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SolarMantle

SolarMantle

Private
Somerville, MassachusettsEnergy & Sustainabilityhttps://solarmantle.com/

Last Round

Grant

Feb 4, 2026

Total Funding Raised

$355,000

Momentum

Top 50%

of companies Caplight tracks

Company Overview

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, Green Building

Business Model

B2B

Customer Profile

Hardware Sales

AI Layer

Non-AI

Keywords

passive radiative coolingPDRCthermal managementcool roofnanoporous polymerenergy efficiencyzero-power coolingclimate techthin filmpassive coolingHVAC alternativeinfrastructure coolingmaterials sciencegreen buildingPFAS-free

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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SolarMantle Comparables

Compare SolarMantle with similar companies based on industry and business-model similarity.

SolarMantle comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Radi-Cool, Inc.
87%
SPACECOOL INC.
86%
ChillSkyn Inc.
85%

SolarMantle Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
GrantFeb 4, 2026
GrantSep 1, 2025
AcceleratorJan 1, 2025

Key People

Founding team and executive leadership

Sanjeev Kalyanaraman

Chief Executive Officer

Executive Team

SolarMantle Investors

Notable investors and investment history

SolarMantle investors
InvestorRounds
Illinois Department of Commerce and Economic OpportunityGrant

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.

Recent news

Latest coverage and updates

  • attends_eventJul 29, 2026

    SolarMantle Inc. attends event FIFA Fan Festival.

SolarMantle Filings

Explore SEC and related filing metadata, where available.

SolarMantle filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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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 with no public stock price. No recent secondary market data is available.

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. Visit https://www.caplight.com to learn more.

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 for private companies. Visit https://www.caplight.com to monitor SolarMantle's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersSomerville, Massachusetts
Employee Range3
Year Founded2025
Last FundingFeb 4, 2026

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