Boston Materials key facts
as of Oct 2026- Manufacturer of advanced composite materials intended for semiconductor and datacenter thermal management and lightweight aerospace structures.
- Boston Materials is valued at approximately $56.0M as of Oct 2026 (last reported valuation).
- It has raised $52.6M across 7 recorded rounds; the latest was Early Stage VC ($28.3M) in Sep 2024.
- Notable investors include US National Science Foundation, Collaborative Fund, GS Futures, Woori Venture Partners, Good Growth Capital — 20 tracked in total.
- Boston Materials has filed 8 Form Ds with the SEC since 2018, most recently Sep 2025 ($18.2M sold to 9 investors).
- Status: Privately Held (backing).
Boston Materials's last reported valuation, Nov 2022. Nothing priced has surfaced since.
- ·The complete investor list: 20 names
- ·Watch Boston Materials: the Monday email on marks, rounds and moves
Boston Materials funding rounds
7 roundsWho backs Boston Materials
20+Boston Materials valuation
Boston Materials's last reported valuation was $56 million in Nov 2022. No priced round, secondary trade or fund mark has surfaced since.
How much has Boston Materials raised?
Boston Materials has raised $52.6 million across 7 recorded rounds since 2018. The largest was a $565,000 seed round in May 2020; the most recent was a $28.3 million early-stage round in Sep 2024.
Boston Materials has filed 8 Form Ds with the SEC since 2018, most recently in Sep 2025 ($18.2 million sold to 9 investors).
Boston Materials investors
20 investors are on record for Boston Materials, including US National Science Foundation, Collaborative Fund, GS Futures and Woori Venture Partners. The early-stage round in Sep 2024 drew 11 investors.
About Boston Materials
Manufacturer of advanced composite materials intended for semiconductor and datacenter thermal management and lightweight aerospace structures. The company's materials offer improved thermal, electrical, and mechanical properties, a roll-to-roll manufacturing process with in-line quality control, and a production capacity of square meters annually, enabling sectors like semiconductors, electrified vehicles, and aerospace to achieve efficiency, reliability, and weight reduction in their applications while addressing critical challenges in durability and performance.
- Sector
- Business Products and Services (B2B)
- HQ
- Billerica, MA, United States
- Founded
- 2016
- Employees
- 28
- Website
- bomaterials.com/
- Ownership
- Privately Held (backing)
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