Lightmatter

Semiconductors · Boston, United States · Founded 2017

Developing ultra-fast photonic chips specialized for AI work

Valuation $2.5–5B

Revenue $100–500M

Headcount 100–500

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Power Law Unicorn$1–10B valuation tier Thoroughbred$100M+ revenue

Knowledge graph

Market map Orbital Compute Jun 11, 2026

Talent graph

Lightmatter's talent

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Employees mapped 363 incl. 8 AI specialists

Founders /100 quality score

Key operators 12 quality /100

Potential founders likely future founders

Startup mafia alumni-founded startups

Talent movements in · out past 12 months

Source: Dealroom Talent Intelligence.

Investors

11 investors on Lightmatter's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Series A 3 investors entered at this stage

Spark Capital

Matrix Partners

Series B+ 8 investors entered at this stage

T. Rowe Price

HP Enterprise

Fidelity Investments

Viking Global Investors

Lockheed Martin Global

Massachusetts Institute of Technology

Aliya Capital Partners

SIP Global Partners

Ownership

Who owns Lightmatter

Estimated cap table from Dealroom's shareholder data — share of equity by holder. Stakes as last recorded by Dealroom (2026). Percentages are indicative.

23.5% Founders

GVGoogle Ventures 14.5%

Some investors are hidden on this public profile. See the full cap table on Dealroom →

Global footprint

Where Lightmatter has talent and traffic

Workforce by country

5 countries with
team presence

🇺🇸 United States93%

🇨🇦 Canada5.4%

🇧🇷 Brazil1%

🇬🇧 United Kingdom0.5%

🇩🇪 Germany0.5%

5 countries shown

Web traffic by country

58K monthly visits
across markets

🇺🇸 United States27.6%

🇩🇪 Germany18.6%

🏳️ Korea8.1%

🏳️ Republic of5.9%

🇮🇳 India5.2%

Top 5 markets shown

Patent intelligence

$62M patent portfolio · 106 active families

Estimated portfolio value

$62M

1.4% of valuation · 3.7× larger than top peer Ampere Computing ($17M)

106 active patent families

Where Lightmatter innovates Computer architectureComputer engineeringElectrical and Electronics engineeringIntegrated circuitInterposer

Where Lightmatter concentrates vs peers

Each axis is a top-10 topic across Lightmatter and its closest peers. #1 = 100, #10 = 10, absent = 0.

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Source: Dealroom Patent Intelligence · Patsnap. Request a demo for the full per-sub-category breakdown, individual records, and quality-score history.

Market sentiment

What the market is saying about Lightmatter

An AI-synthesized read of the highest-engagement posts about Lightmatter on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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