United States · Series B startup

Who invested in G1 Therapeutics, Inc.

2 rounds we have observed, with the 6 investors named in them. 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 26 Oct 2026

$46Mraised across 2 rounds since 2013, from 2 sources

$13MSeries A$33MSeries B
Latest round
Series B, $33MFeb 2015
Step-upi
2.6×
Investors
6
See who backed them

The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

20142015
$13MSeries A$33MSeries B
First round
Series A, $13M
Oct 2013
Biggest round
$33M
Series B · Feb 2015
Between rounds
16 months
from the last two

The rounds

  1. Feb 2015
    Series B$33M3 new3 returning

    From a historical funding recordSEC filing: $17M sold, first sale Feb 2015

  2. Oct 2013
    Series A$13M3 new

    Reported by finsmes.comSEC filing: $6.3M sold, first sale Oct 2013

Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

Everyone who backed them

MedImmune VenturesCorporate VC2rounds
RA Capital ManagementPrivate equity1round
Lumira VenturesVC firm1round
Eshelman VenturesVC firm1round

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

Quick answers about G1 Therapeutics, Inc.

Who invested in G1 Therapeutics, Inc.?

G1 Therapeutics, Inc.'s investors include Hatteras Venture Partners, Mountain Group Partners, MedImmune Ventures, RA Capital Management and Lumira Ventures, and 1 more on record.

How much has G1 Therapeutics, Inc. raised?

G1 Therapeutics, Inc. has raised $46M across 2 rounds since 2013.

When did G1 Therapeutics, Inc. last raise?

G1 Therapeutics, Inc.'s most recent round was a Series B of $33M in Feb 2015.

What was G1 Therapeutics, Inc.'s biggest round?

Its most recent round, $33M in Feb 2015, is also its largest on record.

Who backed G1 Therapeutics, Inc. first?

G1 Therapeutics, Inc.'s first round on record, in Oct 2013, was backed by Hatteras Venture Partners, Mountain Group Partners and MedImmune Ventures.

What stage is G1 Therapeutics, Inc. at?

G1 Therapeutics, Inc.'s latest named round is a Series B, in Feb 2015.

Where is G1 Therapeutics, Inc. based?

G1 Therapeutics, Inc. is based in the United States.

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