Coolbrook
PrivateLast Round
Grant
Jun 29, 2026
Total Funding Raised
$9.34M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Coolbrook is a cleantech engineering company that develops electrified turbomachinery technology to decarbonize high-temperature industrial processes in sectors such as petrochemicals, steel, and cement.
Sector
Energy & Sustainability
Verticals
Clean Manufacturing, Smart Manufacturing, Renewable Energy
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Coolbrook Comparables
Compare Coolbrook with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Rondo Energy | 79% | |
| HyperHeat | 78% | |
| Antora Energy | 78% |
Coolbrook Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Jun 29, 2026 | ||||
| Debt | Oct 31, 2023 | ||||
| VC Round | Oct 26, 2022 | ||||
| VC Round | Jul 27, 2021 | ||||
| Grant | Jul 27, 2021 |
Key People
Founding team and executive leadership
Coolbrook Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Business Finland | Grant |
| Nordic Environment Finance Corporation | Debt |
| Netherlands Ministry of Economic Affairs and Climate Policy | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jun 29, 2026
$2.85M grant received from Business Finland.
- Jan 1, 2026
Monthly visitors increased 69% MoM, reaching 4.1K.
Coolbrook 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 Coolbrook's valuation, stock price, and market status.
Is Coolbrook a public or private company?
Coolbrook is a private company.
What is the current stock price of Coolbrook?
Coolbrook is a private company with no public stock price. No recent secondary market data is available.
How much is Coolbrook worth (valuation)?
Valuation information for Coolbrook is not publicly available.
Can I buy Coolbrook stock?
Coolbrook 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 Coolbrook's last funding round?
Coolbrook's most recent funding round was Grant on June 29, 2026.
Who are the main investors in Coolbrook?
Key investors in Coolbrook include Nordic Environment Finance Corporation.
Will Coolbrook IPO soon?
No public IPO plans have been announced for Coolbrook.
How can I track Coolbrook secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Coolbrook's secondary market activity and sign up for updates.