# Boston Materials funding: rounds and investors > Boston Materials has raised $15M across 3 rounds since 2019. Investors include National Science Foundation, Collaborative Fund and Breakthrough Energy. Source: https://millionrounds.com/company/boston-materials (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *Boston Materials* 3 rounds we have observed, with the 7 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. Chemicals & Materials Manufacturing Raised 11 months ago Funding summary Updated 26 Oct 2026 **$15M** raised across 3 rounds since 2019, from 3 sources **$1.8M** Seed **$14M** Series A - **Latest round:** Venture Dec 2025 - **Biggest round:** $14M Series A · Nov 2024 - **Investors:** 7 (1 led) See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2019 2020 2021 2022 2023 2024 2025 **$1.8M** Seed **$14M** Series A **?** Venture - **First round:** Seed, $1.8M - **Biggest round:** $14M - **Usual gap between rounds:** 5.6 years ## The rounds - **Dec 2025** Venture **Amount undisclosed** *5 returning* [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) [Good Growth Capital](https://millionrounds.com/fund/good-growth-capital) [Clean Energy Ventures](https://millionrounds.com/fund/clean-energy-ventures) Source recorded SEC filing: $28M sold, first sale Sept 2024 - **Nov 2024** Series A **$14M** *5 new* [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) [Good Growth Capital](https://millionrounds.com/fund/good-growth-capital) [Clean Energy Ventures](https://millionrounds.com/fund/clean-energy-ventures) Source recorded SEC filing: $8.5M sold, first sale Sept 2024 - **Mar 2019** Seed **$1.8M** *2 new* [Clean Energy Venture](https://millionrounds.com/fund/clean-energy-venture-group) Lead [SABIC](https://millionrounds.com/fund/sabic) Reported by FinSMEs ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Seed** 2019 **Series A** 2024 **Venture** 2025 [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) [Good Growth Capital](https://millionrounds.com/fund/good-growth-capital) [Clean Energy Ventures](https://millionrounds.com/fund/clean-energy-ventures) [Clean Energy Venture](https://millionrounds.com/fund/clean-energy-venture-group) L [SABIC](https://millionrounds.com/fund/sabic) ## Everyone who backed them [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **2** rounds [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) VC firm **2** rounds [Breakthrough Energy](https://millionrounds.com/fund/breakthrough-energy) VC firm **2** rounds [Good Growth Capital](https://millionrounds.com/fund/good-growth-capital) VC firm **2** rounds [Clean Energy Ventures](https://millionrounds.com/fund/clean-energy-ventures) VC firm **2** rounds [Clean Energy Venture](https://millionrounds.com/fund/clean-energy-venture-group) Angel network **1** round, led 1 [SABIC](https://millionrounds.com/fund/sabic) Growth equity **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=boston-materials). ## Quick answers about Boston Materials ### Who invested in Boston Materials? Boston Materials's investors include National Science Foundation, Collaborative Fund, Breakthrough Energy, Good Growth Capital and Clean Energy Ventures, and 2 more on record. ### How much has Boston Materials raised? Boston Materials has raised $15M across 3 rounds since 2019. One round did not disclose an amount, so the total is a floor. ### When did Boston Materials last raise? Boston Materials's most recent round was a Venture in Dec 2025. ### What was Boston Materials's biggest round? Boston Materials's largest round on record is $14M (Series A), in Nov 2024. ### Who backed Boston Materials first? Boston Materials's first round on record, in Mar 2019, was backed by Clean Energy Venture and SABIC. ### What stage is Boston Materials at? Boston Materials's latest named round is a Venture, in Dec 2025. ### Where is Boston Materials based? Boston Materials is based in the United States. ### Who led Boston Materials's rounds? Clean Energy Venture led the Seed in 2019. ## Companies like Boston Materials In the same sector, and raised in the last eighteen months. [**Apex** $1.1B · Oct 2026](https://millionrounds.com/company/apex)[**Albert Invent** $20M · Oct 2026](https://millionrounds.com/company/albert-invent)[**Peak Energy** $163M · Oct 2026](https://millionrounds.com/company/peak-energy)[**ZwitterCo** $58M · Oct 2026](https://millionrounds.com/company/zwitterco)[**Arda** $233M · Oct 2026](https://millionrounds.com/company/arda)[**Origin** $121M · Oct 2026](https://millionrounds.com/company/origin) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app