# Ray Therapeutics funding: rounds and investors

> Ray Therapeutics has raised $133M across 2 rounds since 2025. Investors include Norwest Venture Partners, Novo Holdings and Deerfield.

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

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

# Who invested in *Ray Therapeutics*

2 rounds we have observed, with the 11 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Biotech Genomics

Raised 6 months ago

Funding summary Updated 26 Oct 2026

**$133M** raised across 2 rounds since 2025, from 2 sources

**$8.0M** Grant **$125M** Series B

- **Latest round:** Series B, $125M Apr 2026
- **Led by:** Janus Henderson Investors
- **Step-up i:** 15.6×
- **Investors:** 11 (1 led)

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026

**$8.0M** Grant

**$125M** Series B

- **First round:** Grant, $8.0M
- **Biggest round:** $125M
- **Between rounds:** 13 months

## The rounds

- **Apr 2026** Series B **$125M** *8 new* *3 returning* [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) Lead [Norwest Venture Partners](https://millionrounds.com/fund/norwest) [Novo Holdings](https://millionrounds.com/fund/novo-ventures) [Deerfield](https://millionrounds.com/fund/deerfield) [Franklin Templeton](https://millionrounds.com/fund/franklin-templeton) [Invus](https://millionrounds.com/fund/invus) [Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) [Platanus](https://millionrounds.com/fund/platanus-ventures) [4BIO Capital](https://millionrounds.com/fund/4bio-capital) [Marshall Wace](https://millionrounds.com/fund/marshall-wace) [MRL Ventures Fund](https://millionrounds.com/fund/mrl-ventures-fund) Reported by 4BIO Capital
- **Apr 2025** Grant **$8.0M** *3 new* [Norwest Venture Partners](https://millionrounds.com/fund/norwest) [Novo Holdings](https://millionrounds.com/fund/novo-ventures) [Deerfield](https://millionrounds.com/fund/deerfield) Source recorded

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Grant** 2025 **Series B** 2026 [Norwest Venture Partners](https://millionrounds.com/fund/norwest) [Novo Holdings](https://millionrounds.com/fund/novo-ventures) [Deerfield](https://millionrounds.com/fund/deerfield) [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) L [Franklin Templeton](https://millionrounds.com/fund/franklin-templeton) [Invus](https://millionrounds.com/fund/invus) [Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) [Platanus](https://millionrounds.com/fund/platanus-ventures) [4BIO Capital](https://millionrounds.com/fund/4bio-capital) [Marshall Wace](https://millionrounds.com/fund/marshall-wace)

## Everyone who backed them

[Norwest Venture Partners](https://millionrounds.com/fund/norwest) VC firm **2** rounds

[Novo Holdings](https://millionrounds.com/fund/novo-ventures) VC firm **2** rounds

[Deerfield](https://millionrounds.com/fund/deerfield) VC firm **2** rounds

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

[Franklin Templeton](https://millionrounds.com/fund/franklin-templeton) Private equity **1** round

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

[Adage Capital Management](https://millionrounds.com/fund/adage-capital-management) Asset manager **1** round

[Platanus](https://millionrounds.com/fund/platanus-ventures) Accelerator **1** round

[4BIO Capital](https://millionrounds.com/fund/4bio-capital) VC firm **1** round

[Marshall Wace](https://millionrounds.com/fund/marshall-wace) Hedge fund **1** round

[MRL Ventures Fund](https://millionrounds.com/fund/mrl-ventures-fund) Corporate VC **1** round

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

## Quick answers about Ray Therapeutics

### Who invested in Ray Therapeutics?

Ray Therapeutics's investors include Norwest Venture Partners, Novo Holdings, Deerfield, Janus Henderson Investors and Franklin Templeton, and 6 more on record. Janus Henderson Investors led its latest round.

### How much has Ray Therapeutics raised?

Ray Therapeutics has raised $133M across 2 rounds since 2025.

### When did Ray Therapeutics last raise?

Ray Therapeutics's most recent round was a Series B of $125M in Apr 2026, led by Janus Henderson Investors.

### What was Ray Therapeutics's biggest round?

Its most recent round, $125M in Apr 2026, is also its largest on record.

### Who backed Ray Therapeutics first?

Ray Therapeutics's first round on record, in Apr 2025, was backed by Norwest Venture Partners, Novo Holdings and Deerfield.

### What stage is Ray Therapeutics at?

Ray Therapeutics's latest named round is a Series B, in Apr 2026.

### Where is Ray Therapeutics based?

Ray Therapeutics is based in the United States.

### Who led Ray Therapeutics's rounds?

Janus Henderson Investors led the Series B in 2026.

## Companies like Ray Therapeutics

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

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)

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