Gray Swan

Summary active Updated May 30, 2026

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Location Pittsburgh, PA
Latest Stage Series A
Total Raised $40M+

Founders

Matt Fredrikson Co-Founder & CEO
Zico Kolter Co-Founder & Chief Scientist

About

Gray Swan is a Pittsburgh-based AI-security company spun out of Carnegie Mellon University’s AI safety research group, co-founded by CEO Matt Fredrikson and Chief Scientist Zico Kolter; the company stress-tests AI models and agents for frontier labs and enterprise customers — its products are used by Anthropic, OpenAI, and Meta — to identify unintended behaviors and provide guardrails that prevent them 123. The $40M Series A announced May 28, 2026 was co-led by Wing Venture Capital and Madrona at a $200M valuation with participation from Obvious Ventures, Snowflake Ventures, Hudson River Trading, Samsung Next, and returning investor Magarac Venture Partners; capital will accelerate go-to-market operations and scale the team serving the world’s leading AI organizations 123.

Funding History

Date Round Amount Lead Co-investors
2026-05-28 Series A (at $200M val) $40M Wing Venture Capital, Madrona Obvious Ventures, Snowflake Ventures, Hudson River Trading, Samsung Next, Magarac Venture Partners 123

What Investors Say

No independently sourced investor quotes found at this time.

What Founders Say

No independently sourced founder quotes found at this time.

Sources


  1. Gray Swan, “Gray Swan Announces Series A,” May 28, 2026. Accessed May 2026. https://www.grayswan.ai/news/gray-swan-announces-series-a

  2. NatLawReview (EIN Press), “Gray Swan, The AI Security Company Trusted by Every Major Frontier Lab, Raises $40M Series A,” May 2026. Accessed May 2026. https://natlawreview.com/press-releases/gray-swan-ai-security-company-trusted-every-major-frontier-lab-raises-40m

  3. Technical.ly, “AI security startup Gray Swan raises $40M Series A with plans to grow its team,” May 2026. Accessed May 2026. https://technical.ly/entrepreneurship/gray-swan-ai-security-40m-series-a/