# Neutreeno funding: rounds and investors

> Neutreeno has raised $5.1M across 2 rounds since 2024. Every round with its source.

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

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

# Who invested in *Neutreeno*

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.

Climate Tech

Raised 9 months ago

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Funding summary Updated 31 Oct 2026

**$5.1M** raised across 2 rounds since 2024, from 2 sources

- **Latest round:** Venture Feb 2026
- **Biggest round:** $5.1M Seed · Sept 2024
- **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.

2025 2026

**$5.1M** Seed

**?** Venture

- **First round:** Seed, $5.1M
- **Biggest round:** $5.1M
- **Between rounds:** 17 months

## The rounds

- **Feb 2026** Venture **Amount undisclosed** No investor was named in the report. Source recorded
- **Sept 2024** Seed **$5.1M** No investor was named in the report. Shares issued, filed with Companies House (SH01); no report of this raise yet

## Funding filed with regulators

Neutreeno filed one raise, $5.1M in all. Filings say how much was sold and to how many investors; they never name the investors.

- Sept 2024 **$5.1M** UK share allotment

## Founders and team

From Neutreeno's own website: 1 founder, 10 on the team.

**Dr. Spencer Brennan** Founder and CEO

- **Michael O'Keeffe** Head of Software
- **Nicolaas Matthijs** Head of Product
- **Prof Jonathan Cullen** Head of Climate Science
- **Chemical Engineer** Multinational Scope 3 and SBTi Lead
- **Him Shun Yu** Carbon Data Engineer
- **Isabel Driscoll** Operations Specialist
- **Jobey Meacham** Operations and Finance Lead
- **Lee Wardrobe** Customer Success Lead
- **Morgan Polak** Senior Software Engineer
- **Tai Elimelech** Sales Lead

## Also claim to have backed them

These 3 firms list Neutreeno 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.

[Beacon Venture Capital](https://millionrounds.com/fund/beacon-venture-capital) Corporate VC Per its own site

[Prequel Ventures](https://millionrounds.com/fund/prequel-ventures) VC firm Per its own site

[regeneration.vc](https://millionrounds.com/fund/regeneration-vc) VC firm Per its own site

## Quick answers about Neutreeno

### How much has Neutreeno raised?

Neutreeno has raised $5.1M across 2 rounds since 2024. One round did not disclose an amount, so the total is a floor.

### When did Neutreeno last raise?

Neutreeno's most recent round was a Venture in Feb 2026.

### What was Neutreeno's biggest round?

Neutreeno's largest round on record is $5.1M (Seed), in Sept 2024.

### What stage is Neutreeno at?

Neutreeno's latest named round is a Venture, in Feb 2026.

### Where is Neutreeno based?

Neutreeno is based in the United States.

## Companies like Neutreeno

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

[**DMC Biotechnologies** $19M · Oct 2026](https://millionrounds.com/company/dmc-biotechnologies)[**Terradot** $92M · Oct 2026](https://millionrounds.com/company/terradot)[**Amogy** $125M · Oct 2026](https://millionrounds.com/company/amogy)[**LanzaJet** $67M · Oct 2026](https://millionrounds.com/company/lanzajet)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**ZwitterCo** $58M · Oct 2026](https://millionrounds.com/company/zwitterco)

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