Startup · United States

Besxar Space Industries

HQ United States

Besxar manufactures advanced semiconductor substrates in space. Autonomous units producing GaN, SiC materials for AI, power electronics & defense.

Products1

Modular manufacturing units designed to use vacuum, microgravity and other conditions in space.

Maturity not rated

Newest unveiled first. Open a product for its milestone timeline, components and sources.

Funding rounds
Announced	Stage	Amount	Valuation	Lead investors	Other investors	Confidence
2025	Seed	$10.3M	—	Dauntless Ventures	Earthrise, Mana Ventures, Overture Ventures	Confirmed

Totals add known amounts using recorded USD conversions where available; other currencies are shown separately. A ~ marks an estimated amount.

1
DatabaseSixth-Domain public startup directory
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "USA", "hq_iso2": "US", "id": "0e76a87e-4612-4d25-9016-125a819bb30d"}”

2
CompanyBesxar
Besxar Space Industries · Supports Organization · description, Organization · name, Organization · website, System
“Besxar manufactures advanced semiconductor substrates in space. Autonomous units producing GaN, SiC materials for AI, power electronics & defense.”

3
NewsBesxar is building an orbital semiconductor factory, one SpaceX rocket at a time
TechCrunch · Sep 9, 2026 · Supports Funding round
“a $9 million seed round led by Dauntless Ventures and Overture VC”
4
CompanyBesxar Completes Inaugural Flight with SpaceX, Advancing Path to Semiconductor Manufacturing in Space
Besxar · Sep 9, 2026 · Supports Funding round · amount
“raised a $10.3M seed round led by Dauntless Ventures”

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