Boston Materials
PrivateLast Round
Series B
Nov 7, 2024
Total Funding Raised
$52.34M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Boston Materials operates in Frontier & Industrial Tech and is based in Billerica, Massachusetts. Its latest recorded funding round was a Series B round in November 2024.
Boston Materials is an advanced materials company that manufactures Z-axis Fiber™ composite materials for the semiconductor, aerospace, and electrified vehicle industries.
Sector
Frontier & Industrial Tech
Verticals
Advanced Materials, Sustainable Materials, Consumer Electronics
Business Model
B2B
Customer Profile
Hardware Sales
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Boston Materials Comparables
Compare Boston Materials with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Arris Composites | 79% | |
| Armory Technologies | 73% | |
| Mitsubishi Chemical Group | 72% |
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Boston Materials Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Nov 7, 2024 | ||||
| Series A Extension | Nov 3, 2022 | ||||
| Series A | May 20, 2021 | ||||
| Grant | May 19, 2020 | ||||
| Grant | Apr 1, 2020 | ||||
Seed | Mar 19, 2019 |
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Key People
Founding team and executive leadership
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Boston Materials Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Diamond Edge Ventures | Series B |
| Good Growth Capital | Series A Extension |
| Massachusetts Clean Energy Center | Grant |
| Clean Energy Venture Group | Seed |
| GS Group | Series A Extension |
| Collaborative Fund | Series B |
| Woori Venture Partners Co., Ltd. | Series B |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 20, 2026
Monthly visitors increased 49% MoM.
- Oct 1, 2025
Launched 'Liquid Metal ZRT' thermal interface material for AI infrastructure.
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Boston Materials Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Boston Materials's valuation, stock price, and market status.
Is Boston Materials a public or private company?
Boston Materials is a private company.
What is the current stock price of Boston Materials?
Boston Materials is a private company, so its shares have no public market price. Caplight tracks Boston Materials's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Boston Materials worth (valuation)?
Valuation information for Boston Materials is not publicly available.
Can I buy Boston Materials stock?
Boston Materials shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Boston Materials's last funding round?
Boston Materials's most recent funding round was Series B on November 7, 2024.
Who are the main investors in Boston Materials?
Key investors in Boston Materials include Diamond Edge Ventures, Good Growth Capital, Massachusetts Clean Energy Center, Valo Ventures, National Science Foundation.
Will Boston Materials IPO soon?
No public IPO plans have been announced for Boston Materials.
How can I track Boston Materials secondary market activity?
Caplight tracks bids, offers, and trades in Boston Materials's shares on secondary markets.