# Andson Biotech funding: rounds and investors

> Andson Biotech has raised $8.3M across 2 rounds since 2024. Investors include Y Combinator and Unpopular Ventures. Every round with its source.

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

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

# 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 summary Updated 26 Oct 2026

**$8.3M** raised across 2 rounds since 2024, from 2 sources

**$3.6M** Seed **$4.7M** Venture

- **Latest round:** Venture, $4.7M Oct 2025
- **Step-up i:** 1.3×
- **Investors:** 2

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

**$3.6M** Seed

**$4.7M** Venture

- **First round:** Seed, $3.6M
- **Biggest round:** $4.7M
- **Between rounds:** 19 months

## The rounds

- **Oct 2025** Venture **$4.7M** *2 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Unpopular Ventures](https://millionrounds.com/fund/unpopular-ventures) Source recorded SEC filing: $4.7M sold, first sale Oct 2025
- **Mar 2024** Seed **$3.6M** *2 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Unpopular Ventures](https://millionrounds.com/fund/unpopular-ventures) Source recorded SEC filing: $3.6M sold, first sale Mar 2024

## Founders and team

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

- **Jim Filippini** President & Chief Commercial Officer
- **Rob Grier** Vice President of Operations
- **Glenn Epstein** Board Member
- **Tom O’Brien** Executive 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.

**Seed** 2024 **Venture** 2025 [Y Combinator](https://millionrounds.com/fund/y-combinator) [Unpopular Ventures](https://millionrounds.com/fund/unpopular-ventures)

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **2** rounds

[Unpopular Ventures](https://millionrounds.com/fund/unpopular-ventures) VC firm **2** rounds

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

## 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 Fund](https://millionrounds.com/fund/merck-global-health-innovation-fund) Corporate VC Per its own site

[BioTools Innovator](https://millionrounds.com/fund/biotools-innovator) Accelerator Per its own site

[Phase Two Ventures](https://millionrounds.com/fund/phase-two-ventures) VC firm Per 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.

[**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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