Helium-3 Ventures

General contacts

Investor type

Founded

2021

AUM

Location

New York, New York, United States

Investment Ticket

$1-5 m

Investment Stage

Series A

Region of investment

North America

Investor profile last updated: 16 August, 2026

Profile

Helium-3 Ventures is a venture capital firm based in New York, United States, founded in 2021 by David Hendrickson, a Columbia Business School-trained professional. The firm has a team of 11 people, including 3 partners, and focuses on investing in innovative companies that aim to impact both Earth and beyond. Helium-3 Ventures distinguishes itself by backing founders in sectors like energy, climate, space, deeptech, and AI.

The firm primarily invests in Series A rounds, with a typical check size ranging from $100,000 to $5 million, focusing on the United States. Helium-3 Ventures manages Helium-3 Ventures Fund I, which was launched in 2022. The firm has a diverse portfolio across high-tech and enterprise applications, and it often co-invests with other notable funds.

Notable investments by Helium-3 Ventures include Alga, which reduces methane emissions from cattle; Astranis, which builds advanced satellites; Boom, which develops supersonic commercial flights; Cart.com, an eCommerce-as-a-Service platform; and Contraline, which offers a long-lasting contraceptive for men.

Industry

AI Hardware Deeptech Aerospace ClimateTech Energy Nuclear / Fusion

Helium-3 Ventures Funds

Name	Type	Industry	Stage	Region	Size	AUM	Launch date
Helium-3 Ventures Fund I	Venture Capital (VC)	Energy ClimateTech Aerospace Deeptech Hardware AI		North America	$1-5 m	—	January 2022

Contacts

Name

Title

Social Networks

Matthew Bellamy Founding partner

Founding partner

m•••@•••

David Hendrickson Founding Partner

Founding Partner

d•••@•••

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FAQs about Helium-3 Ventures

Is Helium-3 Ventures a venture capital or private equity firm?

Helium-3 Ventures is a venture capital firm. It backs companies at Series A, writing tickets of $1-5 m.

Where is Helium-3 Ventures located?

Helium-3 Ventures is located in New York, New York, United States.

When was Helium-3 Ventures founded?

Helium-3 Ventures was founded in 2021.

What sectors and industries does Helium-3 Ventures invest in?

Helium-3 Ventures invests in companies and startups in AI, Hardware, Deeptech, Aerospace, ClimateTech, Energy, Nuclear / Fusion.

What is Helium-3 Ventures geographical focus of investments?

Helium-3 Ventures invests in companies and startups in North America.

At what stages of companies and startups does Helium-3 Ventures typically invest in?

Helium-3 Ventures invests in companies and startups at Series A.

What is the usual amount of Helium-3 Ventures investment?

Helium-3 Ventures usually invests $1-5 m on average.

What are the contacts of Helium-3 Ventures?

Helium-3 Ventures can be reached through its website helium-3ventures.com, its LinkedIn page and its X account. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for Helium-3 Ventures — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.

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Yes. Every field on this page — profile, funds, investment criteria, portfolio and investment-team contacts — is available programmatically through the Private Equity List REST API and MCP server, so AI assistants such as Claude and ChatGPT can query Helium-3 Ventures directly instead of scraping this page. One subscription covers both the web app and machine access — see API & MCP.

When was the Helium-3 Ventures profile last updated?

Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 16 August, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.