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radiantnuclear.com

Radiant Stock

Company Profile:

Radiant is a company developing portable nuclear microreactors designed to replace diesel generators, providing clean and resilient power solutions. Their flagship product, Kaleidos, is a compact reactor capable of generating electricity and thermal power for heating or water desalination. Kaleidos operates without on-site water use, utilizing air cooling, and features a passive cooling system for enhanced safety.

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  • Headquarters: El Segundo, CA
  • Year Founded: 2019
  • Sector: Energy

Radiant Stock Price Chart

The below graph shows the estimated historical Radiant stock price as of last month, known as the Tape D® price. The Radiant Tape D® price is based on market activity, publicly-sourced valuation data, and other proprietary information. Create an account to see the current estimated Radiant price per share.

Radiant Stock Price Per Share

$23.16 +$13.23 (+133.23%)
Updated Nov, 2025
6 Months 12 Months 24 Months
Radiant Stock Price Per Share
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Radiant Funding

Sign up to gain insights into Radiant funding history, including the funding round, time period, and amount raised.

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Financing Round Date Amount Price per share* Valuation*
Series D Feb 13, 2025 65.00M
Price
Valuation
Series C Oct 23, 2024 100.00M
Price
Valuation
Series B Apr 04, 2023 40.71M
Price
Valuation
Series A Feb 18, 2022 612.50K
Price
Valuation
Series A Feb 18, 2022 10.32M
Price
Valuation
Series A Feb 18, 2022 650.00K
Price
Valuation
Series A Feb 18, 2022 717.50K
Price
Valuation
Series A Feb 18, 2022 314.99K
Price
Valuation

*Access the PPS, Valuation details, and a wealth of other data by signing up. Source: Nasdaq Private Market Tape D®

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Radiant Management Team

  • CEO, Co-Founder

    Douglas Bernauer

  • Co-Founder, CTO

    Robert Urberger

  • Board Member

    Stephen Burns

  • Board Member

    Rachel Slaybaugh

  • Board Member

    David Ulevitch

Radiant Major Investors

  • Washington Harbour Partners

  • Union Square Ventures

  • Founders Fund

  • McKinley Alaska

  • Felicis Ventures

  • Draper Fisher Jurvetson (DFJ)

  • Decisive Point

  • DCVC

  • Chevron Technology Ventures Investments

  • Cantos Ventures

  • Boost VC

  • Andreessen Horowitz

Learn More About Radiant Stock

Buy Radiant Stock
01

Radiant stock does not trade on public stock exchanges. Radiant stock is considered a private security and you need to be an accredited investor to trade shares. To invest in Radiant stock you can either buy shares directly through the company or work with a secondary trading marketplace like Nasdaq Private Market.

Learn more about the secondary market for private company shares on the investors page.

Sell Radiant Stock
02

Radiant Stock does not trade on public stock exchanges. In order to sell Radiant shares you need to work directly with the company or with a secondary trading marketplace like Nasdaq Private Market. NPM has more than a decade of experience helping sell shares on the private market to our network of institutional investors.

Learn more about NPM services for selling privately held stock on the Employee Shareholders page.

Read more about how to sell private company stock on the private secondary market:

Radiant Stock Price
03

Nasdaq Private Market estimates that Radiant price per share was $23.16 last month. This Radiant share value estimate (known as the Tape D™ price) is based on market activity, publicly-sourced valuation data, and other proprietary information. With Tape D premium for investors, you can get visibility into the Radiant share price today and the factors driving Radiant valuation estimates. Learn more about premium data here.

Read more about private company stock prices: Understanding the Bid-Ask Spread: How Buyers and Sellers Match on Price

Radiant Stock Ticker Symbol
04

There is no ticker symbol for Radiant stock because it is a private company. Private companies do not have ticker symbols like public companies, they are identified primarily by using the company ‘street’ name or legal name.

Criteria to Sell Radiant Stock
05

Nasdaq Private Market currently works with employees, ex-employees, and other company investors. In order to sell Radiant stock you need to receive the company’s approval, which Nasdaq Private Market manages on your behalf.

Learn more about selling privately held stock on the Employee Shareholders page.

Read more about how to sell shares of a private company and eligibility for selling privately held stock:

Criteria to Buy or Invest in Radiant Stock
06

Currently, Nasdaq Private Market only works with accredited entities and institutional investors to purchase private company stock. In order to invest in Radiant stock, you need to be an accredited entity or institutional investor.

Learn more about the Nasdaq Private Market tool kit for investors on the Investor Trading page.

Radiant Stock Settlement
07

Once you buy or sell, stock share ownership must transfer before funds are wired. With Nasdaq Private Market, clients leverage our patent-pending Transfer and Settlement technology which streamlines and manages transfer activity from match to settlement.

To learn more about private company stock Transfer and Settlement, check out the Transfer and Settlement page.

Radiant IPO
08

Radiant is a private company and has not had an IPO. There is currently no Radiant IPO price. Get started to begin exploring the Nasdaq Private Market Tape D™ database and gain access to actionable data related to Radiant IPO.

Learn more about Tape D™ private company stock data for institutional investors on the on the Tape D™ Product Page.

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*All trademarks are the property of their respective owner(s). Unless expressly stated otherwise, companies listed on this site are not sponsoring, endorsing, or otherwise affiliated with, Nasdaq Private Market, LLC, and none of the statements on this website should be attributed to a listed company.

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Source: Nasdaq Private Market Tape D®