# Sojournix funding: rounds and investors

> Sojournix has raised $44M across 1 round since 2019. Investors include Venrock, RA Capital Management and Janus Henderson Investors.

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

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

# Who invested in *Sojournix*

One round we have observed, with the 6 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 Healthcare

Funding summary Updated 26 Oct 2026

**$44M** raised across 1 round since 2019, from 1 source

- **Latest round:** Series C, $44M Jan 2019
- **Investors:** 6

See who backed them

## The rounds

- **Jan 2019** Series C **$44M** [Venrock](https://millionrounds.com/fund/venrock) [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) [Frazier Healthcare Partners](https://millionrounds.com/fund/frazier-healthcare-partners) [Boxer Capital](https://millionrounds.com/fund/boxer-capital) [Venrock Healthcare Capital Partners](https://millionrounds.com/fund/venrock-healthcare-capital-partners) Reported by FinSMEs SEC filing: $44M sold, first sale Nov 2018

## Founders and team

From the SEC filings it signed: 1 on the team.

- **Daniel S. Grau** Executive Officer, Director i

On the board, as filed i *Aaron S. Davis* *Martin S. Freed* *Peter S. Kolchinsky* *Peter S. Lanciano* *Scott S. Rakestraw*

## Everyone who backed them

[Venrock](https://millionrounds.com/fund/venrock) VC firm **1** round

[RA Capital Management](https://millionrounds.com/fund/ra-capital-management) Private equity **1** round

[Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) Private equity **1** round

[Frazier Healthcare Partners](https://millionrounds.com/fund/frazier-healthcare-partners) Private equity **1** round

[Boxer Capital](https://millionrounds.com/fund/boxer-capital) VC firm **1** round

[Venrock Healthcare Capital Partners](https://millionrounds.com/fund/venrock-healthcare-capital-partners) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=sojournix).

## Quick answers about Sojournix

### Who invested in Sojournix?

Sojournix's investors include Venrock, RA Capital Management, Janus Henderson Investors, Frazier Healthcare Partners and Boxer Capital, and 1 more on record.

### How much has Sojournix raised?

Sojournix has raised $44M across 1 round since 2019.

### When did Sojournix last raise?

Sojournix's most recent round was a Series C of $44M in Jan 2019.

### What was Sojournix's biggest round?

Its most recent round, $44M in Jan 2019, is also its largest on record.

### Who backed Sojournix first?

Sojournix's first round on record, in Jan 2019, was backed by Venrock, RA Capital Management and Janus Henderson Investors and 3 others.

### What stage is Sojournix at?

Sojournix's latest named round is a Series C, in Jan 2019.

### Where is Sojournix based?

Sojournix is based in the United States.

## Companies like Sojournix

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)

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