# Limelight Bio funding: rounds and investors

> Limelight Bio has raised $75M across 1 round since 2019. Investors include Apple Tree Partners. Every round with its source.

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

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

# Who invested in *Limelight 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 Healthcare

Funding summary Updated 26 Oct 2026

**$75M** raised across 1 round since 2019, from 1 source

- **Latest round:** Round, $75M Dec 2019
- **Investors:** 1

See who backed them

## The rounds

- **Dec 2019** Round **$75M** [Apple Tree Partners](https://millionrounds.com/fund/apple-tree-partners) Reported by FinSMEs SEC filing: $14M sold, first sale Mar 2016

## Everyone who backed them

[Apple Tree Partners](https://millionrounds.com/fund/apple-tree-partners) VC firm **1** round

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

## Quick answers about Limelight Bio

### Who invested in Limelight Bio?

Limelight Bio's investors include Apple Tree Partners.

### How much has Limelight Bio raised?

Limelight Bio has raised $75M across 1 round since 2019.

### When did Limelight Bio last raise?

Limelight Bio's most recent round was an Undisclosed round of $75M in Dec 2019.

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

Its most recent round, $75M in Dec 2019, is also its largest on record.

### Who backed Limelight Bio first?

Limelight Bio's first round on record, in Dec 2019, was backed by Apple Tree Partners.

### What stage is Limelight Bio at?

Limelight Bio's latest named round is an Undisclosed round, in Dec 2019.

### Where is Limelight Bio based?

Limelight Bio is based in the United States.

## Companies like Limelight 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)[**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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