Series B startup

Who invested in Graphite Bio

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 summaryUpdated 26 Oct 2026

$151Mraised across 1 round since 2021, from 1 source

Latest round
Series B, $151MMar 2021
Investors
5
See who backed them

The rounds

  1. Mar 2021
    Series B$151M

    Source recordedSEC filing: $151M sold, first sale Mar 2021

Founders and team

From Graphite Bio's own website: 1 founder, 15 on the team.

James McCollumFounder
  • Eef SchimmelpenninkPresident and Chief Executive Officer
  • Evert SchimmelpenninkPresident and Chief Executive Officer
  • Ahmad ChaudhriVice President, Commercial Operations
  • David ChoromanskiVice President, Marketing
  • Domenick PorfidiaVice President, Sales
  • Ethan MengleVice President of Medical Affairs
  • Jaime ElledgeVice President, AI Enablement & Strategy
  • Melody BurcarVice President, Finance
  • Dan ChevallardChief Financial Officer
  • Marc OdrichChief Medical Officer
  • Shawn OlssonChief Commercial Officer
  • Frederic GuerardBoard Member
  • Jeff GeorgeChair
  • Kimberlee C. DrapkinBoard Member
  • Shelley ThunenBoard Member

Everyone who backed them

RA Capital ManagementPrivate equity1round
FidelityVC firm1round
Perceptive AdvisorsAsset manager1round
Janus Henderson InvestorsPrivate equity1round
Cormorant Asset ManagementPrivate equity1round

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

Quick answers about Graphite Bio

Who invested in Graphite Bio?

Graphite Bio's investors include RA Capital Management, Fidelity, Perceptive Advisors, Janus Henderson Investors and Cormorant Asset Management.

How much has Graphite Bio raised?

Graphite Bio has raised $151M across 1 round since 2021.

When did Graphite Bio last raise?

Graphite Bio's most recent round was a Series B of $151M in Mar 2021.

What was Graphite Bio's biggest round?

Its most recent round, $151M in Mar 2021, is also its largest on record.

Who backed Graphite Bio first?

Graphite Bio's first round on record, in Mar 2021, was backed by RA Capital Management, Fidelity and Perceptive Advisors and 2 others.

What stage is Graphite Bio at?

Graphite Bio's latest named round is a Series B, in Mar 2021.

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