United States · Venture startup

Who invested in Climate Vault

One round we have observed, with the one investor 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.

Climate Tech

Funding summaryUpdated 26 Oct 2026

$9.4Mraised across 1 round since 2023, from 1 source

Latest round
Venture, $9.4MMay 2023
Investors
1
See who backed them

The rounds

  1. May 2023
    Venture$9.4M

    Source recordedSEC filing: $7.3M sold, first sale Mar 2023

Founders and team

From Climate Vault's own website: 1 founder, 3 on the team.

Michael GreenstoneCo-founder
  • Chris NeufeldCEO
  • Brynn EsterlyHead of Climate Solutions Portfolio
  • Donald AdduHead of Climate Partnerships

Everyone who backed them

Valor Siren VenturesCorporate VC1round

Missing a round, or an investor who was in one? Tell us.

Also claim to have backed them

This firm lists Climate Vault as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.

Thirdstream PartnersVC firmPer its own site

Quick answers about Climate Vault

Who invested in Climate Vault?

Climate Vault's investors include Valor Siren Ventures.

How much has Climate Vault raised?

Climate Vault has raised $9.4M across 1 round since 2023.

When did Climate Vault last raise?

Climate Vault's most recent round was a Venture of $9.4M in May 2023.

What was Climate Vault's biggest round?

Its most recent round, $9.4M in May 2023, is also its largest on record.

Who backed Climate Vault first?

Climate Vault's first round on record, in May 2023, was backed by Valor Siren Ventures.

What stage is Climate Vault at?

Climate Vault's latest named round is a Venture, in May 2023.

Where is Climate Vault based?

Climate Vault is based in the United States.

Companies like Climate Vault

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

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