Kairos Power
PrivateLast Round
Early Funding
Oct 14, 2026
Est. Valuation
$1B
Total Funding Raised
$1.3B
Momentum
Top 1%
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
Business Model
B2B
Customer Profile
Government Contracts, Hardware Sales, 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 | 85% | |
| TerraPower | 83% | |
| Oklo | 83% |
Kairos Power Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Early Funding | Oct 14, 2026 | ||||
| Strategic | Sep 21, 2026 | ||||
| Grant | Feb 21, 2024 | ||||
| Growth Equity | Dec 1, 2023 | ||||
| Grant | Dec 1, 2020 | ||||
Debt | Apr 13, 2020 |
Key People
Founding team and executive leadership
Kairos Power Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| GV | Early Funding |
| The Yucaipa Companies | Series C, Series A, Series B, Series D, Growth Equity |
| Khosla Ventures | Growth Equity |
| Prelude Ventures | Growth Equity |
| Breakthrough Energy Ventures | Series C, Series A, Series B, Series D, Growth Equity |
| Lowercarbon Capital | Growth Equity |
| Schooner Capital | Series C, Series A, Series B, Series D, Growth Equity |
Market signals
Structured signals derived from secondary market and firmographic data.
- Oct 14, 2026
$368M raised led by GV, DCVC, and Samsung C&T.
- Sep 21, 2026
$70M round led by Samsung C&T
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, so its shares have no public market price. Caplight tracks Kairos Power's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
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.
When was Kairos Power's last funding round?
Kairos Power's most recent funding round was Early Funding on October 14, 2026.
Who are the main investors in Kairos Power?
Key investors in Kairos Power include GV, Department of Energy, DCVC (Data Collective).
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 in Kairos Power's shares on secondary markets.