Grantham Foundation
VC Fund
Boston, United States
Grantham Foundation is a VC fund in Boston focused on Energy and Biotechnology. 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.
- Total investments:
- 89
- Last investment:
- Lead investor:
- 27%
Last updated:
For AI agents: llms.txt
Industries Grantham Foundation invests in
Stages Grantham Foundation invests in
Countries Grantham Foundation invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Seed
- $1.6M–$13M
- Series A
- $5M–$38M
- Venture - Series Unknown
- $4.7M–$36M
Investment Focus
Industry
- Energy 14 (16%)
- Biotechnology 14 (16%)
- Agriculture 13 (15%)
- AgTech 11 (12%)
- CleanTech 11 (12%)
Stage
- Seed 37 (42%)
- Series A 30 (34%)
- Venture - Series Unknown 4 (4%)
- Pre-Seed 3 (3%)
- Funding Round 3 (3%)
Country
- United States 54 (61%)
- United Kingdom 5 (6%)
- Canada 2 (2%)
- France 2 (2%)
- Australia 2 (2%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Kevin Tidwell
Managing Director
|
Managing Director | Total investments: 12 | Find email | |
Ramsay Ravenel
President and CIO
|
President and CIO | Total investments: 0 | Find email | |
|
Eric Smith
Investment Officer
|
Investment Officer | Total investments: 1 | Find email | |
Hannelore Grantham
Co-Founder
|
Co-Founder | Total investments: 1 | Find email | |
Jeremy Grantham
Co-Founder
|
Co-Founder | Total investments: 3 | Find email | |
| See all 6 team members → | ||||
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Quercus Biosolutions
|
Quercus aims to create effective, environmentally friendly alternatives to chemical pesticides by designing proteins from scratch, which can be regulated as biopesticides. This approach promises faster development and deployment compared to traditional methods, with potential for significant advancements in crop protection over the next few years. | $5M / Seed / Jul 29, 2026 | |
Hephae Energy Technology
|
Hephae Energy Technology is an energy company that offers integrated drilling system to enable the generation of geothermal energy. | $17.8M / Series A / Jul 09, 2026 | |
Via Separations
|
Via Separations is enabling industrial decarbonization with its novel chemistries that allow manufacturing facilities to slash their energy consumption while making more product. Targeting the 12% of US energy consumption that is wasted each year separating chemicals, Via reduces the load of the process by 90%, electrifies the mostenergy-intensive step in chemical production, and generates additional revenue for the customer. Today, Via is deploying its technology in pilot trials at pulp & paper facilities to eliminate 100 million metric tons of CO2 by 2050. Via’s innovation is a highly selective and robust membrane filter that replaces the energy-inefficient heat-based separations in industrial processes. Spun out of MIT’s Department of Material Science & Engineering, Via has scaled up the technology by more than 10 million times and demonstrated working prototypes at a commercial scale. | $36M / Venture - Series Unknown / Apr 01, 2026 | |
V-Glass
|
V-Glass has developed next generation platform technologies that enable the low-cost production of vacuum insulated glass (“VIG”) for high efficiency windows having 3x the thermal performance of conventional dual pane windows, 2x longer life, and costing no more to manufacture. By solving the weak link in building envelopes, reducing GHGemissions, and preserving resources through avoided energy use, V-Glass technology will meaningfully impact the sustainability of our planet and wellbeing of its people. Broad patents filed in the US and abroad provide a defensible moat through 2041. At V-Glass, we know that avoided energy use is the greenest energy available. Since mid-2022, we have been consistently producing high efficiency V-Glass panels in our lab that has passed rigorous testing internally and by 3rd parties. With this, we recently shipped V-Glass panels to three potential strategic partners for their evaluation and testing, with more in the queue. We will soon migrate out of the lab and into a pilot plant where automation and robotic technology will be developed to industrialize V-Glass production for the delivery of commercial quality units at targeted price efficiency. | $3M / Seed / Mar 17, 2026 | |
Biocentis
|
We are a biotech company re-shaping the future of insect control with a unique technology platform that combines environmental sustainability and unprecedented effectiveness.As a spin-out from Imperial College London, a global leader in genetic pest control, we build upon over 20 years of research by our scientific founders, whose pioneering workin genetic control technologies has garnered global recognition.With a presence in the UK and Italy, we leverage the experience of a diverse and accomplished team from 7 countries with unparalleled experience in the scientific and technological fields and an outstanding track record in company building and management. | $12.7M / Seed / Nov 18, 2025 | |
Rodatherm Energy
|
A geothermal company that plumbs its boreholes with a closed loop | $38M / Series A / Sep 15, 2025 | |
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. | $15M / Series A / Apr 30, 2025 | |
Vema Hydrogen
|
Vema Hydrogen is a pioneering clean hydrogen production company. It helps to fight the enormous decarbonization issue. | $13M / Seed / Feb 18, 2025 | |
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 | |
| See all 89 investments → | |||
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FAQ
What does Grantham Foundation invest in?
Grantham Foundation invests primarily in Energy, Biotechnology and Agriculture startups, most often at Seed and Series A stage. Most of the 89 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 $1.6M–$13M at Seed, $5M–$38M at Series A and $4.7M–$36M at Venture - Series Unknown. 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 Kevin Tidwell (Managing Director), Ramsay Ravenel (President and CIO) and Eric Smith (Investment Officer), 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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