Mariana Minerals

Houston, TX · Founded 2024 · Privately Held (backing)

Developer of a software-first minerals platform designed to produce critical materials for energy, AI, and defense technologies. Mariana Minerals is based in Houston, TX and was founded in 2024. It was valued at $775 million at its Series A in Apr 2026, the last priced event on record. It has raised $83.5 million across 3 recorded rounds; the latest was a $73.5 million Series A in Apr 2026.

PMV mark · valuation
$775.0M
Oct 2026
Priced at
its Series A
Apr 2026
Total raised
$83.5M
Last round
Early Stage VC (Series A)
Apr 2026
How much has Mariana Minerals raised?
$83.5Macross 3 recorded rounds

Most recently, Mariana Minerals raised $73.5M in its Early Stage VC (Series A) (Apr 2026).

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Mariana Minerals round by round

3 rounds
Apr 2026Early Stage VC (Series A)$73.5M▮
+ 5 more investors · free account
Sep 2024Seed Round$10.0M▮
+ 2 more investors · free account
—Early Stage VC$75.0M▮

How much has Mariana Minerals raised?

Mariana Minerals has raised $83.5 million across 3 recorded rounds since 2024. The largest was a $75 million early-stage round; the most recent was a $73.5 million Series A in Apr 2026. 1 of the rounds disclosed a post-money valuation.

Mariana Minerals has filed 1 Form D with the SEC, most recently in Apr 2026 ($73.5 million sold to 27 investors).

Mariana Minerals investors

5 investors are on record for Mariana Minerals, including Andreessen Horowitz, Khosla Ventures, Breakthrough Energy and Earthshot Ventures. The Series A in Apr 2026 drew 5 investors.

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Frequently asked about Mariana Minerals

How much has Mariana Minerals raised?
Mariana Minerals has raised $83.5M in total across 3 recorded funding rounds.
When was Mariana Minerals's last funding round?
Mariana Minerals's most recent recorded round was Early Stage VC (Series A) in Apr 2026, raising $73.5M.