Leverages limestone to accelerate carbon mineralization, integrating it into Direct Air Capture for scalable CO2 removal.
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Overview
Heirloom leverages the natural power of limestone to permanently remove carbon dioxide from the atmosphere. By accelerating the natural process of carbon mineralization, Heirloom’s technology integrates this approach into Direct Air Capture facilities, providing a scalable and cost-effective solution for carbon removal.
Heirloom Funding
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| Financing Round | Date | Amount | Price per share | Valuation |
|---|---|---|---|---|
| Round | Date | Amount | PPS | Valuation |
| Series B | Dec 04, 2024 | 150M | ||
| Series A | Mar 17, 2022 | 53M |
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Heirloom Management Team
Investors
Siemens Financial Services
Prelude Ventures
Mitsubishi Corporation
Microsoft Corp
MCJ Collective
Lowercarbon Capital
Japan Airlines
Future Positive Capital
Carbon Direct Capital Management
Breakthrough Energy Ventures (BEV)
Ahren Innovation Capital
Mitsui & Co.
Heirloom Valuations & Financials
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FAQ
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Heirloom stock does not trade on public stock exchanges. Heirloom stock is considered a private security and you need to be an accredited investor to trade shares. To invest in Heirloom stock you can either buy shares directly through the company or work with a secondary trading marketplace like Nasdaq Private Market.
Learn more about the secondary market for private company shares on the investors page.
Heirloom Stock does not trade on public stock exchanges. In order to sell Heirloom shares you need to work directly with the company or with a secondary trading marketplace like Nasdaq Private Market. NPM has more than a decade of experience helping sell shares on the private market to our network of institutional investors.
Learn more about NPM services for selling privately held stock on the Employee Shareholders page.
Read more about how to sell private company stock on the private secondary market:
Heirloom does not have a publicly available stock price because it is privately held and not traded on public stock exchanges. Through the NPM Data and Intelligence database from Nasdaq Private Market, you can view Heirloom share price and other valuable private market data.
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There is no ticker symbol for Heirloom stock because it is a private company. Private companies do not have ticker symbols like public companies, they are identified primarily by using the company ‘street’ name or legal name.
Nasdaq Private Market currently works with employees, ex-employees, and other company investors. In order to sell Heirloom stock you need to receive the company’s approval, which Nasdaq Private Market manages on your behalf.
Learn more about selling privately held stock on the Employee Shareholders page.
Read more about how to sell shares of a private company and eligibility for selling privately held stock:
Currently, Nasdaq Private Market only works with accredited entities and institutional investors to purchase private company stock. In order to invest in Heirloom stock, you need to be an accredited entity or institutional investor.
Learn more about the Nasdaq Private Market tool kit for investors on the Investor Trading page.
Once you buy or sell, stock share ownership must transfer before funds are wired. With Nasdaq Private Market, clients leverage our patent-pending Transfer and Settlement technology which streamlines and manages transfer activity from match to settlement.
To learn more about private company stock Transfer and Settlement, check out the Transfer and Settlement page.
Heirloom is a private company and has not had an IPO. There is currently no Heirloom IPO price. Get started to begin exploring the Nasdaq Private Market Data and Intelligence database and gain access to actionable data related to Heirloom IPO.
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