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Celestial AI

Celestial AI is a semiconductor company developing its Photonic Fabric technology, which uses optical interconnects to scale AI compute.

$4.79

Secondary Market Price

Updated: 
Jan 2026
Current Preferred Price
Date:
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Prospect Projected Preferred
Current FMV
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Prospect Projected FMV
$2.5B
Company Valuation
Updated: 
Jan 2026
Computing
Industry
Santa Clara, CA
Headquarters
2020
Year Founded
140+
Employee Count

How Celestial AI Measures Up

To help you manage your Celestial AI 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 C

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.

$4.79
Est val $2.5B
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Jan 13, 2026

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Prospect Projected Future Celestial AI Prices

Prospect’s machine learning model has been trained on the same data top-tier investors use to project the likely range of outcomes for Celestial AI's equity. Create a free account to view 10th-90th percentile projections over 2, 4, and 6 years.

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Company Description

Celestial AI is a semiconductor company focused on developing photonic interconnect technology for AI and data center infrastructure. The company’s main product is the Photonic Fabric, a technology platform that enables high-bandwidth and low-latency data transfer between chips and across server racks using light, aiming to overcome the performance bottlenecks of traditional electronic interconnects. Founded in 2020, the Santa Clara-based company has since focused on developing its optical interconnect solutions, securing funding, and establishing a supply chain and partner ecosystem.

A significant recent development for the company is a definitive agreement to be acquired by Marvell Technology, a deal valued at up to $5.5 billion that is expected to close in early 2026. This announcement followed a $255 million Series C funding round in April 2025. Celestial AI has also reported a design win with an unnamed hyperscaler that is moving toward production. In 2025, the company's co-founder and CEO, David Lazovsky, was recognized by Goldman Sachs as one of its Most Exceptional Entrepreneurs.

Celestial AI Notable Investors

  • Fidelity Management & Research Company
  • BlackRock
  • Maverick Silicon
  • Tiger Global Management
  • Koch Disruptive Technologies
  • Temasek
  • Xora Innovation
  • Porsche Automobil Holding SE
  • The Engine Ventures
  • United States Innovative Technology Fund
  • AMD Ventures
  • Samsung Catalyst Fund
  • IMEC XPand
  • Penguin Solutions
  • VentureTech Alliance
  • IAG Capital Partners
  • Smart Global Holdings
  • M Ventures
  • Tyche Partners

Celestial AI Founders

  • Co-Founder, David Lazovsky
  • Co-Founder, Preet Virk
  • Co-Founder, Michelle Tomasko

Peer Group Comparison

Vs Peer Group of >$4B Startups

Frequently Asked Questions

Is Anduril worth joining?

Joining Anduril as an employee is another way to acquire equity, typically through stock options included in compensation packages.

Is Celestial AI worth joining?

Deciding whether to join any startup is a personal choice that depends on your career goals and risk tolerance. If you receive an equity offer, platforms like Prospect can help you understand its potential value and manage it effectively.

What should I do with my Celestial AI stock?

Managing private company stock involves complex tax and financial planning to maximize its value. Using a platform like Prospect can provide you with personalized, tax-optimized strategies for exercising options and selling shares.

Can you sell Celestial AI stock?

As a private company, selling Celestial AI stock is typically restricted and only possible during company-approved liquidity events like a tender offer or on a secondary market. Tools like those offered by Prospect can help you navigate these opportunities and decide which shares are most tax-optimal to sell.

How can I find the value of my Celestial AI stock?

The current value of private stock is determined by a 409A valuation, but this does not reflect its potential future worth. You can use platforms like Prospect, which employ predictive models to help forecast the long-term value of your equity holdings.

What is Celestial AI's equity worth?

The true worth of a private company's equity is not fully known until a liquidity event, such as an IPO or acquisition. Financial modeling tools from services like Prospect can help you estimate the potential post-tax value of your shares under various future scenarios.

What is Celestial AI's stock ticker symbol?

As a privately held company, Celestial AI is not traded on a public stock exchange and therefore does not have a stock ticker symbol. Ticker symbols are only assigned to companies when they become publicly listed.

Can I buy or sell Celestial AI stock?

Buying stock in a private company is generally limited to accredited investors or employees, while selling is restricted to specific windows like tender offers. Platforms such as Prospect are designed to help employees manage and sell the equity they already own when opportunities arise.

What is the criteria to buy or invest in Celestial AI stock?

Investing in a private company like Celestial AI is typically restricted to accredited investors who meet certain income or net worth thresholds defined by financial regulators. Employees, however, can receive equity as part of their compensation package without meeting these criteria.

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