# ALX Oncology funding: rounds and investors

> ALX Oncology has raised $10M across 1 round since 2026. Investors include RA Capital Management, Janus Henderson Investors and Vivo Capital.

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

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

# Who invested in *ALX Oncology*

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.

Pharma

Raised 5 months ago

Funding summary Updated 26 Oct 2026

**$10M** raised across 1 round since 2026, from 1 source

- **Latest round:** Debt, $10M Jun 2026
- **Investors:** 5

See who backed them

## The rounds

- **Jun 2026** Debt **$10M** [RA Capital Management](https://millionrounds.com/fund/ra-capital-management) [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) [Vivo Capital](https://millionrounds.com/fund/vivo-capital) [Redmile Group](https://millionrounds.com/fund/redmile-group) [Foresite Capital](https://millionrounds.com/fund/forsite-capital) Source recorded

## Founders and team

From ALX Oncology's own website: 2 on the team.

- **Jason Lettmann** Chief Executive Officer
- **Michael Listgarten** General Counsel

## Everyone who backed them

[RA Capital Management](https://millionrounds.com/fund/ra-capital-management) Private equity **1** round

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

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

[Redmile Group](https://millionrounds.com/fund/redmile-group) VC firm **1** round

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

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

## Also claim to have backed them

These 3 firms list ALX Oncology as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Lightstone Ventures](https://millionrounds.com/fund/lightstone-ventures) VC firm Per its own site

[The Longevity Fund](https://millionrounds.com/fund/the-longevity-fund) VC firm Per its own site

[Age1](https://millionrounds.com/fund/age1) VC firm Per its own site

## Quick answers about ALX Oncology

### Who invested in ALX Oncology?

ALX Oncology's investors include RA Capital Management, Janus Henderson Investors, Vivo Capital, Redmile Group and Foresite Capital.

### How much has ALX Oncology raised?

ALX Oncology has raised $10M across 1 round since 2026.

### When did ALX Oncology last raise?

ALX Oncology's most recent round was a Debt of $10M in Jun 2026.

### What was ALX Oncology's biggest round?

Its most recent round, $10M in Jun 2026, is also its largest on record.

### Who backed ALX Oncology first?

ALX Oncology's first round on record, in Jun 2026, was backed by RA Capital Management, Janus Henderson Investors and Vivo Capital and 2 others.

### What stage is ALX Oncology at?

ALX Oncology's latest named round is a Debt, in Jun 2026.

### Where is ALX Oncology based?

ALX Oncology is based in the United States.

## Companies like ALX Oncology

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

[**Matchpoint Therapeutics** $220M · Oct 2026](https://millionrounds.com/company/matchpoint-therapeutics)[**Rx Bandz** Oct 2026](https://millionrounds.com/company/rx-bandz)[**Hera Biotech** $1.8M · Sept 2026](https://millionrounds.com/company/hera-biotech)[**GevRx Nutraceuticals** $300K · Sept 2026](https://millionrounds.com/company/gevrx-nutraceuticals)[**RegCell** $81M · Sept 2026](https://millionrounds.com/company/regcell)[**ClearSight Therapeutics** $307K · Sept 2026](https://millionrounds.com/company/clearsight-therapeutics)

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