Princeton Critical Minerals
PrivateLast Round
Series A
Aug 12, 2026
Total Funding Raised
$28.05M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Princeton Critical Minerals is a cleantech company that develops and commercializes technologies to improve the efficiency of critical mineral extraction, such as lithium, from brine sources.
Sector
Energy & Sustainability
Verticals
Sustainable Materials, Circular Economy, Water Treatment
Business Model
B2B
Customer Profile
Services & Consulting, Government Contracts, Hardware + Subscription
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Princeton Critical Minerals Comparables
Compare Princeton Critical Minerals with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Lithios | 82% | |
| ElectraLith | 82% | |
| Lilac Solutions | 79% | |
Princeton Critical Minerals Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Aug 12, 2026 | ||||
| Grant | Mar 26, 2026 | ||||
| Series A | Mar 12, 2026 | ||||
| Seed | Feb 1, 2024 | ||||
| Accelerator | Jan 1, 2023 |
Princeton Critical Minerals Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| New Jersey Economic Development Authority | Series A |
| The Grantham Foundation for the Protection of the Environment | Series A |
| Black Forest Ventures | Series A |
| Prospect Innovation | Series A |
| SOSV | Seed, Accelerator, Series A |
| HAX | Seed, Accelerator |
| US Department of Energy (ARPA-E) | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 12, 2026
$11M round led by SOSV.
- Feb 1, 2024
$3M raised with participation from SOSV and HAX.
Princeton Critical Minerals Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Princeton Critical Minerals's valuation, stock price, and market status.