Helios Climate Ventures is an early-stage venture capital firm that invests broadly in climate tech with a specialization in the energy storage ecosystem, aiming to address climate change by developing and scaling breakthrough technology solutions.
42% of their portfolio is in Hardware & Semiconductors. Their most common stage is series-a (42% of deals). Average disclosed round size is $28.9M (across 12 rounds with reported amounts).
Portfolio
9
Fund Size
—
Top Stage
Series A
Last 12 Mo
2
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
12 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Dg Matrix | Series A | $60M | Feb 2026 |
 ZincFive, Inc. | Series F | $30M | Dec 2025 |
 GDI | Series A | $13.3M | May 2025 |
 Coreshell | Series B | $24M | Mar 2025 |
 Maxterial | Series A | $8M | Jun 2024 |
 Summit Nanotech | Unknown | $50M | Jan 2023 |
 Liminal | Unknown | $17.5M | — |
 Ambient Photonics | Series A | $31M | — |
| ZincFive, Inc. | Series F | $30M | — |
| ZincFive, Inc. | Series D | $54M | — |
 Liminal Insights Inc. | Unknown | $17.5M | — |
| Coreshell | Series A | $12M | — |
Top Co-Investors
Volta Energy Technologies3 shared
Ecosystem Integrity Fund3 shared
Japan Energy Fund3 shared
GG13 shared
Climate Investment3 shared
Fine Structure Ventures2 shared
Asymmetry Ventures2 shared
Entrada Ventures2 shared
Alchemist Accelerator2 shared
Zeon Ventures2 shared
Translink Capital2 shared
Trousdale Ventures2 shared
Foothill Ventures2 shared
Impact Science Ventures2 shared
ArcTern Ventures2 shared
Chrysalix Venture Capital2 shared
Good Growth Capital2 shared
Barclays2 shared
Orion Infrastructure Capital2 shared
Tech Square Ventures1 shared
Last updated: 20 October 2026