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Lightmatter
Lightmatter, Inc. is a computer hardware manufacturing company that merges photonics and computing to build advanced optical technology and supercomputers. The company is headquartered in Mountain View, California, with additional offices in Boston.
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Lightmatter at a glance
Lightmatter is a semiconductors company headquartered in United States, founded in 2017. It has raised at least $709.5M across the 5 funding rounds on record. Its most recent funding round raised $350M in October 2024. Xcout tracks 41 named people at Lightmatter, including Nicholas C. Harris (President and Chief Executive Officer). Xcout recorded 85 job postings from Lightmatter in the last 90 days, naming tools such as Jira, GitHub, GitLab.
Lightmatter leadership
- Nicholas C. HarrisPresident and Chief Executive Officer
- Simona JankowskiCFO
- Nicholas HarrisFounder, CEO
- Darius BunandarFounder, Chief Scientist
- Thomas GrahamFounder, Head of Machine Learning
- Beth KeilSVP, People and Culture
35 more named people on record for Lightmatter, with roles, board committees and tenure — see the full roster →
Lightmatter funding rounds
At least $709.5M raised across the 5 rounds on record. Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| — | $350M | 3 named | |
| SEC Form D filing | $155M | — | |
| Series C | $160M | 7 named | |
| SEC Form D filing | $22.2M | — | |
| — | $22.2M | 8 named |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Hiring at Lightmatter
Xcout recorded 85 job postings from Lightmatter in the last 90 days, from a hiring record Xcout has kept since June 2026.
Tools named in Lightmatter's job postings
The weekly hiring trend, the roles and locations behind it — see Lightmatter's hiring signals →
Hiring vs the trend
Based on 101 job postings in the last 8 weeks (10 Aug – 4 Oct 2026), compared with 380 scale-up technology companies.
This describes a hiring pattern — how often Lightmatter’s job postings ask for AI skills, and how that changed against the previous 8 weeks, ranked among its peers. It says nothing about the company’s products or performance.
Signed-in members see the AI-skill share and its change with peer percentiles, role mix, posting momentum and advertised US pay against the market.
Investors
Tech stack
Lightmatter competitors
A few of Lightmatter's closest competitors — see the full list of competitors and alternatives →
Ayar Labs is a computer hardware manufacturing company specializing in co-packaged optics for AI scale-up and high-performance computing. Backed by semiconductor industry leaders, the company is headquartered in San Jose, California.
Luminous Computing develops advanced computing infrastructure with primary operations centered in Mountain View, California.
Smart Photonics operates as a pure-play foundry for integrated photonics, manufacturing Photonic Integrated Circuits (PICs) that use light to create energy-efficient and fast microchips. The company provides design kits, multi-project wafer services, and manufacturing solutions for clients in sectors such as data and telecommunication, medical applications, and sensing technologies like Lidar.
Neurophos Inc. is an AI chipmaker headquartered in Austin, Texas, that builds innovative photonic artificial intelligence processors.
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More on Lightmatter in Xcout Intel
- 41 named people with titles, LinkedIn and board committees
- 5 funding rounds with the investors in each, and who they co-invest with
- Weekly hiring history and the mix of roles behind it
- The full competitor set, tracking, exports and API access