United States · Series B startup

Who invested in Arrakis Therapeutics

2 rounds we have observed, with the 15 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.

BiotechHealthcare

Funding summaryUpdated 26 Oct 2026

$113Mraised across 2 rounds since 2017, from 2 sources

$38MSeries A$75MSeries B
Latest round
Series B, $75MApr 2019
Led by
venBio Partners and Nextech Invest
Step-upi
2×
Investors
15 (2 led)
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.

20182019
$38MSeries A$75MSeries B
First round
Series A, $38M
Feb 2017
Biggest round
$75M
Series B · Apr 2019
Between rounds
2.2 years
from the last two

The rounds

  1. Apr 2019
  2. Feb 2017
    Series A$38M5 new

    Reported by FinSMEsSEC filing: $13M sold, first sale Feb 2017

Founders and team

From Arrakis Therapeutics's own website and the SEC filings it signed: 3 on the team.

  • Mark DeLongChief Executive Officer
  • Heather LounsburyChief Operating Officer
  • Michael GilmanExecutive Officer, Directori

On the board, as filediColleen CuffaroJakob LovenNikola TrbovicRaj ParekhRichard Gaster

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

PfizerCorporate VC2rounds
CelgeneGrowth equity2rounds
Henri TermeerAngel2rounds
venBio PartnersVC firm1round, led 1
Nextech InvestPrivate equity1round, led 1
Google VenturesCorporate VC1round
CanaanVC firm1round
GoogleAccelerator1round
Omega FundsVC firm1round
WuXi AppTecGrowth equity1round
HBM HealthcareGrowth equity1round
Advent Lifeno record of our own yet1round
Canaan Partners/ Advent Life Sciencesno record of our own yet1round

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

Quick answers about Arrakis Therapeutics

Who invested in Arrakis Therapeutics?

Arrakis Therapeutics's investors include Osage University Partners, Pfizer, Celgene, Henri Termeer and venBio Partners, and 10 more on record. venBio Partners led its latest round.

How much has Arrakis Therapeutics raised?

Arrakis Therapeutics has raised $113M across 2 rounds since 2017.

When did Arrakis Therapeutics last raise?

Arrakis Therapeutics's most recent round was a Series B of $75M in Apr 2019, led by venBio Partners.

What was Arrakis Therapeutics's biggest round?

Its most recent round, $75M in Apr 2019, is also its largest on record.

Who backed Arrakis Therapeutics first?

Arrakis Therapeutics's first round on record, in Feb 2017, was backed by Osage University Partners, Pfizer and Celgene and 2 others.

What stage is Arrakis Therapeutics at?

Arrakis Therapeutics's latest named round is a Series B, in Apr 2019.

Where is Arrakis Therapeutics based?

Arrakis Therapeutics is based in the United States.

Who led Arrakis Therapeutics's rounds?

venBio Partners led the Series B in 2019.

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