Helium-3 Ventures
Overview
Helium-3 Ventures is a New York-based venture capital firm that invests in early-stage technology companies with a focus on clean energy, advanced materials, communications, and space exploration. The firm seeks to back founders driving innovation across industries, from earth-focused clean technologies to space ventures. Helium-3 Ventures offers support beyond capital, including recruiting assistance, branding guidance, on-demand office space in New York City, and access to proprietary data and corporate contacts. The firm's investment strategy targets seed, early, and growth-stage companies, deploying investments ranging from $100,000 to $5 million, with an average investment around $1.5 million. Its portfolio spans sectors such as renewable energy, clean technology, advanced materials, communications, electric vehicles, and recycling, alongside ventures in satellite and in-space manufacturing. Helium-3 Ventures looks for ventures that address global challenges and have the potential for large-scale impact, supporting entrepreneurs as they expand and refine their business models. A significant portion of Helium-3 Ventures’ investments focus on sustainability and battery innovation. Recent funding includes Princeton NuEnergy, which recycles lithium-ion batteries for a circular supply chain, and General Fusion, developing fusion energy systems. Deep geothermal developer Quaise, advanced geothermal firm Sage Geosystems, and modular pumped storage provider Quidnet broaden the clean energy mix. The firm also invests in companies like Posh, which specializes in automating the recycling of electric vehicle batteries through the use of robotic arms and computer vision technology, addressing challenges in the disassembly process and contributing to the establishment of a circular economy in the electric vehicle sector. Helium-3 Ventures is committed to supporting entrepreneurs who are developing innovative solutions to global challenges, particularly in the realms of clean energy and sustainability. By providing both financial backing and strategic support, the firm aims to foster the growth of companies that have the potential to make a significant impact on the world.
Investment Focus
- Innovative technology solutions
- Scalable business models
- Strong management teams
- High growth potential
- Market differentiation
Portfolio Companies
Reach Helium-3 Ventures directly
Verified work email, phone and LinkedIn for the full team — one spreadsheet, one payment, yours to keep.
Unlock full contacts →Frequently asked questions about Helium-3 Ventures
What sectors does Helium-3 Ventures invest in?
Helium-3 Ventures invests in Technology, Healthcare, Energy, Consumer Goods, Media and Retail, and is based in New York, United States. Helium-3 Ventures is listed as a venture capital in the ConnectSafely investor database.
What stage does Helium-3 Ventures invest at?
Helium-3 Ventures backs companies at Seed, Early Stage, Series A, Series B, Growth and Late Stage, writing cheques of 100K - 5M.
Which regions does Helium-3 Ventures invest in?
Helium-3 Ventures invests across United States, United Kingdom, Canada, Germany, Japan and Australia.
Who are the partners at Helium-3 Ventures?
Team members listed for Helium-3 Ventures include David Hendrickson (Founding Partner) and John Dauer (Founding Partner).
What companies has Helium-3 Ventures invested in?
Helium-3 Ventures's portfolio includes Cart.com, Stoke, Span, Teamworks, Contraline, Astranis, Boom and Alga.
How do I contact Helium-3 Ventures?
Helium-3 Ventures's contact details — including LinkedIn — are listed in the ConnectSafely investor database, along with its website and the LinkedIn profiles of its partners.
Last updated · Source: ConnectSafely investor database




