# Air Company funding: rounds and investors

> Air Company has raised $69M across 1 round since 2024. Investors include National Science Foundation, Alumni Ventures and Lowercarbon Capital.

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

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

# Who invested in *Air Company*

One round we have observed, with the 4 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.

Climate Tech

Funding summary Updated 26 Oct 2026

**$69M** raised across 1 round since 2024, from 1 source

- **Latest round:** Series B, $69M Sept 2024
- **Investors:** 4

See who backed them

## The rounds

- **Sept 2024** Series B **$69M** [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) [Toyota Ventures](https://millionrounds.com/fund/toyota-ventures) Source recorded

## Everyone who backed them

[National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **1** round

[Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round

[Lowercarbon Capital](https://millionrounds.com/fund/lowercarbon-capital) VC firm **1** round

[Toyota Ventures](https://millionrounds.com/fund/toyota-ventures) VC firm **1** round

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

## Also claim to have backed them

This firm lists Air Company 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.

[New Climate Ventures](https://millionrounds.com/fund/new-climate-ventures) VC firm Per its own site

## Quick answers about Air Company

### Who invested in Air Company?

Air Company's investors include National Science Foundation, Alumni Ventures, Lowercarbon Capital and Toyota Ventures.

### How much has Air Company raised?

Air Company has raised $69M across 1 round since 2024.

### When did Air Company last raise?

Air Company's most recent round was a Series B of $69M in Sept 2024.

### What was Air Company's biggest round?

Its most recent round, $69M in Sept 2024, is also its largest on record.

### Who backed Air Company first?

Air Company's first round on record, in Sept 2024, was backed by National Science Foundation, Alumni Ventures and Lowercarbon Capital and 1 others.

### What stage is Air Company at?

Air Company's latest named round is a Series B, in Sept 2024.

### Where is Air Company based?

Air Company is based in the United States.

## Companies like Air Company

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)[**ZwitterCo** $58M · Oct 2026](https://millionrounds.com/company/zwitterco)[**Pennsylvania American Water** $43M · Oct 2026](https://millionrounds.com/company/pennsylvania-american-water)[**Kodama** $7.0M · Oct 2026](https://millionrounds.com/company/kodama)[**Stand** $105M · Oct 2026](https://millionrounds.com/company/stand)

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