Who has invested in Mariana Minerals?

a16z, Breakthrough Energy Ventures, Khosla Ventures are named among the investors backing Mariana Minerals.

Mariana Minerals Funding: $85M Raised, Series A (2025)

Mariana Minerals funding overview

Mariana Minerals has raised $85M in total disclosed funding. That places its disclosed total in the $25M–$100M range. Its most recent disclosed round is a Series A announced in July 2025. The round record for Mariana Minerals runs through 2025; nothing later has been disclosed. Investors on record include a16z, Breakthrough Energy Ventures, Khosla Ventures. 3 distinct backers are named across the disclosed rounds.

Mariana Minerals at a glance

Total raised: $85M
Latest round: Series A
Latest round date: July 2025
Notable investors: a16z, Breakthrough Energy Ventures, Khosla Ventures

Frequently asked about Mariana Minerals funding

How much has Mariana Minerals raised?: Mariana Minerals has raised $85M in total disclosed funding across the rounds on record.
Who has invested in Mariana Minerals?: a16z, Breakthrough Energy Ventures, Khosla Ventures are named among the investors backing Mariana Minerals.
What was the latest Mariana Minerals funding round?: The most recent disclosed round is a Series A, announced in July 2025.
Where is Mariana Minerals based?: No headquarters location is disclosed for Mariana Minerals.
When did Mariana Minerals last raise?: The last disclosed Mariana Minerals round closed in July 2025 at Series A.

Mariana Minerals totals reflect disclosed capital only — undisclosed extensions and secondaries are excluded. Use the related companies below to benchmark round size and investor mix.

Mariana Minerals Funding: $85M Raised, Series A (2025)

Mariana Minerals funding overview

Mariana Minerals at a glance

Frequently asked about Mariana Minerals funding

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