Investments · Active Portfolio

Companies we've
backed.

Critical Mass invests in early-stage aerospace companies across launch, propulsion, satellite intelligence, in-space mobility, and orbital infrastructure. Click any logo to visit the company.

Portfolio Companies

Ten operating companies building the infrastructure and industrial backbone of the space economy.

/ 10 COMPANIES
VINTAGE · 2024–2026
/ 01

ICEYE

Synthetic-aperture radar (SAR) constellation delivering all-weather, day-and-night Earth observation at sub-meter resolution.

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/ 02

Impulse Space

In-space mobility and orbital transfer vehicles delivering payloads precisely from launch insertion to operational orbit.

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/ 03

Interstellar Lab

Closed-loop, bioregenerative systems that grow food and recycle water and air, built for long-duration space missions and controlled agriculture on Earth.

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/ 04

LeoLabs

Commercial radar network for low-Earth-orbit space safety, collision avoidance, and persistent satellite tracking.

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/ 05

Lunar Outpost

Autonomous lunar rovers and surface mobility platforms enabling commercial and government missions on the Moon, including roles on NASA's Artemis program.

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/ 06

SpaceRig

Orbital infrastructure platforms enabling next-generation in-space industry, manufacturing, and operations.

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/ 07

Stoke Space

Fully reusable rockets, starting with Nova, a two-stage launch vehicle designed for rapid, low-cost access to orbit.

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/ 08

Ursa Major

Liquid rocket engines for launch vehicles and hypersonic propulsion systems. American supply for the propulsion bottleneck.

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/ 09

Varda

In-space pharmaceutical manufacturing and re-entry capsule platform — turning microgravity into a commercial production environment.

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/ 10

Vast

Commercial space stations for long-duration human spaceflight — building the next layer of orbital infrastructure.

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Building in the space economy?

If your company is operating in our focus areas — early-stage, technically credible, capital-efficient — we'd like to hear from you.

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