# Larkspur Biosciences funding: rounds and investors

> Larkspur Biosciences has raised $36M across 1 round since 2023. Investors include Polaris Partners and 3E Bioventures. Every round with its source.

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

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

# Who invested in *Larkspur Biosciences*

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.

Biotech

Funding summary Updated 26 Oct 2026

**$36M** raised across 1 round since 2023, from 1 source

- **Latest round:** Series A, $36M May 2023
- **Investors:** 2

See who backed them

## The rounds

- **May 2023** Series A **$36M** [Polaris Partners](https://millionrounds.com/fund/polaris-partners) [3E Bioventures](https://millionrounds.com/fund/3e-bioventures) Source recorded

## Everyone who backed them

[Polaris Partners](https://millionrounds.com/fund/polaris-partners) VC firm **1** round

[3E Bioventures](https://millionrounds.com/fund/3e-bioventures) VC firm **1** round

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

## Quick answers about Larkspur Biosciences

### Who invested in Larkspur Biosciences?

Larkspur Biosciences's investors include Polaris Partners and 3E Bioventures.

### How much has Larkspur Biosciences raised?

Larkspur Biosciences has raised $36M across 1 round since 2023.

### When did Larkspur Biosciences last raise?

Larkspur Biosciences's most recent round was a Series A of $36M in May 2023.

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

Its most recent round, $36M in May 2023, is also its largest on record.

### Who backed Larkspur Biosciences first?

Larkspur Biosciences's first round on record, in May 2023, was backed by Polaris Partners and 3E Bioventures.

### What stage is Larkspur Biosciences at?

Larkspur Biosciences's latest named round is a Series A, in May 2023.

### Where is Larkspur Biosciences based?

Larkspur Biosciences is based in the United States.

## Companies like Larkspur 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)[**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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