# FLX Bio funding: rounds and investors

> FLX Bio has raised $60M across 1 round since 2017. Investors include Google Ventures, The Column Group and Celgene. Every round with its source.

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

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

# Who invested in *FLX Bio*

One round we have observed, with the 5 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

**$60M** raised across 1 round since 2017, from 1 source

- **Latest round:** Series C, $60M Dec 2017
- **Investors:** 5

See who backed them

## The rounds

- **Dec 2017** Series C **$60M** [Google Ventures](https://millionrounds.com/fund/gv) [The Column Group](https://millionrounds.com/fund/the-column-group) [Celgene](https://millionrounds.com/fund/celgene) KPCB Topspin Reported by Vcnewsdaily SEC filing: $30M sold, first sale Dec 2017

## Founders and team

From the SEC filings it signed: 2 on the team.

- **Brian Wong** Executive Officer, Director i
- **Rekha J. Hemrajani** Executive Officer i

On the board, as filed i *Beth Seidenberg* *David Goeddel* *Linda J. Kozick* *William J. Rieflin*

## Everyone who backed them

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

[The Column Group](https://millionrounds.com/fund/the-column-group) VC firm **1** round

[Celgene](https://millionrounds.com/fund/celgene) Growth equity **1** round

KPCB no record of our own yet **1** round

Topspin 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=flx-bio).

## Quick answers about FLX Bio

### Who invested in FLX Bio?

FLX Bio's investors include Google Ventures, The Column Group, Celgene, KPCB and Topspin.

### How much has FLX Bio raised?

FLX Bio has raised $60M across 1 round since 2017.

### When did FLX Bio last raise?

FLX Bio's most recent round was a Series C of $60M in Dec 2017.

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

Its most recent round, $60M in Dec 2017, is also its largest on record.

### Who backed FLX Bio first?

FLX Bio's first round on record, in Dec 2017, was backed by Google Ventures, The Column Group and Celgene and 2 others.

### What stage is FLX Bio at?

FLX Bio's latest named round is a Series C, in Dec 2017.

### Where is FLX Bio based?

FLX Bio is based in the United States.

## Companies like FLX 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)[**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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