Who Just RaisedMariana Minerals Co.
San Francisco, CA · Energy
Mariana Minerals Co. is an energy company based in San Francisco, California. In a Form D filed with the SEC on August 6, 2026, it reported raising $310,499,477 from 23 investors as part of an offering of up to $310,499,477. The first sale in the offering took place on July 22, 2026.
Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies.
- Website
- marianaminerals.com
- Amount raised
- $310,499,477
- Offering size
- $310,499,477
- Investors so far
- 23
- First sale
- July 22, 2026
- Securities offered
- Equity
- Exemption claimed
- Rule 506(b)
- Industry
- Energy
- Headquarters
- San Francisco, California
- Incorporated
- Delaware, 2024
- Entity type
- Corporation
Filings
| Filed | Form | Raised | Offering size | Investors | Source |
|---|---|---|---|---|---|
| D (new notice) | $310,499,477 | $310,499,477 | 23 | SEC filing |
Figures come from the company's own filing with the SEC and are shown as reported. How to read a Form D.
Other energy raises in California
| Company | Location | Sector | Raised | Target | Filed |
|---|---|---|---|---|---|
| Enteligent Inc. | Morgan Hill, CA | Energy | $6.7M | $10M | |
| Aikido Technologies, Inc. | San Francisco, CA | Energy | $1.7M | $2M | |
| Nuvve Holding Corp. | San Diego, CA | Energy | $280K | $280K | |
| Sunrun Inc. | San Francisco, CA | Energy | — | $100 | |
| Nuvve Holding Corp. | San Diego, CA | Energy | $14.7M | $14.7M | |
| Gasentec Holdings, Inc. | San Francisco, CA | Energy | $15.5M | $50M |