Organization · Venture Capital
Helium-3 Ventures
Helium-3 Ventures is a New York City-based investment organization focused on supporting innovative companies in technology, energy, healthcare, and sustainability. They invest in early-stage and growth companies that address significant challenges on Earth and beyond.
Overview
What Helium-3 Ventures does
What Helium-3 Ventures is
Helium-3 Ventures is a New York City-based investment organization focused on supporting innovative companies in technology, energy, healthcare, and sustainability. They invest in early-stage and growth companies that address significant challenges on Earth and beyond.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Venture Capital
- Founded
- Founded in 2021
- Approximate age
- About 5 years
- Structured capabilities
- Funder
- Last reviewed
- April 23, 2026
Official channels
Find Helium-3 Ventures elsewhere
Open the official website or a supported primary organization account.
Capability profile
Helium-3 Ventures as a funder
Investment thesis
Helium-3 Ventures focuses on investing in frontier and deep-tech companies that address significant challenges on Earth and beyond, particularly in energy, mobility, and advanced materials.
Focus narrative
Helium-3 Ventures invests primarily in frontier and deep-tech sectors, emphasizing high-tech, enterprise, energy technology, communications, renewable energy, space exploration, advanced materials, agtech, audiotech, climatetech, and robotics. The firm targets early-stage companies, particularly those at the Series A level, and seeks to provide substantial support to founders building hardware-heavy, capital-intensive solutions with long-term potential.
Value beyond capital
Helium-3 Ventures provides not only capital but also strategic support to its portfolio companies, leveraging a strong network and expertise in frontier technologies. The firm is particularly focused on backing founders with a hard science or hardware thesis, ensuring that they have the resources and guidance needed to navigate the complexities of developing transformative technologies.
Terms and economics
- Typical check
- $100,000–$5,000,000
- Sweet spot
- $1,500,000
Focus and fit
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded portfolio count
- 51
Portfolio context
Notable portfolio companies include: Alga: Reduces methane emissions from cattle by 97%. Astranis: Develops advanced satellites for high orbits. Blackcart: Transforms the in-store shopping experience into an online format. Boom Supersonic: Aims to provide commercial flights from New York to London in 3.5 hours using 100% sustainable aviation fuel. Cart.com: Offers eCommerce-as-a-Service solutions. Contraline: Introduces the world's first long-lasting, reversible contraceptive for men. Digibuild: Revolutionizes construction supply chain and procurement using AI. Engineered Arts: Develops a humanoid robot platform for AI research and human interaction. GeneralFusion: Focuses on infinite clean energy inspired by the Sun. Quaise: Works on inexhaustible geothermal energy solutions. Space Forge: Engages in in-space manufacturing.
Common questions
What to know about Helium-3 Ventures
Upseed classifies Helium-3 Ventures under the Venture Capital organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
April 23, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.