# Brii Biosciences funding: rounds and investors

> Brii Biosciences has raised $155M across 1 round since 2021. Investors include HSG and ARCH Venture Partners. Every round with its source.

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

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

# Who invested in *Brii Biosciences*

One round we have observed, with the 2 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 summary Updated 26 Oct 2026

**$155M** raised across 1 round since 2021, from 1 source

- **Latest round:** Series C, $155M Mar 2021
- **Investors:** 2

See who backed them

## The rounds

- **Mar 2021** Series C **$155M** [HSG](https://millionrounds.com/fund/hsg) [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) Source recorded

## Everyone who backed them

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

[ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) VC firm **1** round

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

## Quick answers about Brii Biosciences

### Who invested in Brii Biosciences?

Brii Biosciences's investors include HSG and ARCH Venture Partners.

### How much has Brii Biosciences raised?

Brii Biosciences has raised $155M across 1 round since 2021.

### When did Brii Biosciences last raise?

Brii Biosciences's most recent round was a Series C of $155M in Mar 2021.

### What was Brii Biosciences's biggest round?

Its most recent round, $155M in Mar 2021, is also its largest on record.

### Who backed Brii Biosciences first?

Brii Biosciences's first round on record, in Mar 2021, was backed by HSG and ARCH Venture Partners.

### What stage is Brii Biosciences at?

Brii Biosciences's latest named round is a Series C, in Mar 2021.

## Companies like Brii Biosciences

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

[**Cloverleaf Bio** $33M · Sept 2026](https://millionrounds.com/company/cloverleaf-bio)[**Cheiron** $8.0M · Jul 2026](https://millionrounds.com/company/cheiron)[**Tavo Biotherapeutics** $17M · Jun 2026](https://millionrounds.com/company/tavo-biotherapeutics)[**Countable Labs** $26M · May 2026](https://millionrounds.com/company/countable-labs)[**Oricell Therapeutics** $180M · Apr 2026](https://millionrounds.com/company/oricell-therapeutics)[**Immunofoco** $29M · Mar 2026](https://millionrounds.com/company/immunofoco)

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