SolarMantle
PrivateLast Round
Grant
Feb 4, 2026
Total Funding Raised
$355,000
Company Overview
SolarMantle operates in Energy & Sustainability and is based in Somerville, Massachusetts. Its latest recorded funding round was a Grant round in February 2026.
SolarMantle is a climate-tech company that develops passive radiative cooling thin film materials designed to reduce heat absorption and energy consumption in buildings, data centers, and transportation infrastructure.
Sector
Energy & Sustainability
Verticals
Advanced Materials, Energy Management, Sustainable Materials, Green Building
Business Model
B2B
Customer Profile
Hardware Sales
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
SolarMantle Comparables
Compare SolarMantle with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Radi-Cool, Inc. | 87% | |
| SPACECOOL INC. | 86% | |
| ChillSkyn Inc. | 85% |
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SolarMantle Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Feb 4, 2026 | ||||
| Grant | Sep 1, 2025 | ||||
| Accelerator | Jan 1, 2025 |
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Key People
Founding team and executive leadership
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SolarMantle Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Illinois Department of Commerce and Economic Opportunity | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- May 17, 2026
Monthly visitors grew 101% MoM.
- Jan 1, 2025
Raised an accelerator round with Chevron Studio and REVOLUTION Turbine Technologies.
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SolarMantle 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.
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Frequently Asked Questions
Common questions about SolarMantle's valuation, stock price, and market status.
Is SolarMantle a public or private company?
SolarMantle is a private company.
What is the current stock price of SolarMantle?
SolarMantle is a private company, so its shares have no public market price. Caplight tracks SolarMantle's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is SolarMantle worth (valuation)?
Valuation information for SolarMantle is not publicly available.
Can I buy SolarMantle stock?
SolarMantle shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was SolarMantle's last funding round?
SolarMantle's most recent funding round was Grant on February 4, 2026.
Who are the main investors in SolarMantle?
Key investors in SolarMantle include Illinois Department of Commerce and Economic Opportunity.
Will SolarMantle IPO soon?
No public IPO plans have been announced for SolarMantle.
How can I track SolarMantle secondary market activity?
Caplight tracks bids, offers, and trades in SolarMantle's shares on secondary markets.