# Arrakis Therapeutics funding: rounds and investors

> Arrakis Therapeutics has raised $113M across 2 rounds since 2017. Investors include Osage University Partners, Pfizer and Celgene. Every round with its source.

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

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

# 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.

Biotech Healthcare

Funding summary Updated 26 Oct 2026

**$113M** raised across 2 rounds since 2017, from 2 sources

**$38M** Series A **$75M** Series B

- **Latest round:** Series B, $75M Apr 2019
- **Led by:** venBio Partners and Nextech Invest
- **Step-up i:** 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.

2018 2019

**$38M** Series A

**$75M** Series B

- **First round:** Series A, $38M
- **Biggest round:** $75M
- **Between rounds:** 2.2 years

## The rounds

- **Apr 2019** Series B **$75M** *10 new* *4 returning* [venBio Partners](https://millionrounds.com/fund/venbio) Lead [Nextech Invest](https://millionrounds.com/fund/nextech-invest) Lead [Google Ventures](https://millionrounds.com/fund/gv) [Canaan](https://millionrounds.com/fund/canaan-partners) [Google](https://millionrounds.com/fund/google-assistant-investments) [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria) [Omega Funds](https://millionrounds.com/fund/omega-funds) [Osage University Partners](https://millionrounds.com/fund/osage-university-partners) [Pfizer](https://millionrounds.com/fund/pfizer) [Celgene](https://millionrounds.com/fund/celgene) [WuXi AppTec](https://millionrounds.com/fund/wuxi-apptec) [HBM Healthcare](https://millionrounds.com/fund/hbm-healthcare) [Henri Termeer](https://millionrounds.com/fund/henri-termeer) Advent Life Reported by FinSMEs SEC filing: $15M sold, first sale Apr 2019
- **Feb 2017** Series A **$38M** *5 new* [Osage University Partners](https://millionrounds.com/fund/osage-university-partners) [Pfizer](https://millionrounds.com/fund/pfizer) [Celgene](https://millionrounds.com/fund/celgene) [Henri Termeer](https://millionrounds.com/fund/henri-termeer) Canaan Partners/ Advent Life Sciences Reported by FinSMEs SEC 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 DeLong** Chief Executive Officer
- **Heather Lounsbury** Chief Operating Officer
- **Michael Gilman** Executive Officer, Director i

On the board, as filed i *Colleen Cuffaro* *Jakob Loven* *Nikola Trbovic* *Raj Parekh* *Richard 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.

**Series A** 2017 **Series B** 2019 [Osage University Partners](https://millionrounds.com/fund/osage-university-partners) [Pfizer](https://millionrounds.com/fund/pfizer) [Celgene](https://millionrounds.com/fund/celgene) [Henri Termeer](https://millionrounds.com/fund/henri-termeer) [venBio Partners](https://millionrounds.com/fund/venbio) L [Nextech Invest](https://millionrounds.com/fund/nextech-invest) L [Google Ventures](https://millionrounds.com/fund/gv) [Canaan](https://millionrounds.com/fund/canaan-partners) [Google](https://millionrounds.com/fund/google-assistant-investments) [Alexandria Real Estate Equities](https://millionrounds.com/fund/alexandria)

## Everyone who backed them

[Osage University Partners](https://millionrounds.com/fund/osage-university-partners) VC firm **2** rounds

[Pfizer](https://millionrounds.com/fund/pfizer) Corporate VC **2** rounds

[Celgene](https://millionrounds.com/fund/celgene) Growth equity **2** rounds

[Henri Termeer](https://millionrounds.com/fund/henri-termeer) Angel **2** rounds

[venBio Partners](https://millionrounds.com/fund/venbio) VC firm **1** round, led 1

[Nextech Invest](https://millionrounds.com/fund/nextech-invest) Private equity **1** round, led 1

[Google Ventures](https://millionrounds.com/fund/gv) Corporate VC **1** round

[Canaan](https://millionrounds.com/fund/canaan-partners) VC firm **1** round

[Google](https://millionrounds.com/fund/google-assistant-investments) Accelerator **1** round

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

[Omega Funds](https://millionrounds.com/fund/omega-funds) VC firm **1** round

[WuXi AppTec](https://millionrounds.com/fund/wuxi-apptec) Growth equity **1** round

[HBM Healthcare](https://millionrounds.com/fund/hbm-healthcare) Growth equity **1** round

Advent Life no record of our own yet **1** round

Canaan Partners/ Advent Life Sciences 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=arrakis-therapeutics).

## 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.

## Companies like Arrakis Therapeutics

In the same sector, and raised in the last eighteen months.

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