AskVantage

Lightmatter

Lightmatter is an AI chips company based in Mountain View, United States, founded in 2017. Photonic interconnect and computing for AI data centres. It was valued at $4.4bn on 16 October 2024 (Series D funding round ($400m)), which makes it a unicorn in the 311 Unicorn Index.

Part of the 311 Unicorn Index (311institute.com). Last updated .

$4.4bnValuation
16 Oct 2024As of
Mountain View, United StatesHeadquarters
2017Founded
AI chipsSector
Unicorn311 status
Book a Briefing
$4.4bn ยท Series D funding round ($400m)
Source: TechCrunch

About Lightmatter

Photonic interconnect and computing for AI data centres. Lead investors in its latest round: T. Rowe Price. Website: lightmatter.co.

How this figure is calculated

The valuation set by the latest priced funding round or company-run share sale, as announced by the company or its lead investor, or reported by a major news organisation. Figures in other currencies are converted at the rate on the day of the round. Talks that have been reported but not closed do not count.

Related

Other unicorns in United States

Questions and answers

How much is Lightmatter worth?

Lightmatter was valued at $4.4bn on 16 October 2024 (Series D funding round ($400m)), according to the 311 Unicorn Index.

Where is Lightmatter based?

Lightmatter is headquartered in Mountain View, United States.

When was Lightmatter founded?

Lightmatter was founded in 2017.

What does Lightmatter do?

Photonic interconnect and computing for AI data centres.

Is Lightmatter a unicorn?

Yes. Lightmatter is a privately held company valued at $1 billion or more, so it is a unicorn in the 311 Unicorn Index.

© 311 Institute 2026. Facts from the sources linked on this page. The selection, classification and links are the proprietary work of the 311 Institute, protected by copyright and database rights.