Mariana Minerals: Valuation, Funding & Investors
Mariana Minerals is a software-first, vertically integrated critical minerals company focused on exploration, development, and production of minerals essential for clean energy and advanced technologies. The company combines project development with a proprietary software platform, MarianaOS, to optimize mineral project acquisition, management, and deployment.
Leadership & Board
Key Executives
- Founder
- Turner Caldwell
- Founder
- Juan Lozano
- Founder
- Baker Tilney
- Current Number of Employees
- 212
- Current LinkedIn Followers
- 13,526
Latest Estimated Valuation
- Total Amount Raised
- $310M
- Total Funding Rounds
- 1
- Latest Funding Amount
- $310M
- Latest Funding Round
- Series B
Company Momentum
PositiveMariana Minerals LinkedIn following is increasing, signaling rising market interest, while its workforce is growing, indicating business expansion.
Employee Trend
Mariana Minerals had 212 employees as of November 2, 2026. The number of employees increased by 0 (0.00%) week-over-week.
Social Trend
Mariana Minerals had 13,526 followers as of November 2, 2026. The number of followers increased by 282 (2.13%) week-over-week.
Funding Round
| Funding Date | Funding Round | Amount Raised | Post-Money Valuation |
|---|---|---|---|
| Aug 03, 2026 | Series B | $310.00M | ― |
Investors
| Investor Name | Funding Round |
|---|---|
| Khosla Ventures | Series B |
| Andreessen Horowitz | Series B |
| Breakthrough Energy Ventures | Series B |
| Greenoaks | Series B |
| Halo Fund | Series B |
| Pax Ventures | Series B |
| StepStone Group | Series B |
| BHP Ventures | Series B |
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