# RayzeBio funding: rounds and investors

> RayzeBio has raised $160M across 1 round since 2022. Investors include Wellington Management, Perceptive Advisors and Cormorant Asset Management.

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

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

# Who invested in *RayzeBio*

One round we have observed, with the 7 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

**$160M** raised across 1 round since 2022, from 1 source

- **Latest round:** Series D, $160M Sept 2022
- **Investors:** 7

See who backed them

## The rounds

- **Sept 2022** Series D **$160M** [Wellington Management](https://millionrounds.com/fund/wellington-management) [Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) [Cormorant Asset Management](https://millionrounds.com/fund/cormorant-asset-management) [Vivo Capital](https://millionrounds.com/fund/vivo-capital) [TCG](https://millionrounds.com/fund/tcg) [Sands Capital Ventures](https://millionrounds.com/fund/sands-capital-ventures) [TCG Crossover](https://millionrounds.com/fund/tcg-crossover) Source recorded SEC filing: $168M sold, first sale Aug 2022

## Founders and team

From RayzeBio's own website and the SEC filings it signed: 7 on the team.

- **Eduardo Sarreta** Vice President, Finance and Business Development
- **Ben Hickey** President
- **Eric Bischoff** Chief of Product Development & Operations
- **Megan Lown** Head of Human Resources
- **Arvind Kush** Executive Officer i
- **Aubrey Haddach** Executive Officer i
- **Ken Song** Executive Officer, Director i

On the board, as filed i *Aaron Kantoff* *Aaron Royston* *Alex Rosen* *Angie You* *Jerel Davis* *Maha Katabi* *Mary Tagliaferri* *Yi Larson*

## Everyone who backed them

[Wellington Management](https://millionrounds.com/fund/wellington-management) VC firm **1** round

[Perceptive Advisors](https://millionrounds.com/fund/perceptive-advisors) Asset manager **1** round

[Cormorant Asset Management](https://millionrounds.com/fund/cormorant-asset-management) Private equity **1** round

[Vivo Capital](https://millionrounds.com/fund/vivo-capital) Private equity **1** round

[TCG](https://millionrounds.com/fund/tcg) Private equity **1** round

[Sands Capital Ventures](https://millionrounds.com/fund/sands-capital-ventures) Private equity **1** round

[TCG Crossover](https://millionrounds.com/fund/tcg-crossover) VC firm **1** round

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

## Quick answers about RayzeBio

### Who invested in RayzeBio?

RayzeBio's investors include Wellington Management, Perceptive Advisors, Cormorant Asset Management, Vivo Capital and TCG, and 2 more on record.

### How much has RayzeBio raised?

RayzeBio has raised $160M across 1 round since 2022.

### When did RayzeBio last raise?

RayzeBio's most recent round was a Series D of $160M in Sept 2022.

### What was RayzeBio's biggest round?

Its most recent round, $160M in Sept 2022, is also its largest on record.

### Who backed RayzeBio first?

RayzeBio's first round on record, in Sept 2022, was backed by Wellington Management, Perceptive Advisors and Cormorant Asset Management and 4 others.

### What stage is RayzeBio at?

RayzeBio's latest named round is a Series D, in Sept 2022.

### Where is RayzeBio based?

RayzeBio is based in the United States.

## Companies like RayzeBio

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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