One Small Planet is a Boulder, Colorado-based vital capital group and family office founded by Will Peterffy that seeks to harmonize the wealth of people and planet by investing in regenerative and climate-focused ventures. Its Fire Fund manages approximately $100 million across its investing vehicles, with a focus on early-stage companies in energy, food, agriculture, and cleantech.
Deal activity decreased year-over-year (2 deals in the last 12 months vs 4 prior). Their most common stage is series-a (57% of deals). Average disclosed round size is $10.5M (across 20 rounds with reported amounts).
Portfolio
19
Fund Size
$100M
Top Stage
Series A
Last 12 Mo
2
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
23 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Miraterra Technologies Corporation | Seed | $16M | Mar 2026 |
| AAquaPoro | Seed | $5M | Jan 2026 |
 Symbrosia | Unknown | $5.8M | Dec 2025 |
 Verdi | Seed | — | May 2025 |
 Roam | Series A | $11.5M | Apr 2025 |
 GoodSam | Series A | $9M | Mar 2025 |
 Moment Energy | Series A | $15M | Jan 2025 |
| Verdi | Seed | — | Jan 2025 |
 Glacier | Series A | $16M | Jan 2025 |
 Matereal | Seed | $4.5M | Jul 2024 |
| Glacier | Series A | $7.7M | Mar 2024 |
| Roam | Series A | $24M | Feb 2024 |
 Earthshot | Series A | $5.5M | Jan 2024 |
 Moment Energy | Series A | $15M | Jan 2024 |
 Cruz Foam | Series A | $18M | Oct 2022 |
| GGoodSAM Foods | Series A | $9M | — |
| RRenewWest | Seed | $3.2M | — |
| RReSeed | Seed | $4.6M | — |
| VVerdi Expeditions | Seed | — | — |
 LAIIER | Seed | $4M | — |
| Cruz Foam | Series A | $18M | — |
 Earthshot | Series A | $5.5M | — |
 Simplifyber | Series A | $12M | — |
Top Co-Investors
Amazon Climate Pledge Fund4 shared
Act One Ventures3 shared
Echo River Capital3 shared
Ponderosa Ventures3 shared
Jetstream3 shared
New Climate Ventures2 shared
Overture VC2 shared
Voyager Ventures2 shared
In-Q-Tel2 shared
Version One Ventures2 shared
MCJ2 shared
Fika Ventures2 shared
WovenEarth Ventures2 shared
Helena2 shared
SOUNDWaves2 shared
Regeneration.VC2 shared
Elemental Impact2 shared
ALIVE2 shared
Connecticut Innovations2 shared
Earth Foundry2 shared
Last updated: 20 October 2026