# Vaulted Deep funding: rounds and investors

> Vaulted Deep has raised $67M across 3 rounds since 2024. Investors include Lowercarbon Capital, Plug and Play and Collaborative Fund.

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

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

# Who invested in *Vaulted Deep*

3 rounds we have observed, with the 5 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 2 months ago

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Funding summary Updated 5 Nov 2026

**$67M** raised across 3 rounds since 2024, from 3 sources

**$32M** Round **$35M** Debt

- **Latest round:** Debt, $35M Sept 2026
- **Investors:** 5 (1 led)

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

**$32M** Round

**?** Venture

**$35M** Debt

- **First round:** Round, $32M
- **Biggest round:** $35M
- **Usual gap between rounds:** 13 months

## The rounds

- **Sept 2026** Debt **$35M** *4 returning* [Plug and Play](https://millionrounds.com/fund/plug-and-play) [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) [Rethink Impact](https://millionrounds.com/fund/rethink-impact) Source recorded
- **Dec 2025** Venture **Amount undisclosed** *3 new* *1 returning* [Plug and Play](https://millionrounds.com/fund/plug-and-play) [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) [Rethink Impact](https://millionrounds.com/fund/rethink-impact) Source recorded
- **Nov 2024** Round **$32M** *2 new* [Prelude Ventures](https://millionrounds.com/fund/prelude-ventures) Lead [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) Reported by TechStartups

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Round** 2024 **Venture** 2025 **Debt** 2026 [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) [Plug and Play](https://millionrounds.com/fund/plug-and-play) [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) [Rethink Impact](https://millionrounds.com/fund/rethink-impact) [Prelude Ventures](https://millionrounds.com/fund/prelude-ventures) L

## Everyone who backed them

[Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) VC firm **3** rounds

[Plug and Play](https://millionrounds.com/fund/plug-and-play) Accelerator **2** rounds

[Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) VC firm **2** rounds

[Rethink Impact](https://millionrounds.com/fund/rethink-impact) VC firm **2** rounds

[Prelude Ventures](https://millionrounds.com/fund/prelude-ventures) VC firm **1** round, led 1

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

## Also claim to have backed them

This firm lists Vaulted Deep 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.

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

## Quick answers about Vaulted Deep

### Who invested in Vaulted Deep?

Vaulted Deep's investors include Lowercarbon Capital, Plug and Play, Collaborative Fund, Rethink Impact and Prelude Ventures.

### How much has Vaulted Deep raised?

Vaulted Deep has raised $67M across 3 rounds since 2024. One round did not disclose an amount, so the total is a floor.

### When did Vaulted Deep last raise?

Vaulted Deep's most recent round was a Debt of $35M in Sept 2026.

### What was Vaulted Deep's biggest round?

Its most recent round, $35M in Sept 2026, is also its largest on record.

### Who backed Vaulted Deep first?

Vaulted Deep's first round on record, in Nov 2024, was backed by Prelude Ventures and Lowercarbon Capital.

### What stage is Vaulted Deep at?

Vaulted Deep's latest named round is a Debt, in Sept 2026.

### Where is Vaulted Deep based?

Vaulted Deep is based in the United States.

### Who led Vaulted Deep's rounds?

Prelude Ventures led the funding round in 2024.

## Companies like Vaulted Deep

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)[**ZwitterCo** $58M · Oct 2026](https://millionrounds.com/company/zwitterco)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)

## Find investors like these

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