Helium-3 Ventures
New York-based venture capital firm making seed and early-stage growth investments in technology founders across energy, climate, space, robotics, aviation, agriculture and health.
Helium-3 Ventures is a venture capital firm based in New York that backs technology founders across a broad range of sectors. It invests at the seed and early-stage growth stages, describing its mandate as supporting ambitious founders building companies for “Earth and beyond”. Check sizes, fund structure and founding date are not publicly specified.
The portfolio is deliberately dispersed rather than concentrated in a single category. Stated areas of interest include clean energy, climate technology, methane reduction, geothermal energy, energy storage and battery materials; space and satellite technology; robotics and humanoid robotics; supersonic aviation; agriculture; and health technology. Portfolio sector examples cited by the firm span methane reduction, advanced satellites, supersonic aviation, humanoid robotics, geothermal energy, energy storage and battery materials.
The firm maintains a founder-oriented posture: its website includes a dedicated “For Founders” section and a contact email for inbound inquiries. The stated thesis centres on backing the best founders addressing significant opportunities, an approach that places team and founder quality ahead of sector fit within the firm's stated areas of interest.