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Endolith

Arvada, CO · Founded 2023 · Privately Held (backing)

Operator of a mining company intended to deliver the critical minerals essential for a cleaner energy future. Endolith is based in Arvada, CO and was founded in 2023. It was valued at $50 million at its early-stage round in Oct 2025, the last priced event on record. It has raised $20.8 million across 2 recorded rounds; the latest was a $13.8 million early-stage round in Oct 2025.

PMV mark · valuation
$50.0M
Oct 2026
Priced at
its early-stage round
Oct 2025
Total raised
$20.8M
Last round
Early Stage VC
Oct 2025

Endolith key facts

as of Oct 2026
  • Operator of a mining company intended to deliver the critical minerals essential for a cleaner energy future.
  • Endolith is valued at approximately $50.0M as of Oct 2026, set at its early-stage round, Oct 2025; nothing has traded since, per PrivateMarketView’s mark.
  • It has raised $20.8M across 2 recorded rounds; the latest was Early Stage VC ($13.8M) in Oct 2025.
  • Notable investors include Alumni Ventures, Mana Ventures, Gaingels, U.S. Department of Energy, Draper Associates — 20 tracked in total.
  • 2 investment vehicles were formed to buy Endolith shares in the last 12 months, reporting $3.3M sold to 175 investors, per SEC Form D filings.
  • Endolith has filed 2 Form Ds with the SEC since 2024, most recently Nov 2025 ($13.8M sold to 16 investors).
  • Status: Privately Held (backing).
PrivateMarketView mark
MEDIUM confidence
$50.0M

Valued at $50.0M at its early-stage round, Oct 2025. Nothing has traded since.

set by its last priced roundas of Oct 2026question about this number?
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Endolith funding rounds

2 rounds
Oct 2025Early Stage VC$13.8MSEC filing▮
Mar 2024Early Stage VC$5.3MSEC filing▮
Full funding history →

Vehicles formed to buy Endolith shares

secondary demand · SEC Form D filings

In the last 12 months, 2 investment vehicles were formed to buy Endolith shares, reporting $3.3M sold to 175 investors across 2 sponsors. Most recent filing Jan 2026.

The vehicle list — each sponsor, filing date, amount sold and investor count — is a Pro table. Unlock the 2 vehicles →

Membership and data by Private Market View

Companies with the most vehicle activity →

Endolith valuation

Endolith was valued at $50 million at its early-stage round in Oct 2025. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has Endolith raised?

Endolith has raised $20.8 million across 2 recorded rounds since 2024. The largest was a $5.3 million early-stage round in Mar 2024; the most recent was a $13.8 million early-stage round in Oct 2025.

Endolith has filed 2 Form Ds with the SEC since 2024, most recently in Nov 2025 ($13.8 million sold to 16 investors).

Institutional holders and vehicles

In the last 12 months, 2 investment vehicles were formed to buy Endolith shares, reporting $3.3 million sold to 175 investors across 2 sponsors, per SEC Form D filings (most recent Jan 2026).

Endolith investors

20 investors are on record for Endolith, including Alumni Ventures, Mana Ventures, Gaingels and U.S. Department of Energy. By type, the record holds 5 venture capital firms. The early-stage round in Oct 2025 drew 16 investors.

About Endolith

Operator of a mining company intended to deliver the critical minerals essential for a cleaner energy future. The company leverages the power of microbes, synthetic biology and cloud computing to transform how copper is extracted, enabling clients to achieve a reduced environmental impact.

Sector
Materials and Resources
HQ
Arvada, CO, United States
Founded
2023
Employees
26
Ownership
Privately Held (backing)

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