# Grantham Foundation

> Grantham Foundation is a VC fund in Boston backing Biotechnology and Energy. See 71 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Boston, United States
- Total investments: 71
- Last investment: Oct 2024
- Lead investor: 24%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/the-grantham-foundation-for-the-protection-of-the-environment/
- Website: http://www.granthamfoundation.org/

Grantham Foundation is a VC fund in Boston focused on Biotechnology and Energy. Grantham Foundation seeks to protect and improve the health of global environmental issues and supports individuals and organizations. It also supports communication and collaboration in environmental protection, with an emphasis on climate change.The foundation focuses on communications to enable the general public to understand that climatechange represents the world’s primary environmental threat today and that mitigating and adapting to a changing climate will lead to a more sustainable and prosperous future.Grantham Foundation was founded in 1997 by Jeremy and Hannelore Grantham and is based in Boston, Massachusetts, USA.

## Contacts

5 contacts available for Grantham Foundation. Shizune tracks 6 team members at Grantham Foundation. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/grantham-environmental-trust?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $2M–$12M |
| Series A | $5M–$40M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Biotechnology | 12 | 17% |
| Energy | 11 | 15% |
| Agriculture | 11 | 15% |
| Environmental Consulting | 10 | 14% |
| AgTech | 9 | 13% |

81 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 32 | 45% |
| Series A | 27 | 38% |
| Grant | 2 | 3% |
| Pre-Seed | 2 | 3% |
| Series B | 2 | 3% |

7 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 47 | 66% |
| United Kingdom | 4 | 6% |
| Canada | 2 | 3% |
| France | 2 | 3% |
| Australia | 2 | 3% |

9 countries tracked in total.

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Eric Smith | Investment Officer | 1 | https://shizune.co/investors/profile/eric-smith-bd8b |
| Hannelore Grantham | Co-Founder | 1 | https://shizune.co/investors/profile/hannelore-grantham |
| Jeremy Grantham | Co-Founder | 3 | https://shizune.co/investors/profile/jeremy-grantham |
| Kevin Tidwell | Managing Director | 12 | https://shizune.co/investors/profile/kevin-tidwell |
| Ramsay Ravenel | President and CIO | 0 | https://shizune.co/investors/profile/ramsay-ravenel |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Carbon Ridge | Carbon Ridge is a technology that offers a fuel-independent method to decarbonize ships. | $9.5M |  | Oct 22, 2024 |  |
| Paebbl | The modular technology from Paebbl may be included in any carbon capture system and is industrially scalable. As a result, Paebbl provides a raw material stream that is carbon-negative, radically altering the economics of preventing carbon from entering our environment. | $25M | Series A | Oct 09, 2024 |  |
| Hephae Energy Technology | Hephae Energy Technology is an energy company that offers integrated drilling system to enable the generation of geothermal energy. | $6.3M |  | Oct 03, 2024 |  |
| Allegro Energy | Allegro Energy is a developer of energy storage technology focus on sustainable solutions for a zero carbon economy. | $11.7M | Series A | Sep 09, 2024 |  |
| Switch Bioworks | Switch Bioworks produces sustainable nitrogen fertilizer by reprogramming naturally occurring symbiotic microbes to produce fertilizers. | $17M | Seed | Sep 05, 2024 |  |
| Renewable Metals | Renewable Metals' unique alkali recycling process recovers critical minerals from old batteries so they can be used again and again. | $5.4M | Seed | Sep 03, 2024 |  |
| InventWood | InventWood aims to be the leader in cellulose-based technologies. The company specializes in the production of cellulosic materials. InventWood was established in 2016 by Amy Gong in College Park, Maryland. | $8M | Venture - Series Unknown | Aug 08, 2024 |  |
| Applied Carbon | Applied Carbon is scaling ground-breaking technology to regenerate soils and trap atmospheric carbon for the benefit of people and the world. | $21.5M | Series A | Jul 31, 2024 |  |
| Yama | Yama is currently in the active stages of technology development, leveraging its initial funding to showcase remarkable energy efficiency. Yama emphasis indicates a strong commitment to innovation in energy-saving solutions. | $3M | Seed | Jul 07, 2024 |  |
| Travertine | Travertine process accelerates the Earth’s natural carbon cycle to precipitate carbonate minerals from carbon dioxide in the air, permanently storing carbon in the solid phase. | $8.5M | Venture - Series Unknown | Jun 25, 2024 |  |

10 of 71 investments shown.

## Co-investors
- [Grantham Foundation](https://shizune.co/investors/profile/grantham-foundation) — VC Fund, 73 deals together
- [Lowercarbon Capital](https://shizune.co/investors/profile/lowercarbon-capital) — VC Fund, 8 deals together
- [Neglected Climate Opportunities](https://shizune.co/investors/profile/neglected-climate-opportunities) — VC Fund, 6 deals together
- [Breakthrough Energy Ventures](https://shizune.co/investors/profile/breakthrough-energy-ventures) — VC Fund, 4 deals together
- [Congruent Ventures](https://shizune.co/investors/profile/congruent-ventures) — VC Fund, 4 deals together
- [Investible](https://shizune.co/investors/profile/investible) — VC Fund, 4 deals together

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## FAQ

### What does Grantham Foundation invest in?

Grantham Foundation invests primarily in Biotechnology, Energy and Agriculture startups, most often at Seed and Series A stage. Most of the 71 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Grantham Foundation's check size?

Grantham Foundation typically joins rounds of $2M–$12M at Seed and $5M–$40M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Grantham Foundation participates in.

### How do I contact Grantham Foundation?

Public channels for Grantham Foundation include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at Grantham Foundation?

The team at Grantham Foundation includes Eric Smith (Investment Officer), Hannelore Grantham (Co-Founder) and Jeremy Grantham (Co-Founder), among 6 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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