Gray Swan

Raised $40M in a Series A round, announced 28 May 2026.

Total raised: $40M

Latest round Series ACountry United StatesSector AI

Round

$40MSeries A, 28 May 2026

Series A co-led by Wing and Madrona funds team growth to secure frontier AI deployments.

Amount: $40M
Stage: Series A
Announced: 28 May 2026
Lead: Wing Venture Capital
Other investors: Madrona, Obvious Ventures, Snowflake Ventures, Hudson River Trading, Samsung Next, Magarac Venture Partners
Use of funds: Series A co-led by Wing and Madrona funds team growth to secure frontier AI deployments.
Checked: Amount and date checked against the press source
Source: AI security startup Gray Swan raises $40M Series A fintech.global

Company

Red-teaming and security tools that test and protect AI models and agents

Based in: Pittsburgh, United States
Sector: AI
Website: grayswan.ai ↗

Questions

How much has Gray Swan raised?

Gray Swan raised $40M in a Series A round, announced on 28 May 2026.

Who invested in Gray Swan?

Wing Venture Capital led. Investors include Wing Venture Capital, Madrona, Obvious Ventures, Snowflake Ventures, Hudson River Trading and Samsung Next.