# Leash Bio funding: rounds and investors

> Leash Bio has raised $9.3M across 1 round since 2024. Investors include Metaplanet. Every round with its source.

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

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

# Who invested in *Leash Bio*

One round we have observed, with the one investor 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

Funding summary Updated 26 Oct 2026

**$9.3M** raised across 1 round since 2024, from 2 sources

- **Latest round:** Seed, $9.3M Apr 2024
- **Investors:** 1

See who backed them

## The rounds

- **Apr 2024** Seed **$9.3M** [Metaplanet](https://millionrounds.com/fund/metaplanet) Source recorded and 1 other

## Founders and team

From Leash Bio's own website: 1 founder, 5 on the team.

**Andrew Blevins** CTO, Co-founder

- **Ben Miller** Head of Operations
- **Joseph Carpenter** Head of Chemistry
- **Mackenzie Roman** Research Associate
- **Max Kleinsasser** Research Engineer
- **Sean Francis-Lyon** Staff Software Engineer

## Everyone who backed them

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

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

## Also claim to have backed them

This firm lists Leash 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.

[Innovation Endeavors](https://millionrounds.com/fund/innovation-endeavors) VC firm Per its own site

## Quick answers about Leash Bio

### Who invested in Leash Bio?

Leash Bio's investors include Metaplanet.

### How much has Leash Bio raised?

Leash Bio has raised $9.3M across 1 round since 2024.

### When did Leash Bio last raise?

Leash Bio's most recent round was a Seed of $9.3M in Apr 2024.

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

Its most recent round, $9.3M in Apr 2024, is also its largest on record.

### Who backed Leash Bio first?

Leash Bio's first round on record, in Apr 2024, was backed by Metaplanet.

### What stage is Leash Bio at?

Leash Bio's latest named round is a Seed, in Apr 2024.

### Where is Leash Bio based?

Leash Bio is based in the United States.

## Companies like Leash 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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