# Variant Bio funding: rounds and investors

> Variant Bio has raised $105M across 1 round since 2021. Investors include General Catalyst, Lux Capital and SoftBank. Every round with its source.

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

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

# Who invested in *Variant Bio*

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

Funding summary Updated 26 Oct 2026

**$105M** raised across 1 round since 2021, from 1 source

- **Latest round:** Series B, $105M Nov 2021
- **Investors:** 6

See who backed them

## The rounds

- **Nov 2021** Series B **$105M** [General Catalyst](https://millionrounds.com/fund/general-catalyst) [Lux Capital](https://millionrounds.com/fund/lux-capital) [SoftBank](https://millionrounds.com/fund/softbank-2) [SoftBank Vision Fund](https://millionrounds.com/fund/softbank-investment-advisers) [Alexandria Venture Investments](https://millionrounds.com/fund/alexandria-venture-investments) [Casdin Capital](https://millionrounds.com/fund/casdin-capital) Source recorded SEC filing: $95M sold, first sale Oct 2021

## Founders and team

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

- **Andrew Farnum** Chief Executive Officer
- **Holly Vance** Chief Operating Officer
- **Stephane Castel** Executive Officer, Director i

On the board, as filed i *Bob More* *Elena Viboch* *Josh Wolfe* *Julie Sunderland* *Stuart Nagae*

## Everyone who backed them

[General Catalyst](https://millionrounds.com/fund/general-catalyst) VC firm **1** round

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

[SoftBank](https://millionrounds.com/fund/softbank-2) Investment firm **1** round

[SoftBank Vision Fund](https://millionrounds.com/fund/softbank-investment-advisers) VC firm **1** round

[Alexandria Venture Investments](https://millionrounds.com/fund/alexandria-venture-investments) VC firm **1** round

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

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

## Also claim to have backed them

This firm lists Variant Bio as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

[Alta Partners](https://millionrounds.com/fund/alta-partners) VC firm Per its own site

## Quick answers about Variant Bio

### Who invested in Variant Bio?

Variant Bio's investors include General Catalyst, Lux Capital, SoftBank, SoftBank Vision Fund and Alexandria Venture Investments, and 1 more on record.

### How much has Variant Bio raised?

Variant Bio has raised $105M across 1 round since 2021.

### When did Variant Bio last raise?

Variant Bio's most recent round was a Series B of $105M in Nov 2021.

### What was Variant Bio's biggest round?

Its most recent round, $105M in Nov 2021, is also its largest on record.

### Who backed Variant Bio first?

Variant Bio's first round on record, in Nov 2021, was backed by General Catalyst, Lux Capital and SoftBank and 3 others.

### What stage is Variant Bio at?

Variant Bio's latest named round is a Series B, in Nov 2021.

### Where is Variant Bio based?

Variant Bio is based in the United States.

## Companies like Variant Bio

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)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)

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