nelsen** Director

Advisers *Rick Klausner*

## Everyone who backed them

[8VC](https://millionrounds.com/fund/8vc) VC firm **1** round

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

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

## Also claim to have backed them

This firm lists Altos Labs as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Hyperspeed Ventures](https://millionrounds.com/fund/hyperspeed-ventures) VC firm Per its own site

## Quick answers about Altos Labs

### Who invested in Altos Labs?

Altos Labs's investors include 8VC and ARCH Venture Partners.

### How much has Altos Labs raised?

Altos Labs has raised $3.0B across 1 round since 2021.

### When did Altos Labs last raise?

Altos Labs's most recent round was a Series A of $3.0B in Sept 2021.

### What was Altos Labs's biggest round?

Its most recent round, $3.0B in Sept 2021, is also its largest on record.

### Who backed Altos Labs first?

Altos Labs's first round on record, in Sept 2021, was backed by 8VC and ARCH Venture Partners.

### What stage is Altos Labs at?

Altos Labs's latest named round is a Series A, in Sept 2021.

### Where is Altos Labs based?

Altos Labs is based in the United States.

## Companies like Altos Labs

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

[**Matchpoint Therapeutics** $220M · Oct 2026](https://millionrounds.com/company/matchpoint-therapeutics)[**Rx Bandz** Oct 2026](https://millionrounds.com/company/rx-bandz)[**Hera Biotech** $1.8M · Sept 2026](https://millionrounds.com/company/hera-biotech)[**GevRx Nutraceuticals** $300K · Sept 2026](https://millionrounds.com/company/gevrx-nutraceuticals)[**RegCell** $81M · Sept 2026](https://millionrounds.com/company/regcell)[**ClearSight Therapeutics** $307K · Sept 2026](https://millionrounds.com/company/clearsight-therapeutics)

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