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Heirloom Funding & Investors

San Francisco, CA

Heirloom aims to remove 1 billion tons of carbon dioxide using the world's most cost-effective Direct Air Capture solution, a mineralization process known as enhanced weathering.

heirloomcarbon.com

Total Amount Raised: $204,255,744

Heirloom's Investors

Heirloom Funding Rounds

  • Series B

    $150,000,000

    Series B Investors

    Future Positive
    Lowercarbon Capital
    MOL Switch
    Mitsui
    Mitsubishi Corporation (Americas)
    Siemens Financial Services
    Quantum Energy Partners
    Breakthrough Energy
    Ahren Innovation Capital
    Japan Airlines
    MCJ
    Carbon Direct Capital
    H&M Group Ventures

  • Grant

    $1,000,000

    Grant Investors

    Musk Foundation
    XPRIZE

  • Series A

    $53,000,000

    Series A Investors

    Ahren Innovation Capital
    Breakthrough Energy
    Carbon Removal Partners
    Breyer Capital
    The Grantham Foundation For The Protection Of The Environment
    Seven Seven Six
    Time Ventures
    Lowercarbon Capital
    Microsoft Climate Innovation Fund
    AENU
    Global Reserve Group
    Quantum Energy Partners
    YouWeb IV: Impact

  • Grant

    $255,737

    Grant Investors

    National Science Foundation (NSF)
Funding info provided by Diffbot.