Heirloom

Brisbane, CA · Founded 2020 · Privately Held (backing)

Developer of a carbon capture and utilization technology designed to enhance the natural process of carbon dioxide absorption from the atmosphere. Heirloom is based in Brisbane, CA and was founded in 2020. Its last reported valuation was $253 million in Jan 2022. It has raised $57.6 million.

Last reported valuation
$253.0M
Oct 2026
Priced at
—
Total raised
$57.6M
Last round
—

Who backs Heirloom?

48 investors
InvestorType
Plug and Play Tech Center—
US National Science FoundationOther
Impact AssetsOther
U.S. Department of EnergyOther
Breakthrough EnergyOther
Lowercarbon CapitalVenture capital
Breyer CapitalVenture capital
HawktailVenture capital
Seven Seven SixVenture capital
Arpa-E—
+ 38 more investors · a free account shows the complete list
The directory is free. Investor activity — the working column — is Pro.Unlock prospecting columns

Membership and data by Private Market View

Heirloom investors

48 investors are on record for Heirloom, including Plug and Play Tech Center, US National Science Foundation, Impact Assets and U.S. Department of Energy. By type, the record holds 10 venture capital firms and 1 growth equity firm.

Free account
More of Heirloom with a free account
  • ·The complete investor list: 48 names
  • ·Watch Heirloom: the Monday email on marks, rounds and moves
Create free account
No card required

Membership and data by Private Market View

For fundraisers
Work this list, don’t just read it

These 48 firms already write checks for companies like Heirloom. Build the wider list: every firm that has backed a company like this one, ranked by how often and how recently.

Find investors like these →

Membership and data by Private Market View