# Polycarbin funding: rounds and investors

> Polycarbin has raised $4.2M across 1 round since 2023. Investors include Cleantech Open and Lighthouse Labs RVA. Every round with its source.

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

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

# Who invested in *Polycarbin*

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

**$4.2M** raised across 1 round since 2023, from 1 source

- **Latest round:** Seed, $4.2M Jul 2023
- **Investors:** 2

See who backed them

## The rounds

- **Jul 2023** Seed **$4.2M** [Cleantech Open](https://millionrounds.com/fund/cleantech-open) [Lighthouse Labs RVA](https://millionrounds.com/fund/lighthouse-labs-rva) Source recorded SEC filing: $4.2M sold, first sale Jun 2023

## Founders and team

From the SEC filings it signed: 2 on the team.

- **James O'Brien** Executive Officer, Director i
- **Noah Pyles** Executive Officer, Director i

On the board, as filed i *Brian Powers* *Satya Rangarajan*

## Everyone who backed them

[Cleantech Open](https://millionrounds.com/fund/cleantech-open) Accelerator **1** round

[Lighthouse Labs RVA](https://millionrounds.com/fund/lighthouse-labs-rva) Accelerator **1** round

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

## Also claim to have backed them

These 2 firms list Polycarbin as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[Volo Earth Ventures](https://millionrounds.com/fund/volo-earth-ventures) VC firm Per its own site

[Princeton Alumni Angels](https://millionrounds.com/fund/princeton-alumni-angels) Angel network Per its own site

## Quick answers about Polycarbin

### Who invested in Polycarbin?

Polycarbin's investors include Cleantech Open and Lighthouse Labs RVA.

### How much has Polycarbin raised?

Polycarbin has raised $4.2M across 1 round since 2023.

### When did Polycarbin last raise?

Polycarbin's most recent round was a Seed of $4.2M in Jul 2023.

### What was Polycarbin's biggest round?

Its most recent round, $4.2M in Jul 2023, is also its largest on record.

### Who backed Polycarbin first?

Polycarbin's first round on record, in Jul 2023, was backed by Cleantech Open and Lighthouse Labs RVA.

### What stage is Polycarbin at?

Polycarbin's latest named round is a Seed, in Jul 2023.

### Where is Polycarbin based?

Polycarbin is based in the United States.

## Companies like Polycarbin

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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