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Lightmatter
Developing ultra-fast photonic chips specialized for AI work
At a glance
- Founded
- 2017
- Headquarters
- Boston, United States
- Sector
- Semiconductors
- Power Law
- Unicorn$1–10B valuation tierThoroughbred$100M+ revenue
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Series A3 investors entered at this stage
Series B and later8 investors entered at this stage
T. Rowe Price- HEHP Enterprise
Fidelity Investments- VIViking Global Investors
- LGLockheed Martin Global
- MTMassachusetts Institute of Technology
- APAliya Capital Partners
- SPSIP Global Partners
Ownership
Estimated cap table from Dealroom's shareholder data — share of equity by holder. Stakes as last recorded by Dealroom (2026). Percentages are indicative.
Some investors are hidden on this public profile. See the full cap table on Dealroom →
Source: Dealroom Talent Intelligence.
Global footprint
team presence
across markets
Patents
106 active patent families included in this estimate.
A patent family groups patent filings for the same invention. Source: Dealroom · PatSnap.
Market sentiment
An AI-synthesised read of the highest-engagement posts about Lightmatter on X, ranked by likes and reposts, corporate channels excluded.
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
Live deal flow, founder pedigree, hiring signals, revenue trajectory, and the full cap table.