Mantle8
PrivateLast Round
Series A
May 13, 2026
Total Funding Raised
$41.9M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Mantle8 is an energy exploration company that develops proprietary geoscience and imaging technologies to identify and assess natural hydrogen reservoirs.
Sector
Energy & Sustainability
Verticals
Alternative Fuels, Renewable Energy, Environmental Monitoring
Business Model
B2B
Customer Profile
Services & Consulting, Data as a Service
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Mantle8 Comparables
Compare Mantle8 with similar companies based on industry and business-model similarity.
Mantle8 Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | May 13, 2026 | ||||
| Grant | Mar 10, 2026 | ||||
| Seed | Feb 7, 2025 |
Mantle8 Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| IP Group | Series A |
| European Commission | Grant |
| Sandwater | Series A |
| Breakthrough Energy Ventures | Seed, Series A |
| Wind Capital | Series A |
| Bpifrance | Series A |
| Kiko Ventures | Series A, Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 18, 2026
Grew 27% QoQ from 26 to 33 employees.
- Jun 30, 2026
Grew 19% QoQ, from 26 to 31 employees.
Recent news
Latest coverage and updates
- expands_offices_toSep 11, 2026
Mantle8 expanded offices to Dubai, United Arab Emirates, Western Asia, Asia on Sep 1st '26.
- hiresSep 8, 2026
Mantle8 hired Garcia as Regional Director, Middle East on Sep 8th '26.
- hiresSep 8, 2026
Mantle8 hired Jean-Valery Garcia as Regional Director for the Middle East on Sep 8th '26.
Mantle8 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 Mantle8's valuation, stock price, and market status.
Is Mantle8 a public or private company?
Mantle8 is a private company.
What is the current stock price of Mantle8?
Mantle8 is a private company with no public stock price. No recent secondary market data is available.
How much is Mantle8 worth (valuation)?
Valuation information for Mantle8 is not publicly available.
Can I buy Mantle8 stock?
Mantle8 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 Mantle8's last funding round?
Mantle8's most recent funding round was Series A on May 13, 2026.
Who are the main investors in Mantle8?
Key investors in Mantle8 include Sandwater, Kiko Ventures.
Will Mantle8 IPO soon?
No public IPO plans have been announced for Mantle8.
How can I track Mantle8 secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Mantle8's secondary market activity and sign up for updates.