Kairos Power
PrivateLast Round
Strategic
Sep 21, 2026
Est. Valuation
$1B
Total Funding Raised
$906.8M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Kairos Power is a nuclear energy company developing a fluoride salt-cooled high-temperature reactor (KP-FHR) to provide clean, affordable, and safe energy.
Sector
Energy & Sustainability
Verticals
Renewable Energy, Advanced Materials, Clean Manufacturing, Construction Tech
Business Model
B2G
Customer Profile
Government Contracts, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Kairos Power Comparables
Compare Kairos Power with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| X-energy | 86% | |
| TerraPower | 81% | |
| Terrestrial Energy Inc | 79% |
Kairos Power Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Strategic | Sep 21, 2026 | ||||
| Grant | Feb 21, 2024 | ||||
| Growth Equity | Dec 1, 2023 | ||||
| Grant | Dec 16, 2020 | ||||
| Debt | Apr 13, 2020 | ||||
Grant | Mar 26, 2020 |
Key People
Founding team and executive leadership
Kairos Power Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| The Yucaipa Companies | Series A, Series B, Series D, Growth Equity |
| Khosla Ventures | Growth Equity |
| Prelude Ventures | Growth Equity |
| Breakthrough Energy Ventures | Series A, Series B, Series D, Growth Equity |
| Lowercarbon Capital | Growth Equity |
| Schooner Capital | Series A, Series B, Series D, Growth Equity |
| Department of Energy | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 21, 2026
Raised $70M Strategic round
- Aug 21, 2026
Monthly visitors increased 34% MoM.
Kairos Power Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Kairos Power's valuation, stock price, and market status.
Is Kairos Power a public or private company?
Kairos Power is a private company.
What is the current stock price of Kairos Power?
Kairos Power is a private company with no public stock price. No recent secondary market data is available.
How much is Kairos Power worth (valuation)?
Kairos Power's valuation is estimated at $1.0B based on funding round data.
Can I buy Kairos Power stock?
Kairos Power shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Kairos Power's last funding round?
Kairos Power's most recent funding round was Grant on December 13, 2023.
Who are the main investors in Kairos Power?
Key investors in Kairos Power include Department of Energy.
Will Kairos Power IPO soon?
No public IPO plans have been announced for Kairos Power.
How can I track Kairos Power secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Kairos Power's secondary market activity and sign up for updates.