United States · Series B startup

Who invested in Aeroseal

2 rounds we have observed, with the 2 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.

Cleantech

Raised 7 months ago

Funding summaryUpdated 26 Oct 2026

$87Mraised across 2 rounds since 2023, from 2 sources

$67MSeries B$20MSeries B
Latest round
Series B, $20MApr 2026
Biggest round
$67MSeries B · Jul 2023
Investors
2
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.

202420252026
$67MSeries B$20MSeries B
First round
Series B, $67M
Jul 2023
Biggest round
$67M
Series B · Jul 2023
Between rounds
2.8 years
from the last two

The rounds

  1. Apr 2026
    Series B$20M2 returning

    Source recorded

  2. Jul 2023
    Series B$67M2 new

    Source recorded

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.

Everyone who backed them

Breakthrough EnergyVC firm2rounds

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

Also claim to have backed them

These 2 firms list Aeroseal 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.

Climate InvestmentVC firmPer its own site
Baruch Future VenturesVC firmPer its own site

Quick answers about Aeroseal

Who invested in Aeroseal?

Aeroseal's investors include Breakthrough Energy and Energy Impact Partners.

How much has Aeroseal raised?

Aeroseal has raised $87M across 2 rounds since 2023.

When did Aeroseal last raise?

Aeroseal's most recent round was a Series B of $20M in Apr 2026.

What was Aeroseal's biggest round?

Aeroseal's largest round on record is $67M (Series B), in Jul 2023.

Who backed Aeroseal first?

Aeroseal's first round on record, in Jul 2023, was backed by Breakthrough Energy and Energy Impact Partners.

What stage is Aeroseal at?

Aeroseal's latest named round is a Series B, in Apr 2026.

Where is Aeroseal based?

Aeroseal is based in the United States.

Companies like Aeroseal

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

Find investors like these

Search every investor by what they have actually funded, then narrow to your stage and market. Free.