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.
- Jun 30, 2026
Grew 19% QoQ, from 26 to 31 employees.
- May 22, 2026
Grew 24% quarter-over-quarter, from 21 to 26 employees.
Mantle8 Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Mantle8's valuation, stock price, and market status.