Lux Semiconductors key facts
as of Oct 2026- Developer of metal-core substrates designed to replace standard organic and glass cores in advanced semiconductor packages.
- Lux Semiconductors is valued at approximately $11.5M as of Oct 2026 (last reported valuation).
- It has raised $9.3M across 2 recorded rounds; the latest was Seed Round ($2.9M) in Mar 2025.
- Notable investors include Techstars, US National Science Foundation, U.S. Department of Energy, United States Department of War, Hemisphere Ventures — 17 tracked in total.
- Lux Semiconductors has filed 3 Form Ds with the SEC since 2022, most recently Apr 2025 ($2.9M sold).
- Status: Privately Held (backing).
Lux Semiconductors's last reported valuation, Feb 2023. Nothing priced has surfaced since.
- ·The complete investor list: 17 names
- ·Watch Lux Semiconductors: the Monday email on marks, rounds and moves
Lux Semiconductors funding rounds
2 roundsWho backs Lux Semiconductors
17+Lux Semiconductors valuation
Lux Semiconductors's last reported valuation was $11.5 million in Feb 2023. No priced round, secondary trade or fund mark has surfaced since.
How much has Lux Semiconductors raised?
Lux Semiconductors has raised $9.3 million in total; 2 of its rounds are on record. The largest on record was a $2.9 million seed round in Mar 2025.
Lux Semiconductors has filed 3 Form Ds with the SEC since 2022, most recently in Apr 2025 ($2.9 million sold).
Lux Semiconductors investors
17 investors are on record for Lux Semiconductors, including Techstars, US National Science Foundation, U.S. Department of Energy and United States Department of War. The debt round in Jan 2022 drew 3 investors.
About Lux Semiconductors
Developer of metal-core substrates designed to replace standard organic and glass cores in advanced semiconductor packages. The company offers thermal conductivity cores, rigid low-warpage metal substrates, coaxial through-metal vias, and compatibility with existing wafer and fabrication toolsets, enabling designers in aerospace, defense, healthcare, and high-performance computing to build devices that operate reliably under stress while maintaining small form factors and efficient signal integrity.
- Sector
- Information Technology
- HQ
- Albany, NY, United States
- Founded
- 2017
- Employees
- 7
- Website
- luxsemiconductors.com/
- Ownership
- Privately Held (backing)
Is this your company? Sign in with your work email to keep it current, or tell us what's wrong.