Helios Climate Ventures is a venture capital firm. Team members are concentrated in Durham, North Carolina, United States. Among the 9 companies in the known portfolio are Liminal, Aqua Membranes, Coreshell Technologies, DG Matrix, ZincFive and Ambient Photonics.
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Investment focus
Contacts
Who to pitch at Helios Climate Ventures
Helios Climate Ventures portfolio companies (9)
- Liminal
- Aqua Membranes
- Coreshell Technologies
- DG Matrix
- ZincFive
- Ambient Photonics
- Summit Nanotech
- GDI
- Maxterial
Co-investors
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About Helios Climate Ventures
The firm's listing covers sectors Climate and Hardware, and focus areas Analytics, Battery, Chemical and Clean Energy; known deals cluster at Growth, Series A and Series B.
The contacts to approach at Helios Climate Ventures are Terry Kellogg (Managing Director) and Josh Grehan (Investor).
Across the known portfolio, 20 co-investors appear alongside Helios Climate Ventures, including Volta Energy Technologies, Atlas Innovate and Kurita Water Industries.
Frequently asked questions
What is Helios Climate Ventures?
Helios Climate Ventures is a venture capital firm whose team is concentrated in Durham, North Carolina, United States, with a known portfolio of 9 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Helios Climate Ventures invest in?
Listed sectors include Climate and Hardware; listed focus areas include Analytics, Battery, Chemical and Clean Energy. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Helios Climate Ventures invest at?
The known deals of Helios Climate Ventures include Growth, Series A and Series B rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Helios Climate Ventures?
Both people on file at Helios Climate Ventures are listed as contacts for the firm, each with their own profile page.
How do I contact Helios Climate Ventures?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 2 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal