# Drift Bio funding: rounds and investors

> Drift Bio has raised $500K across 1 round since 2023. Investors include Y Combinator, Plug and Play and Bossa Invest. Every round with its source.

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

United States · [Pre-seed startup](https://millionrounds.com/companies)

# Who invested in *Drift Bio*

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: W23

Funding summary Updated 26 Oct 2026

**$500K** raised across 1 round since 2023, from 1 source

- **Latest round:** Pre-seed, $500K Apr 2023
- **Investors:** 3

See who backed them

## The rounds

- **Apr 2023** Pre-seed **$500K** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Plug and Play](https://millionrounds.com/fund/plug-and-play) [Bossa Invest](https://millionrounds.com/fund/bossa-invest) Source recorded

## Everyone who backed them

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

[Plug and Play](https://millionrounds.com/fund/plug-and-play) Accelerator **1** round

[Bossa Invest](https://millionrounds.com/fund/bossa-invest) VC firm **1** round

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

## Also claim to have backed them

This firm lists Drift Bio as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

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

## Quick answers about Drift Bio

### Who invested in Drift Bio?

Drift Bio's investors include Y Combinator, Plug and Play and Bossa Invest.

### How much has Drift Bio raised?

Drift Bio has raised $500K across 1 round since 2023.

### When did Drift Bio last raise?

Drift Bio's most recent round was a Pre-seed of $500K in Apr 2023.

### What was Drift Bio's biggest round?

Its most recent round, $500K in Apr 2023, is also its largest on record.

### Who backed Drift Bio first?

Drift Bio's first round on record, in Apr 2023, was backed by Y Combinator, Plug and Play and Bossa Invest.

### What stage is Drift Bio at?

Drift Bio's latest named round is a Pre-seed, in Apr 2023.

### Where is Drift Bio based?

Drift Bio is based in the United States.

## Companies like Drift Bio

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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