# Gritstone funding: rounds and investors

> Gritstone has raised $93M across 1 round since 2017. Investors include Versant Ventures, Alexandria Real Estate Equities and Clarus Ventures.

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

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

# Who invested in *Gritstone*

One round we have observed, with the 7 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 Healthcare

Funding summary Updated 26 Oct 2026

**$93M** raised across 1 round since 2017, from 1 source

- **Latest round:** Series B, $93M Sept 2017
- **Investors:** 7

See who backed them

## The rounds

- **Sept 2017** Series B **$93M** [Versant Ventures](https://millionrounds.com/fund/versant-ventures) [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) [Clarus Ventures](https://millionrounds.com/fund/blackstone) [The Column Group](https://millionrounds.com/fund/the-column-group) [Frazier VC](https://millionrounds.com/fund/frazier-vc) Lilly Asia Ventures/ GV Trinitas Reported by FinSMEs

## Everyone who backed them

[Versant Ventures](https://millionrounds.com/fund/versant-ventures) VC firm **1** round

[Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) VC firm **1** round

[Clarus Ventures](https://millionrounds.com/fund/blackstone) VC firm **1** round

[The Column Group](https://millionrounds.com/fund/the-column-group) VC firm **1** round

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

Lilly Asia Ventures/ GV no record of our own yet **1** round

Trinitas no record of our own yet **1** round

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

## Quick answers about Gritstone

### Who invested in Gritstone?

Gritstone's investors include Versant Ventures, Alexandria Real Estate Equities, Clarus Ventures, The Column Group and Frazier VC, and 2 more on record.

### How much has Gritstone raised?

Gritstone has raised $93M across 1 round since 2017.

### When did Gritstone last raise?

Gritstone's most recent round was a Series B of $93M in Sept 2017.

### What was Gritstone's biggest round?

Its most recent round, $93M in Sept 2017, is also its largest on record.

### Who backed Gritstone first?

Gritstone's first round on record, in Sept 2017, was backed by Versant Ventures, Alexandria Real Estate Equities and Clarus Ventures and 4 others.

### What stage is Gritstone at?

Gritstone's latest named round is a Series B, in Sept 2017.

### Where is Gritstone based?

Gritstone is based in the United States.

## Companies like Gritstone

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)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)

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