Who invested in Alpha-9 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.

Biotech

Funding summaryUpdated 26 Oct 2026

$175Mraised across 1 round since 2024, from 1 source

Latest round: Series C, $175MOct 2024
Investors: 5

See who backed them

The rounds

Oct 2024
Series C$175M
Source recorded

Founders and team

From Alpha-9 Oncology's own website: 4 on the team.

Paul BlanchfieldChief Executive Officer
Clint MusilChief Financial Officer
Kerry RobertChief People Officer
Patrick HeronChairman

Everyone who backed them

Andreessen HorowitzVC firm1round

General CatalystVC firm1round

Lightspeed Venture PartnersVC firm1round

RA Capital ManagementPrivate equity1round

Janus Henderson InvestorsPrivate equity1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

This firm lists Alpha-9 Oncology 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.

Nextech InvestPrivate equityPer its own site

Quick answers about Alpha-9 Oncology

Who invested in Alpha-9 Oncology?

Alpha-9 Oncology's investors include Andreessen Horowitz, General Catalyst, Lightspeed Venture Partners, RA Capital Management and Janus Henderson Investors.

How much has Alpha-9 Oncology raised?

Alpha-9 Oncology has raised $175M across 1 round since 2024.

When did Alpha-9 Oncology last raise?

Alpha-9 Oncology's most recent round was a Series C of $175M in Oct 2024.

What was Alpha-9 Oncology's biggest round?

Its most recent round, $175M in Oct 2024, is also its largest on record.

Who backed Alpha-9 Oncology first?

Alpha-9 Oncology's first round on record, in Oct 2024, was backed by Andreessen Horowitz, General Catalyst and Lightspeed Venture Partners and 2 others.