Gray Swan Raises $40M Series A

Gray Swan, a Pittsburgh, PA-based AI security company born out of Carnegie Mellon University, has raised $40 million in Series A funding.

The round was co-led by Wing Venture Capital and Madrona, with participation from Obvious Ventures, Snowflake Ventures, Hudson River Trading, Samsung Next, and existing investor Magarac Venture Partners.

The company plans to use the capital to accelerate its go-to-market operations, deepen partnerships with frontier AI labs, and scale its team to support the deployment of AI in enterprise environments.

Founded by Matt Fredrikson and Zico Kolter, Gray Swan is an AI security company that builds products for adversarial testing and real-time AI protection. The company provides software solutions to help enterprises and frontier AI labs assess and mitigate vulnerabilities in their AI models and agents. Headquartered in Pittsburgh, PA, Gray Swan's mission is to empower the world to use AI safely and securely.

Funding Details

Company Website: https://grayswan.ai

Company: Gray Swan

Raised: $40M

Round: Series A

Funding Date: May 28, 2026

Lead Investor: Wing Venture Capital, Madrona

Additional Investors: Obvious Ventures, Snowflake Ventures, Hudson River Trading, Samsung Next, Magarac Venture Partners

Software Category: AI Security