Prelude Ventures is a venture capital firm that invests in and supports early-stage startups with the greatest potential to mitigate climate change. Founded in 2009 and based in San Francisco, the firm backs entrepreneurs across built environment, carbon management, energy, food & agriculture, manufacturing, and mobility sectors.
Average disclosed round size is $61.6M (across 143 rounds with reported amounts).
Portfolio
108
Fund Size
—
Top Stage
Series A
Last 12 Mo
11
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
167 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Cryopets | Unknown | $2M | Aug 2026 |
| QQuaise Energy | Series B | $134M | Jul 2026 |
 Morpho | Unknown | $175M | Jun 2026 |
| BBoston Metals | Series C | $75M | May 2026 |
 THEA | Series B | $100M | May 2026 |
 KilgourMD | Series A | — | Mar 2026 |
 Rhoda AI: | Series D | — | Mar 2026 |
 Zero Homes | Series A | — | Feb 2026 |
 Lunar Energy | Series D | $102M | Feb 2026 |
 Form Energy | Series A | $750M | Jan 2026 |
 Thea Energy | Series B | $100M | Jan 2026 |
| FFervo | Series E | $462M | Dec 2025 |
 Ripple | Series A | $17M | Dec 2025 |
 Understory | Series A | — | Sep 2025 |
 Augmenta | Seed | $10M | Mar 2025 |
 Courtyard | Series A | $30M | Jan 2025 |
 Vaulted Deep | Series A | $32M | Nov 2024 |
 Vaulted | Series A | $32.3M | Nov 2024 |
 OneSkin | Series A | $20M | Nov 2024 |
 RedoxBlox | Series A | $40.7M | Oct 2024 |
 Pyka | Series B | $40M | Sep 2024 |
 Pyka | Series B | $40M | Sep 2024 |
 Brightband | Series A | $10M | Sep 2024 |
 Graphyte | Series A | — | Sep 2024 |
 Branch Energy | Series A | $10.8M | Aug 2024 |
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Top Co-Investors
Breakthrough Energy Ventures31 shared
S2G Ventures22 shared
Energy Impact Partners15 shared
Congruent Ventures13 shared
Lowercarbon Capital13 shared
Fall Line Capital12 shared
iSelect Fund12 shared
Alumni Ventures11 shared
DCVC9 shared
GV9 shared
Capricorn Investment Group9 shared
Ajax Strategies9 shared
Plug and Play Tech Center9 shared
Innovation Endeavors8 shared
Mitsubishi Heavy Industries8 shared
Piva Capital8 shared
Techstars8 shared
Mercury Fund8 shared
Khosla Ventures8 shared
Last updated: 7 October 2026