# Culture Biosciences funding: rounds and investors

> Culture Biosciences has raised $5.5M across 2 rounds since 2019. Investors include Y Combinator, SV Angel and BoxGroup. Every round with its source.

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

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

# Who invested in *Culture Biosciences*

2 rounds we have observed, with the 6 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.

Biotech Healthcare

Raised 11 months ago Y Combinator: W18

Funding summary Updated 26 Oct 2026

**$5.5M** raised across 2 rounds since 2019, from 2 sources

- **Latest round:** Venture Dec 2025
- **Biggest round:** $5.5M Round · Feb 2019
- **Investors:** 6

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.

2019 2020 2021 2022 2023 2024 2025

**$5.5M** Round

**?** Venture

- **First round:** Round, $5.5M
- **Biggest round:** $5.5M
- **Between rounds:** 6.8 years

## The rounds

- **Dec 2025** Venture **Amount undisclosed** *4 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) [SV Angel](https://millionrounds.com/fund/sv-angel) [BoxGroup](https://millionrounds.com/fund/boxgroup) [Craft Ventures](https://millionrounds.com/fund/craft-ventures) Source recorded
- **Feb 2019** Round **$5.5M** *2 new* [Verily](https://millionrounds.com/fund/verily) Section 32/ Refactor Reported by FinSMEs

## Founders and team

From Culture Biosciences's own website and the SEC filings it signed: 6 on the team.

- **William Graham Patrick** Chief Executive Officer i
- **Lauren Kellogg** Vice President of Strategy & Corporate Development
- **Scott Greenstone** Senior Vice President, Finance
- **Chris Williams** CEO, Culture Biosciences
- **Matthew Adams Ball** Chief Technology Officer i
- **Randy Roushall** Senior Director Engineering

## 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.

**Round** 2019 **Venture** 2025 [Y Combinator](https://millionrounds.com/fund/y-combinator) [SV Angel](https://millionrounds.com/fund/sv-angel) [BoxGroup](https://millionrounds.com/fund/boxgroup) [Craft Ventures](https://millionrounds.com/fund/craft-ventures) [Verily](https://millionrounds.com/fund/verily) Section 32/ Refactor

## Everyone who backed them

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

[SV Angel](https://millionrounds.com/fund/sv-angel) VC firm **1** round

[BoxGroup](https://millionrounds.com/fund/boxgroup) VC firm **1** round

[Craft Ventures](https://millionrounds.com/fund/craft-ventures) VC firm **1** round

[Verily](https://millionrounds.com/fund/verily) Corporate VC **1** round

Section 32/ Refactor no record of our own yet **1** round

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

## Also claim to have backed them

These 4 firms list Culture Biosciences 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.

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

[Compound](https://millionrounds.com/fund/compound-4) VC firm Per its own site

[The E14 Fund](https://millionrounds.com/fund/e14-fund) VC firm Per its own site

[Team Builder Ventures](https://millionrounds.com/fund/team-builder-ventures) VC firm Per its own site

## Quick answers about Culture Biosciences

### Who invested in Culture Biosciences?

Culture Biosciences's investors include Y Combinator, SV Angel, BoxGroup, Craft Ventures and Verily, and 1 more on record.

### How much has Culture Biosciences raised?

Culture Biosciences has raised $5.5M across 2 rounds since 2019. One round did not disclose an amount, so the total is a floor.

### When did Culture Biosciences last raise?

Culture Biosciences's most recent round was a Venture in Dec 2025.

### What was Culture Biosciences's biggest round?

Culture Biosciences's largest round on record is $5.5M (Undisclosed round), in Feb 2019.

### Who backed Culture Biosciences first?

Culture Biosciences's first round on record, in Feb 2019, was backed by Verily and Section 32/ Refactor.

### What stage is Culture Biosciences at?

Culture Biosciences's latest named round is a Venture, in Dec 2025.

### Where is Culture Biosciences based?

Culture Biosciences is based in the United States.

## Companies like Culture Biosciences

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)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**IMIO** $19M · Oct 2026](https://millionrounds.com/company/imio)

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