Mariana Minerals
A new kind of mining company
Houston, United States · Founded 2024 · $395.0M raised
- Headquarters
- Houston, Texas
- Employees
- 51–200
- Founded
- 2024
- Business Model
- B2B
- Website
- marianaminerals.com
- Total Funding
- $395.0M
- Last Round
- $310.0M Series BAug 2026
- Rounds
- 3
About
Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying critical minerals — including lithium, copper, and nickel — for modern energy, AI, and defense technologies. The company builds an integrated software platform spanning the entire mine lifecycle, from capital project delivery to operations and chemical refining, replacing fragmented workflows with real-time coordination, telemetry-driven control, and AI-optimized decision-making. Headquartered in Houston with offices in San Francisco, Mariana has three US sites under development and aims to bring 10 mineral projects into production in 10 years. Backed by Andreessen Horowitz, the company raised $85M in Series A funding.
Summary
Mariana Minerals is an Artificial Intelligence company based in Houston, United States, founded in 2024. It has raised $395.0M in total across 3 rounds, most recently a $310.0M Series B round in Aug 2026. Investors include Khosla Ventures, Andreessen Horowitz and Breakthrough Energy Ventures.
Tech & App Stack
22 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Funding History
Sign up to view the funding chart
Create a free account with 25 free credits every month, no card needed, to unlock funding history, valuations, and tech stacks.
Aug 2026
Sign up to see all 3 rounds
Seed through Series B — per-round amounts, valuations, and who invested in each round.
Investors
Similar Companies
Anduril Industries is a defense technology company with a mission to transform US and allied mili...
Self-driving cars.
Shield AI's mission is to protect service members and innocent civilians with artificially intell...
.png)
Helsing develops AI-based defense and security solutions for national defense.
Palantir Technologies builds data integration and analytics platforms (Gotham and Foundry) for go...
Humanoid robotics company building general-purpose autonomous robots for commercial deployment
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/mariana-minerals"><img src="https://indexed.vc/api/badge/company/mariana-minerals" alt="Mariana Minerals on Indexed.vc" width="260" height="76" /></a>