# CycloPure funding: rounds and investors

> CycloPure has raised $4.0M across 2 rounds since 2019. Investors include National Science Foundation. Every round with its source.

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

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

# Who invested in *CycloPure*

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 Cleantech

Raised 7 months ago

Funding summary Updated 26 Oct 2026

**$4.0M** raised across 2 rounds since 2019, from 2 sources

- **Latest round:** Venture Apr 2026
- **Biggest round:** $4.0M Series B · Nov 2019
- **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.

2020 2021 2022 2023 2024 2025 2026

**$4.0M** Series B

**?** Venture

- **First round:** Series B, $4.0M
- **Biggest round:** $4.0M
- **Between rounds:** 6.4 years

## The rounds

- **Apr 2026** Venture **Amount undisclosed** *1 returning* [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Source recorded
- **Nov 2019** Series B **$4.0M** *1 new* [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Reported by FinSMEs

## Everyone who backed them

[National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **2** rounds

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

## Quick answers about CycloPure

### Who invested in CycloPure?

CycloPure's investors include National Science Foundation.

### How much has CycloPure raised?

CycloPure has raised $4.0M across 2 rounds since 2019. One round did not disclose an amount, so the total is a floor.

### When did CycloPure last raise?

CycloPure's most recent round was a Venture in Apr 2026.

### What was CycloPure's biggest round?

CycloPure's largest round on record is $4.0M (Series B), in Nov 2019.

### Who backed CycloPure first?

CycloPure's first round on record, in Nov 2019, was backed by National Science Foundation.

### What stage is CycloPure at?

CycloPure's latest named round is a Venture, in Apr 2026.

### Where is CycloPure based?

CycloPure is based in the United States.

## Companies like CycloPure

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

[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pivot Energy** $500M · Oct 2026](https://millionrounds.com/company/pivot-energy)[**Star Therapeutics** $325M · Oct 2026](https://millionrounds.com/company/star-therapeutics)[**Promaxo** $106M · Oct 2026](https://millionrounds.com/company/promaxo)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)

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