Series A startup

Who invested in Apton Biosystems

One round we have observed, with the 2 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

$25Mraised across 1 round since 2021, from 1 source

Latest round
Series A, $25MApr 2021
Investors
2
See who backed them

The rounds

  1. Apr 2021
    Series A$25M

    Source recordedSEC filing: $25M sold, first sale Apr 2021

Founders and team

From Apton Biosystems's own website: 3 on the team.

  • Mark Van OenePresident & Chief Executive Officer
  • Jim GibsonChief Financial Officer
  • Natalie WelchChief People Officer

Everyone who backed them

Khosla VenturesVC firm1round
Casdin CapitalVC firm1round

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

Quick answers about Apton Biosystems

Who invested in Apton Biosystems?

Apton Biosystems's investors include Khosla Ventures and Casdin Capital.

How much has Apton Biosystems raised?

Apton Biosystems has raised $25M across 1 round since 2021.

When did Apton Biosystems last raise?

Apton Biosystems's most recent round was a Series A of $25M in Apr 2021.

What was Apton Biosystems's biggest round?

Its most recent round, $25M in Apr 2021, is also its largest on record.

Who backed Apton Biosystems first?

Apton Biosystems's first round on record, in Apr 2021, was backed by Khosla Ventures and Casdin Capital.

What stage is Apton Biosystems at?

Apton Biosystems's latest named round is a Series A, in Apr 2021.

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