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Mass Magnetics
YC S26Boston, US · Founded 2026 · 3 employees · 17 known investors
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Mass Magnetics manufactures high-performance neodymium-iron-boron rare-earth magnets in the United States from recycled and domestic feedstocks, using a rapid sintering process and machine learning to sort scrap by grade and chemistry. It targets defense and industrial buyers needing DFARS-compliant domestic magnets and also sells DFARS-compliant rare-earth alloys to domestic metallurgists.
Also known as Mass Energy Company
Founders & leadership· Y Combinator alumni (S26)
Mass Magnetics was founded in 2026 by Matthew Groll and Eric Silver.
Investors · 17
How we know: Redbud Trail Group's portfolio page · Y Combinator's founder network · Not right? Tell us
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Related companies · 5
Companies working in the same space as Mass Magnetics.
Legal entities · 1
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Frequently asked questions
- What does Mass Magnetics do?
- Mass Magnetics manufactures high-performance neodymium-iron-boron rare-earth magnets in the United States from recycled and domestic feedstocks, using a rapid sintering process and machine learning to sort scrap by grade and chemistry. It targets defense and industrial buyers needing DFARS-compliant domestic magnets and also sells DFARS-compliant rare-earth alloys to domestic metallurgists.
- Who founded Mass Magnetics?
- Mass Magnetics was founded by Matthew Groll, Eric Silver in 2026.
- Who are Mass Magnetics's investors?
- Mass Magnetics's investors include Redbud Trail Group, Y Combinator, Acephale Ventures, Andreessen Horowitz, Doomers Media LLC, Founders Factory, InvestorX, Liquid Ventures and 9 more.
- Where is Mass Magnetics headquartered?
- Mass Magnetics is headquartered in Boston, US.