New York-based VC firm investing in seed and early-stage growth companies building transformative technologies for earth and beyond.

New York, United States · 7+ investments · 6 portfolio companies

Seed
Early Stage
Aerospace
Artificial Intelligence
Clean Tech
Advanced Materials
Clean Energy
Climate Tech
Energy Storage
Robotics
Space Tech
Headquarters
New York, United States
Founded
2021
Portfolio Companies
6
Total Investments
7
Last Investment
Jun 2025
Geographic Focus
United States, Global, Europe

Investment Thesis

Backing the best founders building the most exciting and innovative companies across diverse sectors like AI, space, and energy.

Helium-3 is a Venture Capital firm based in New York, United States. It has made 7 investments, including Runwi, Tixr and Genecis Bio. Focus areas include Aerospace and Artificial Intelligence.

Portfolio6

Co-investors24

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24 co-investors across 26 shared portfolio companies — who they back alongside, and how often they lead.

Venture Capital ×17 · Accelerator ×2 · Corporate VC ×2 · 28 shared rounds

Investment History

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