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Orbit-SpaceX Ventures

Capital
Beyond Earth

We back the companies building the infrastructure of a multiplanetary civilization — from propulsion and habitation to energy and life sciences. $4.8B deployed. 81 companies. 6 sectors.

$4.8B
Portfolio Value
81
Portfolio Companies
6
Active Sectors
12
Unicorns
Investment Thesis

Six Sectors

Propulsion

Series B

Next-generation ion drives, nuclear thermal engines, and solar sail arrays pushing the boundaries of interplanetary travel speeds.

14 portfolio companies

Habitation

Series A

Pressurized habitats, closed-loop life support systems, and modular colony infrastructure for Mars and lunar surface operations.

9 portfolio companies

Resource Extraction

Seed

Autonomous mining platforms targeting nickel-iron asteroids, helium-3 on the lunar regolith, and Martian subsurface ice reserves.

22 portfolio companies

Communications

Series C

Deep-space relay networks, quantum-encrypted interplanetary links, and laser comm arrays enabling sub-minute Earth-Mars latency.

7 portfolio companies

Life Sciences

Seed

Radiation medicine, synthetic biology for food production in microgravity, and pharmaceutical manufacturing in orbital labs.

18 portfolio companies

Energy

Series A

Space-based solar power transmission, micro-fission reactors for off-grid habitats, and energy storage for long-duration missions.

11 portfolio companies
Currently Raising

Active Rounds

ArcLight Propulsion

Series BPropulsion

Ionic plasma drives capable of reducing Earth–Mars transit to 74 days. 3 successful orbital test flights completed.

Lead: Orbit-SpaceX Ventures

Raising

$240M

Valuation

$1.2B

Close

Q3 2026

BioSphere One

Series ALife Sciences

Closed-loop food production system achieving 94% caloric self-sufficiency in simulated Martian atmospheric conditions.

Lead: Co-lead with Deep Space Capital

Raising

$80M

Valuation

$320M

Close

Q2 2026

Helios Grid

Series AEnergy

Geosynchronous solar collection arrays transmitting 2GW to ground receivers. FAA orbital slot allocation approved.

Lead: Orbit-SpaceX Ventures

Raising

$150M

Valuation

$600M

Close

Q4 2026

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