companies / marianaminerals-com
Generated UTC · publication cutoff 2026-11-09
Insufficient cited evidence for a two-sentence summary.
Mariana Minerals was listed in Khosla Ventures's portfolio, recorded 2026-09-27.
Mariana Minerals was listed in Greycroft's portfolio, recorded 2026-09-29.
verified=2026-05-26 json
| total_raised | 85,000,00085.0M | ○ |
|---|---|---|
| founded | 2023 | |
| hq | US | |
| industry | unknown | |
| stage | series-a |
Mariana Minerals is a software-first, vertically integrated minerals operator producing copper, lithium, and nickel for energy, AI, and defense supply chains. It serves utilities, EV battery makers, AI hyperscalers, and US defense customers needing domestic critical-minerals sourcing. The team positions itself as the only software-first minerals project developer and operator.
No cited completed company acquisition recorded.
Dated disclosures. Customer relationships and classifications are historical; ARR is separate from revenue.
No cited disclosure recorded: named customer, disclosed revenue, ARR, count, B2B / B2C, sector, go-to-market.
No cited valuation with an explicit basis is recorded.
Historical post-money / actual annual or stated TTM revenue. Same currency; economic valuation date within 90 days of revenue period end, inclusive. No FX, ARR, annualized revenue, estimates or projections. Conflicts and ambiguous ties are withheld.
No qualifying pair recorded.
| date | type | amount | lead | src |
|---|---|---|---|---|
| 2025-07-01 | series-a | 85,000,00085.0M | null | ○ |
| investor | src |
|---|---|
| Andreessen Horowitz | ○ |
| Khosla Ventures | ○ |
| Greycroft | ○ |
doubleclick floodlight, framer sites, google analytics, google tag manager, hsts, http/3, moment 0, mongodb, mysql, node.js, php, react 16.13.1
| fact | status | src |
|---|---|---|
| Series A, $85.0M | attributed | ○ |
| Investor Greycroft | sourced | WEB |
| Investor Khosla Ventures | sourced | WEB |
| existence | self-reported | WEB |
| description | self-reported | WEB |
| date | fact | change | src |
|---|---|---|---|
| 2026-09-29provenance_investor_greycroft: unknown → sourced, WEB 2026-09-29 | provenance_investor_greycroft | unknown → sourced | WEB 2026-09-29 |
| 2026-09-27latest_round: series-a, $85.0M, 2025-07-01, lead: a16z → series-a, $85.0M, 2025-07-01, lead: null, ○ 2026-05-26 | latest_round | series-a, $85.0M, 2025-07-01, lead: a16z → series-a, $85.0M, 2025-07-01, lead: null | ○ 2026-05-26 |
| 2026-09-27provenance_investor_khosla: unknown → sourced, WEB 2026-09-27 | provenance_investor_khosla | unknown → sourced | WEB |
Records begin 2026-09-24. all_changes