# ZBiotics funding: rounds and investors

> ZBiotics has raised across 1 round since 2025. Investors include Y Combinator, FJ Labs and Social Capital. Every round with its source.

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

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

# Who invested in *ZBiotics*

One round we have observed, with the 3 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

Y Combinator: W18

Funding summary Updated 26 Oct 2026

**Undisclosed** raised across 1 round since 2025, from 1 source

- **Latest round:** Venture Mar 2025
- **Investors:** 3

See who backed them

## The rounds

- **Mar 2025** Venture **Amount undisclosed** [Y Combinator](https://millionrounds.com/fund/y-combinator) [FJ Labs](https://millionrounds.com/fund/fj-labs) [Social Capital](https://millionrounds.com/fund/social-capital) Source recorded

## Founders and team

From ZBiotics's own website and the SEC filings it signed: 1 founder, 18 on the team.

**Stephen Donald Lamb** COO, Co-founder *Named on its 2024 Form D*

- **Kat Townsend** Chief of Marketing
- **Louise Qi** Chief of Staff
- **Michael Mullaney** VP of Supply Chain
- **Alicia Tabug** Customer Care and Community Manager
- **Allie Hoerster** Brand Marketing Manager
- **Anna Lamb** Senior Manager, Growth Marketing and Innovation
- **Jaime Newsome** Ecommerce Customer Experience Manager
- **Katia Tamer** Director of Brand and Product Marketing
- **Laura Sawvell** Procurement Manager
- **Max Velasco Knott** Senior Retail Program Manager
- **Melissa Hines** Senior Director of People Operations
- **Michael Richardson** Creative Director
- **Nasreen Hosein** Growth Marketing Manager
- **Nicole Shahin** Senior Manager of Customer Experience
- **Savannah Hagenbaugh** Senior Director of Quality
- **Somya Mathur** Senior Data & Analytics Manager
- **Todd Jones** Senior Director of Omnichannel Strategy
- **Zachary Donald Abbott** Executive Officer, Director i

On the board, as filed i *Adam Donald Ramada*

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[FJ Labs](https://millionrounds.com/fund/fj-labs) VC firm **1** round

[Social Capital](https://millionrounds.com/fund/social-capital) VC firm **1** round

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

## Also claim to have backed them

These 10 firms list ZBiotics 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.

[Able Partners](https://millionrounds.com/fund/able-partners) VC firm Per its own site

[Innovation Global Capital](https://millionrounds.com/fund/innovation-global-capital) VC firm Per its own site

[Goat Rodeo Capital](https://millionrounds.com/fund/goat-rodeo-capital) VC firm Per its own site

[HyperGuap](https://millionrounds.com/fund/hyperguap) Angel network Per its own site

[Siddhi Capital](https://millionrounds.com/fund/siddhi-capital) Growth equity Per its own site

[Astō Consumer Partners](https://millionrounds.com/fund/asto-consumer-partners) Growth equity Per its own site

[Finches, LLC](https://millionrounds.com/fund/finches-llc) Incubator Per its own site

[Oak Ridge Ventures, LLC](https://millionrounds.com/fund/oak-ridge-ventures-llc) VC firm Per its own site

[Ocampo Capital](https://millionrounds.com/fund/ocampo-capital) VC firm Per its own site

[Pure Ventures](https://millionrounds.com/fund/pure-ventures) VC firm Per its own site

## Quick answers about ZBiotics

### Who invested in ZBiotics?

ZBiotics's investors include Y Combinator, FJ Labs and Social Capital.

### How much has ZBiotics raised?

ZBiotics has raised 1 round since 2025, none with a disclosed amount.

### When did ZBiotics last raise?

ZBiotics's most recent round was a Venture in Mar 2025.

### Who backed ZBiotics first?

ZBiotics's first round on record, in Mar 2025, was backed by Y Combinator, FJ Labs and Social Capital.

### What stage is ZBiotics at?

ZBiotics's latest named round is a Venture, in Mar 2025.

### Where is ZBiotics based?

ZBiotics is based in the United States.

## Companies like ZBiotics

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

[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Prolific Machines** $105M · Oct 2026](https://millionrounds.com/company/prolific-machines)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)

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