Lightmatter
Lightmatter develops photonic processors for AI. Its products, like the Passage interconnect, use light to enable faster, efficient computing.
Secondary Market Price
Secondary Market Price
How Lightmatter Measures Up
To help you manage your Lightmatter equity, Prospect has run the company through our machine learning model.
Prospect Rating
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This rating reflects our belief in this company's potential to grow to that many times its current value in 4 years. For an employee with stock, this rating suggests a potential return on equity, but it also comes with some risk.
Exit Risk
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Our rating is a reflection of the likelihood of this company achieving a liquidity event for its employees based on the quality of investors, funding stage, founders, and more.
Funding Stage
Series D
A company’s funding stage reflects how established it is, how quickly it is scaling, and the average impact an employee may have when joining.
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Prospect Projected Future Lightmatter Prices
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Company Description
Lightmatter is a computer hardware company that uses integrated photonics to create processors for artificial intelligence. It combines electronics, photonics, and algorithms to build a computing platform specifically for AI workloads. The company's products include Envise, a machine learning accelerator; Passage, a programmable photonic interconnect that allows chip arrays to communicate; and Idiom, a software tool that interfaces with standard deep learning frameworks. Lightmatter was founded in 2017 by Nicholas Harris and Darius Bunandar.
The company is focused on advancing photonic technology for use in AI and supercomputing. In a recent development, Lightmatter demonstrated a 16-wavelength bidirectional link at the Supercomputing 2025 conference. The company also secured $400 million in a Series D funding round in November 2024. Key personnel have received industry recognition, with Founder and CEO Nicholas Harris being elected to the Optica 2026 Fellows Class and Head of IT, Security, & Facilities Aaron Katske being named a Midmarket Marvel by MES Computing.
- GV (Google Ventures)
- Viking Global Investors
- T. Rowe Price
- Fidelity Management & Research Company
- Hewlett Packard Enterprise (HPE) Pathfinder
- Lockheed Martin
- SIP Global Partners
- Matrix Partners
- Spark Capital
- Co-Founder, Nicholas Harris
- Co-Founder, Darius Bunandar
- Co-Founder, Thomas Graham
Peer Group Comparison
Vs Peer Group of >$4B Startups
Frequently Asked Questions
Joining Anduril as an employee is another way to acquire equity, typically through stock options included in compensation packages.
Is Lightmatter worth joining?
Deciding whether to join any company is a personal choice that depends on your career goals and financial situation. To make an informed decision, it's crucial to understand the potential value of your equity compensation, which tools like Prospect can help you model and analyze.
What should I do with my Lightmatter stock?
Managing stock in a private company like Lightmatter involves creating a personalized strategy that considers your financial goals and tax implications. Platforms like Prospect offer tools to develop tax-optimized option exercise strategies and model different financial scenarios.
Can you sell Lightmatter stock?
As Lightmatter is a private company, you generally cannot sell shares on a public stock exchange. Selling is typically possible during specific events like tender offers or on secondary markets, and requires company approval.
How can I find the value of my Lightmatter stock?
The value of private stock is often determined by the company's latest 409A valuation, which is used for tax purposes. For a forward-looking estimate, you can use platforms like Prospect, which employ predictive models to forecast the future value of your shares.
What is Lightmatter's equity worth?
The worth of Lightmatter's equity is tied to its overall private valuation, which is updated during funding rounds and isn't publicly disclosed. Your personal equity value is based on the number of shares you hold and the current 409A valuation.
What is Lightmatter's stock ticker symbol?
Since Lightmatter is a private company, it is not traded on a public stock exchange and therefore does not have a stock ticker symbol. Ticker symbols are only assigned to companies once they complete an Initial Public Offering (IPO).
Can I buy or sell Lightmatter stock?
For employees, "buying" stock typically means exercising your vested options, while selling is restricted to company-sanctioned events like tender offers or secondary market sales. Tools from Prospect can help you navigate the tax and financial implications of both exercising and selling private shares.
What is the criteria to buy or invest in Lightmatter stock?
Investing in a private company like Lightmatter is generally restricted to employees receiving equity compensation or accredited investors participating in private funding rounds. The general public cannot typically buy shares until after a company goes public.
