United States · Venture startup

Who invested in Andson Biotech

2 rounds we have observed, with the 2 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.

Pharma

Y Combinator: W22

Funding summaryUpdated 26 Oct 2026

$8.3Mraised across 2 rounds since 2024, from 2 sources

$3.6MSeed$4.7MVenture
Latest round
Venture, $4.7MOct 2025
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Investors
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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.

2025
$3.6MSeed$4.7MVenture
First round
Seed, $3.6M
Mar 2024
Biggest round
$4.7M
Venture · Oct 2025
Between rounds
19 months
from the last two

The rounds

  1. Oct 2025
    Venture$4.7M2 returning

    Source recordedSEC filing: $4.7M sold, first sale Oct 2025

  2. Mar 2024
    Seed$3.6M2 new

    Source recordedSEC filing: $3.6M sold, first sale Mar 2024

Founders and team

From Andson Biotech's own website: 4 on the team.

  • Jim FilippiniPresident & Chief Commercial Officer
  • Rob GrierVice President of Operations
  • Glenn EpsteinBoard Member
  • Tom O’BrienExecutive Chairman

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

Y CombinatorAccelerator2rounds
Unpopular VenturesVC firm2rounds

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

Also claim to have backed them

These 3 firms list Andson Biotech 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.

Merck Global Health Innovation FundCorporate VCPer its own site
BioTools InnovatorAcceleratorPer its own site
Phase Two VenturesVC firmPer its own site

Quick answers about Andson Biotech

Who invested in Andson Biotech?

Andson Biotech's investors include Y Combinator and Unpopular Ventures.

How much has Andson Biotech raised?

Andson Biotech has raised $8.3M across 2 rounds since 2024.

When did Andson Biotech last raise?

Andson Biotech's most recent round was a Venture of $4.7M in Oct 2025.

What was Andson Biotech's biggest round?

Its most recent round, $4.7M in Oct 2025, is also its largest on record.

Who backed Andson Biotech first?

Andson Biotech's first round on record, in Mar 2024, was backed by Y Combinator and Unpopular Ventures.

What stage is Andson Biotech at?

Andson Biotech's latest named round is a Venture, in Oct 2025.

Where is Andson Biotech based?

Andson Biotech is based in the United States.

Companies like Andson Biotech

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

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