Mariana Minerals Funding: $85M Raised, Series A (2025)
Mariana Minerals has raised $85M in total funding. Latest round: Series A. Backed by a16z, Breakthrough Energy Ventures, Khosla Ventures.
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.