United States · Funded startup

Who invested in A2 Biotherapeutics

2 rounds we have observed, with the 5 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.

BiotechHealthcare

Funding summaryUpdated 26 Oct 2026

$57Mraised across 2 rounds since 2019, from 2 sources

$57MSeries A$300KGrant
Latest round
Grant, $300KMay 2025
Biggest round
$57MSeries A · Nov 2019
Investors
5
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.

202020212022202320242025
$57MSeries A$300KGrant
First round
Series A, $57M
Nov 2019
Biggest round
$57M
Series A · Nov 2019
Between rounds
5.5 years
from the last two

The rounds

  1. May 2025
    Grant$300K1 new1 returning

    Source recorded

  2. Nov 2019

Founders and team

From A2 Biotherapeutics's own website: 4 on the team.

  • James RobinsonPresident & Chief Executive Officer
  • Thomas LeungChief Financial Officer
  • Vikram JoshiChief Business Officer
  • Ryan CardGeneral Counsel

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.

Everyone who backed them

Samsara BioCapitalVC firm2rounds
Casdin CapitalVC firm1round
The Column GroupVC firm1round
Nextech InvestPrivate equity1round
Vida VenturesVC firm1round

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

Quick answers about A2 Biotherapeutics

Who invested in A2 Biotherapeutics?

A2 Biotherapeutics's investors include Samsara BioCapital, Casdin Capital, The Column Group, Nextech Invest and Vida Ventures.

How much has A2 Biotherapeutics raised?

A2 Biotherapeutics has raised $57M across 2 rounds since 2019.

When did A2 Biotherapeutics last raise?

A2 Biotherapeutics's most recent round was a Grant of $300K in May 2025.

What was A2 Biotherapeutics's biggest round?

A2 Biotherapeutics's largest round on record is $57M (Series A), in Nov 2019.

Who backed A2 Biotherapeutics first?

A2 Biotherapeutics's first round on record, in Nov 2019, was backed by Samsara BioCapital, The Column Group and Nextech Invest and 1 others.

What stage is A2 Biotherapeutics at?

A2 Biotherapeutics's latest named round is a Grant, in May 2025.

Where is A2 Biotherapeutics based?

A2 Biotherapeutics is based in the United States.

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