Cinder Series B

Cinder raised $41M in Series B funding led by Radical Ventures

$41,000,000 AmountMay 13, 2026 Announced

Investors

  • Y Combinator

    Accelerator and early-stage investor with an expanded growth-stage presence in New York

  • Accel

    Global venture capital firm that positions itself as a first partner to exceptional startup teams worldwide.

  • Radical Ventures

    AI-focused venture firm investing in people using artificial intelligence to shape how we live, work and play

  • M12

    Microsoft venture capital fund investing from seed through Series B across AI applications, security, cloud infrastructure and deep tech, with 140+ portfolio companies.

  • Outpost Ventures

    Outpost Ventures is a deep technology investor that grows our nation’s most innovative dual-use defense tech companies. OV capitalizes on the capital structure tailwinds resulting from the Government’s grant-and-matching program for defense companies. Our distinct approach, existing deal flow, and reputation for executing complex private and government-backed transactions make us uniquely positioned to capitalize on these market opportunities. OV works closely with The Outpost, a dual-use, deep

  • PSP Growth

    Chicago-based venture arm of PSP Partners investing $1-5 million initially (up to $25 million in follow-ons) in earlier-stage, high-growth B2B software companies.

  • NONeuberger’s Outpost Ventures

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