# Bristle funding: rounds and investors

> Bristle has raised $3.0M across 1 round since 2022. Investors include Y Combinator and Initialized Capital. Every round with its source.

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

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

# Who invested in *Bristle*

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.

Healthcare

Y Combinator: W21

Funding summary Updated 26 Oct 2026

**$3.0M** raised across 1 round since 2022, from 1 source

- **Latest round:** Seed, $3.0M Jul 2022
- **Investors:** 2

See who backed them

## The rounds

- **Jul 2022** Seed **$3.0M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Initialized Capital](https://millionrounds.com/fund/initialized-capital) Source recorded

## Everyone who backed them

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

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

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

## Quick answers about Bristle

### Who invested in Bristle?

Bristle's investors include Y Combinator and Initialized Capital.

### How much has Bristle raised?

Bristle has raised $3.0M across 1 round since 2022.

### When did Bristle last raise?

Bristle's most recent round was a Seed of $3.0M in Jul 2022.

### What was Bristle's biggest round?

Its most recent round, $3.0M in Jul 2022, is also its largest on record.

### Who backed Bristle first?

Bristle's first round on record, in Jul 2022, was backed by Y Combinator and Initialized Capital.

### What stage is Bristle at?

Bristle's latest named round is a Seed, in Jul 2022.

### Where is Bristle based?

Bristle is based in the United States.

## Companies like Bristle

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)[**AI** $18M · Oct 2026](https://millionrounds.com/company/ai)[**Baba** $40M · Oct 2026](https://millionrounds.com/company/baba)[**Rejuvenate Bio** $13M · Oct 2026](https://millionrounds.com/company/rejuvenate-bio)[**Clinical Ink** $24M · Oct 2026](https://millionrounds.com/company/clinical-ink)

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