# Tome Biosciences funding: rounds and investors

> Tome Biosciences has raised $213M across 1 round since 2023. Investors include Andreessen Horowitz, Google Ventures and Polaris Partners.

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

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

# Who invested in *Tome Biosciences*

One round we have observed, with the 5 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

**$213M** raised across 1 round since 2023, from 1 source

- **Latest round:** Series A, $213M Dec 2023
- **Investors:** 5

See who backed them

## The rounds

- **Dec 2023** Series A **$213M** [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Google Ventures](https://millionrounds.com/fund/gv) [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) [Longwood Fund](https://millionrounds.com/fund/longwood-fund) Source recorded

## Everyone who backed them

[Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **1** round

[Google Ventures](https://millionrounds.com/fund/gv) Corporate VC **1** round

[Polaris Partners](https://millionrounds.com/fund/polaris-partners) VC firm **1** round

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

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

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

## Quick answers about Tome Biosciences

### Who invested in Tome Biosciences?

Tome Biosciences's investors include Andreessen Horowitz, Google Ventures, Polaris Partners, ARCH Venture Partners and Longwood Fund.

### How much has Tome Biosciences raised?

Tome Biosciences has raised $213M across 1 round since 2023.

### When did Tome Biosciences last raise?

Tome Biosciences's most recent round was a Series A of $213M in Dec 2023.

### What was Tome Biosciences's biggest round?

Its most recent round, $213M in Dec 2023, is also its largest on record.

### Who backed Tome Biosciences first?

Tome Biosciences's first round on record, in Dec 2023, was backed by Andreessen Horowitz, Google Ventures and Polaris Partners and 2 others.

### What stage is Tome Biosciences at?

Tome Biosciences's latest named round is a Series A, in Dec 2023.

### Where is Tome Biosciences based?

Tome Biosciences is based in the United States.

## Companies like Tome Biosciences

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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