Key facts
- Lux Semiconductors’s last known valuation is $11.5M (Feb 2023).
- 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).
- ·Post-money valuations for all 2 rounds
- ·The complete investor list — 17 names
- ·Watchlist + deal alerts for Lux Semiconductors
Funding rounds
2 roundsAbout 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)
Lux Semiconductors doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Lux Semiconductors shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Lux Semiconductors in its N-PORT filings yet. We sweep new filings monthly.