# Exai Bio funding: rounds and investors

> Exai Bio has raised $68M across 1 round since 2021. Investors include Two Sigma Ventures, Casdin Capital and S32. Every round with its source.

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

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

# Who invested in *Exai Bio*

One round we have observed, with the 3 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.

Biotech

Funding summary Updated 26 Oct 2026

**$68M** raised across 1 round since 2021, from 1 source

- **Latest round:** Series A, $68M Dec 2021
- **Investors:** 3

See who backed them

## The rounds

- **Dec 2021** Series A **$68M** [Two Sigma Ventures](https://millionrounds.com/fund/two-sigma-ventures) [Casdin Capital](https://millionrounds.com/fund/casdin-capital) [S32](https://millionrounds.com/fund/s32) Source recorded

## Founders and team

From Exai Bio's own website and the SEC filings it signed: 5 on the team.

- **Michael Nall** President & Chief Operating Officer
- **Carolyn Wang** Vice President, People and Culture
- **Lee Schwartzberg** Chief Medical Officer
- **Hani A. Goodarzi** Chief Technology Officer
- **Patrick A. Arensdorf** Executive Officer, Director i

On the board, as filed i *Alexander A. Parker* *Michael A. Pellini*

## Everyone who backed them

[Two Sigma Ventures](https://millionrounds.com/fund/two-sigma-ventures) VC firm **1** round

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

[S32](https://millionrounds.com/fund/s32) VC firm **1** round

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

## Quick answers about Exai Bio

### Who invested in Exai Bio?

Exai Bio's investors include Two Sigma Ventures, Casdin Capital and S32.

### How much has Exai Bio raised?

Exai Bio has raised $68M across 1 round since 2021.

### When did Exai Bio last raise?

Exai Bio's most recent round was a Series A of $68M in Dec 2021.

### What was Exai Bio's biggest round?

Its most recent round, $68M in Dec 2021, is also its largest on record.

### Who backed Exai Bio first?

Exai Bio's first round on record, in Dec 2021, was backed by Two Sigma Ventures, Casdin Capital and S32.

### What stage is Exai Bio at?

Exai Bio's latest named round is a Series A, in Dec 2021.

### Where is Exai Bio based?

Exai Bio is based in the United States.

## Companies like Exai Bio

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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