# Appello Pharmaceuticals funding: rounds and investors

> Appello Pharmaceuticals has raised $14M across 1 round since 2022. Investors include Deerfield. Every round with its source.

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

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

# Who invested in *Appello Pharmaceuticals*

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

**$14M** raised across 1 round since 2022, from 1 source

- **Latest round:** Series B, $14M Jan 2022
- **Investors:** 1

See who backed them

## The rounds

- **Jan 2022** Series B **$14M** [Deerfield](https://millionrounds.com/fund/deerfield) Source recorded SEC filing: $14M sold, first sale Jan 2022

## Everyone who backed them

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

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

## Quick answers about Appello Pharmaceuticals

### Who invested in Appello Pharmaceuticals?

Appello Pharmaceuticals's investors include Deerfield.

### How much has Appello Pharmaceuticals raised?

Appello Pharmaceuticals has raised $14M across 1 round since 2022.

### When did Appello Pharmaceuticals last raise?

Appello Pharmaceuticals's most recent round was a Series B of $14M in Jan 2022.

### What was Appello Pharmaceuticals's biggest round?

Its most recent round, $14M in Jan 2022, is also its largest on record.

### Who backed Appello Pharmaceuticals first?

Appello Pharmaceuticals's first round on record, in Jan 2022, was backed by Deerfield.

### What stage is Appello Pharmaceuticals at?

Appello Pharmaceuticals's latest named round is a Series B, in Jan 2022.

### Where is Appello Pharmaceuticals based?

Appello Pharmaceuticals is based in the United States.

## Companies like Appello Pharmaceuticals

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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