Boston Metal
PrivateLast Round
VC Round
May 20, 2026
Est. Valuation
$55M
Total Funding Raised
$609M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Boston Metal is a clean technology company that commercializes molten oxide electrolysis (MOE) to produce steel and high-value metals with zero carbon emissions.
Sector
Frontier & Industrial Tech
Verticals
Clean Manufacturing, Advanced Materials, Sustainable Materials
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Boston Metal Comparables
Compare Boston Metal with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Electra | 83% | |
| Greeniron H2 AB | 82% | |
| Helios | 78% | |
Boston Metal Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| VC Round | May 20, 2026 | ||||
| Grant | Mar 3, 2026 | ||||
| Convertible Debt | Jul 10, 2025 | ||||
| Series C Extension | Jan 30, 2024 | ||||
| Grant | Nov 27, 2023 | ||||
Series C | Sep 6, 2023 |
Key People
Founding team and executive leadership
Boston Metal Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| The Engine | Series B Extension, Series A, Series B |
| Engine Ventures | Series A, Series B |
| Climate Investment | Series B Extension, VC Round, Series C, Series B |
| International Finance Corporation | Series C |
| Prelude Ventures | Series B Extension, Series A, Series B, Series C |
| Fidelity Management & Research Company | Series B |
| Oil and Gas Climate Initiative | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- May 20, 2026
$75M round with Climate Investment and Tata Steel Limited.
- Mar 16, 2026
Equipment failure in Brazil caused operational disruptions and led to layoffs.
Boston Metal 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 Boston Metal's valuation, stock price, and market status.