# Quoin Pharmaceuticals funding: rounds and investors

> Quoin Pharmaceuticals has raised $155M across 2 rounds since 2025. Every round with its source.

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

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

# Who invested in *Quoin Pharmaceuticals*

2 rounds we have observed, with the 0 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Biotech

Raised 2 months ago

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Funding summary Updated 15 Nov 2026

**$155M** raised across 2 rounds since 2025, from 2 sources

**$105M** Round **$50M** Round

- **Latest round:** Round, $50M Sept 2026
- **Biggest round:** $105M Round · Oct 2025
- **Investors:** 0

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2026

**$105M** Round

**$50M** Round

- **First round:** Round, $105M
- **Biggest round:** $105M
- **Between rounds:** 11 months

## The rounds

- **Sept 2026** Round **$50M** No investor was named in the report. Filed with the SEC (Form D); no report of this raise yet SEC filing: $50M sold, first sale Sept 2026
- **Oct 2025** Round **$105M** No investor was named in the report. Filed with the SEC (Form D); no report of this raise yet SEC filing: $105M sold, first sale Oct 2025

## Funding filed with regulators

Quoin Pharmaceuticals filed 5 raises, $158M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Sept 2026 **$50M** 33 investors SEC Form D
- Oct 2025 **$105M** 27 investors SEC Form D
- Aug 2022 **$194K** 1 investor equity SEC Form D
- Mar 2021 **$2.0M** 1 investor equity, debt, options, securities on exercise of $22M offered SEC Form D
- Oct 2020 **$710K** 3 investors equity, options of $3.0M offered SEC Form D

## Founders and team

From Quoin Pharmaceuticals's own website: 2 founders, 6 on the team.

**Dr. Michael Myers** Co-Founder, Chairman, Chief Executive Officer and Director

**Denise Carter** Co-Founder, Chief Operating Officer and Director

- **Professor Jemima Mellerio** A Message from the CEO
- **Sally Lawlor** Chief Financial Officer
- **James Culverwell** Director
- **Joseph Cooper** Director
- **Michael Sember** Director
- **Natalie Leong** Director

## Quick answers about Quoin Pharmaceuticals

### How much has Quoin Pharmaceuticals raised?

Quoin Pharmaceuticals has raised $155M across 2 rounds since 2025.

### When did Quoin Pharmaceuticals last raise?

Quoin Pharmaceuticals's most recent round, $50M, was in Sept 2026.

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

Quoin Pharmaceuticals's largest round on record is $105M, in Oct 2025.

### Where is Quoin Pharmaceuticals based?

Quoin Pharmaceuticals is based in the United States.

## Companies like Quoin Pharmaceuticals

In the same sector, and raised in the last eighteen months.

[**Neuvivo** $1.4M · Nov 2026](https://millionrounds.com/company/neuvivo)[**Mirendil** $1.4B · Nov 2026](https://millionrounds.com/company/mirendil)[**Nanopath** $25M · Nov 2026](https://millionrounds.com/company/nanopath)[**InSitu Biologics** $22M · Nov 2026](https://millionrounds.com/company/insitu-biologics)[**Frontier Bio** $1.7M · Nov 2026](https://millionrounds.com/company/frontier-bio)[**CARI Health** $3.1M · Nov 2026](https://millionrounds.com/company/cari-health)

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