Adaptive Security Series B

Adaptive Security raised an $81M Series B in December 2025 from Andreessen Horowitz, the OpenAI Startup Fund, Bain Capital Ventures, Capital One Ventures, Citi Ventures, NVentures and Abstract.

$81,000,000 Amount

Investors

  • Andreessen Horowitz

    Venture capital firm investing across technology sectors with a dedicated AI practice

  • Bain Capital Ventures

    Venture firm investing across apps, infrastructure, commerce, fintech, healthcare, physical AI and security

  • Abstract

    San Francisco venture capital firm with $3.3 billion in assets under management investing in seed and early-stage companies.

  • CVCiti Ventures
  • NVentures

    NVIDIA venture capital arm, investing in technology visionaries across robotics and edge AI, AI factories and infrastructure, and scientific computing, with portfolio companies including Skild AI, Emerald AI and Contextual AI.

  • OpenAI Startup Fund

    OpenAI Startup Fund invests in startups with ideas about AI. The fund provides investment in early-stage companies.

  • COCapital One Ventures

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