United States · Series A startup

Who invested in Gritstone oncology

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.

Funding summaryUpdated 31 Oct 2026

$102Mraised across 1 round since 2015, from 1 source

Latest round
Series A, $102MOct 2015
Investors
7
See who backed them

The rounds

  1. Oct 2015

Everyone who backed them

Versant VenturesVC firm1round
Redmile GroupVC firm1round
Casdin CapitalVC firm1round
Frazier Healthcare PartnersPrivate equity1round
Clarus VenturesVC firm1round
The Column GroupVC firm1round

Missing a round, or an investor who was in one? Tell us.

Quick answers about Gritstone oncology

Who invested in Gritstone oncology?

Gritstone oncology's investors include Versant Ventures, Redmile Group, Casdin Capital, Frazier Healthcare Partners and Clarus Ventures, and 2 more on record.

How much has Gritstone oncology raised?

Gritstone oncology has raised $102M across 1 round since 2015.

When did Gritstone oncology last raise?

Gritstone oncology's most recent round was a Series A of $102M in Oct 2015.

What was Gritstone oncology's biggest round?

Its most recent round, $102M in Oct 2015, is also its largest on record.

Who backed Gritstone oncology first?

Gritstone oncology's first round on record, in Oct 2015, was backed by Versant Ventures, Redmile Group and Casdin Capital and 4 others.

What stage is Gritstone oncology at?

Gritstone oncology's latest named round is a Series A, in Oct 2015.

Where is Gritstone oncology based?

Gritstone oncology is based in the United States.

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