Earth Foundry is a Chicago-based early-stage venture capital firm investing in critical industries including energy, water, waste, mobility, agriculture, and infrastructure. Originally founded as Energy Foundry in 2012, the firm rebranded to Earth Foundry after a decade of energy investing, expanding its scope to broader climate and cleantech sectors.
33% of their portfolio is in Climate & Energy. Their most common stage is seed (44% of deals). Average disclosed round size is $23.6M (across 9 rounds with reported amounts).
Portfolio
9
Fund Size
$50M
Top Stage
Seed
Last 12 Mo
0
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
9 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| AAtlas Data Storage | Seed | $155M | May 2025 |
 UpSolv | Series B | $16M | Jul 2024 |
 Polystyvert | Series B | $16M | Jul 2024 |
 Ecotone Renewables | Seed | $3M | Jan 2024 |
 Earthshot | Series A | $5.5M | Jan 2024 |
 Harvest Thermal | Seed | $2.5M | Oct 2023 |
 Harvest Thermal | Unknown | $4M | Jan 2023 |
 Oxylus Energy | Seed | $4.5M | — |
 Earthshot | Series A | $5.5M | — |
Top Co-Investors
Future Fund2 shared
Acorn Pacific Ventures2 shared
Sand Hill Angels2 shared
One Small Planet2 shared
Portfolia2 shared
Starshot Capital2 shared
MUUS Climate Partners2 shared
Azolla Ventures1 shared
Connecticut Innovations1 shared
Root Ventures1 shared
Toyota Ventures1 shared
Barclays1 shared
Everywhere Ventures1 shared
Cisco Investments1 shared
AQC Capital1 shared
Cycle Capital1 shared
RSquared VC1 shared
Tao Capital Partners1 shared
In-Q-Tel1 shared
ARCH Venture Partners1 shared
Last updated: 7 October 2026