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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
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Lightmatter and the history behind them.
Power Law Unicorn$1–10B valuation tier Thoroughbred$100M+ revenue
Featured in
Market map Orbital Compute Jun 11, 2026

Investors

11 investors on Lightmatter's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Series A 3 investors entered at this stage
Spark Capital
GV
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

Talent graph

The shape of Lightmatter's talent

Dealroom maps Lightmatter's team person by person — pinpointing the standout operators and scoring them across the six dimensions investors underwrite. The counts and shape below are a public preview; the named individuals and exact scores live in the platform.

12 standout operatorsDealroom-flagged across the org
8 AI specialistsincl. 5 core researchers
363 employees mappedperson by person
DimensionScore
AI Talentlive Score hidden — book a demo
Engineering Score hidden — book a demo
Product Score hidden — book a demo
Go-to-market Score hidden — book a demo
Leadership Score hidden — book a demo
Research Score hidden — book a demo
Book a demo to unlock Lightmatter's exact scores

Source: Dealroom Talent Intelligence. Public profiles show counts and the team's shape only — request a demo for the named individuals, per-person seniority and tenure, and team benchmarks vs peers.

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.

Compare against

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

See Lightmatter on the full Dealroom platform

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