Mariana Minerals
PrivateLast Round
Series B
Aug 3, 2026
Est. Valuation
$1.5B
Total Funding Raised
$393.53M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
Mariana Minerals is a software-first, vertically integrated minerals company that develops and operates projects to supply critical minerals for the energy, AI, and defense technology sectors.
Sector
Frontier & Industrial Tech
Verticals
Advanced Materials, Sustainable Materials, Supply Chain, Defense Tech, Electric Vehicles
Business Model
B2B
Customer Profile
Hardware Sales, Government Contracts, Services & Consulting
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Mariana Minerals Comparables
Compare Mariana Minerals with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Plum Acquisition Corp. IV | 72% | |
| ExxonMobil | 71% | |
| USA Rare Earth | 69% | |
Mariana Minerals Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Aug 3, 2026 | ||||
| Series B | Jun 1, 2026 | ||||
| Series A | Jul 21, 2025 | ||||
| Seed | Sep 27, 2024 |
Key People
Founding team and executive leadership
Mariana Minerals Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Andreessen Horowitz | Series B, Series A |
| Halo Experience Company | Series B |
| F4 Fund | Seed |
| Greenoaks Capital Partners | Series B |
| Washington Harbour Partners | Series B |
| Khosla Ventures | Seed, Series A, Series B |
| The Halo Fund | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 3, 2026
$310M round led by Khosla Ventures
- Jul 13, 2026
Open roles increased to 144, 148% of headcount.
Mariana Minerals 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 Mariana Minerals's valuation, stock price, and market status.