Companies Backed by Helium-3 Ventures
8 companies in Helium-3 Ventures's investment portfolio.
Back to Helium-3 Ventures profileInvestment Thesis
“Focuses on deep technology investments across aerospace, defense, and frontier technologies.”
Portfolio Companies (2)
Astranis
Astranis builds small geostationary communications satellites (MicroGEO) for telecom operators and governments. It is privately held and raised a $450 million Series E in May 2026.
Boom Supersonic
Boom Supersonic (Boom Technology, Inc.) is a Colorado company developing the Overture supersonic airliner and Superpower gas turbines for data centers. It is private and raised $300 million in December 2025.
Other Investments (6)
Portfolio Analysis
Helium-3 Ventures has built a portfolio of 8 companies across 2 sectors, including Aerospace & Defense, Space.
The portfolio reflects investments across the Series B, Series D+ stages, showing Helium-3 Ventures's approach to supporting companies at multiple points in their growth journey.
Frequently Asked Questions
How many companies has Helium-3 Ventures invested in?
Helium-3 Ventures has invested in 8+ companies across 2 different sectors.
What sectors does Helium-3 Ventures invest in?
Helium-3 Ventures's portfolio spans Aerospace & Defense, Space. This diversification reflects the firm's broad investment thesis and sector expertise.
What stages does Helium-3 Ventures invest at?
Helium-3 Ventures invests across the Series B, Series D+ stages. Their portfolio includes companies at various points in their growth journey.