# Cocoon Biotech funding: rounds and investors

> Cocoon Biotech has raised $2.2M across 2 rounds since 2015. Investors include MassChallenge. Every round with its source.

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

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

# Who invested in *Cocoon Biotech*

2 rounds we have observed, with the one investor 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

Funding summary Updated 26 Oct 2026

**$2.2M** raised across 2 rounds since 2015, from 2 sources

**$1.8M** Debt **$385K** Seed

- **Latest round:** Seed, $385K Dec 2021
- **Biggest round:** $1.8M Debt · Oct 2015
- **Investors:** 1

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.

2016 2017 2018 2019 2020 2021

**$1.8M** Debt

**$385K** Seed

- **First round:** Debt, $1.8M
- **Biggest round:** $1.8M
- **Between rounds:** 6.2 years

## The rounds

- **Dec 2021** Seed **$385K** *1 new* [MassChallenge](https://millionrounds.com/fund/masschallenge) Source recorded SEC filing: $385K sold, first sale Aug 2021
- **Oct 2015** Debt **$1.8M** No investor was named in the report. From a historical funding record SEC filing: $1.8M sold, first sale Oct 2015

## Founders and team

From Cocoon Biotech's own website and the SEC filings it signed: 1 founder, 5 on the team.

**Ailis Tweed-Kent** CEO & Founder, Board Member *Named on its 2021 Form D*

- **Peter Mitchell** Chief Scientific Officer
- **Scott Delisle** Senior Scientist
- **Annalisa Jenkins** Board Member
- **Charles Koppel** Board Member
- **Mary Thistle** Board Member

## Everyone who backed them

[MassChallenge](https://millionrounds.com/fund/masschallenge) Accelerator **1** round

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

## Quick answers about Cocoon Biotech

### Who invested in Cocoon Biotech?

Cocoon Biotech's investors include MassChallenge.

### How much has Cocoon Biotech raised?

Cocoon Biotech has raised $2.2M across 2 rounds since 2015.

### When did Cocoon Biotech last raise?

Cocoon Biotech's most recent round was a Seed of $385K in Dec 2021.

### What was Cocoon Biotech's biggest round?

Cocoon Biotech's largest round on record is $1.8M (Debt), in Oct 2015.

### Who backed Cocoon Biotech first?

Cocoon Biotech's first round on record, in Dec 2021, was backed by MassChallenge.

### What stage is Cocoon Biotech at?

Cocoon Biotech's latest named round is a Seed, in Dec 2021.

### Where is Cocoon Biotech based?

Cocoon Biotech is based in the United States.

## Companies like Cocoon Biotech

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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