Funding record · 2026 / 05
White Circle raises $11M Seed for AI security
Announced 12 May 2026 · Recorded 8 September 2026 · Last verified 8 September 2026
White Circle, an AI security company based in Paris, France, raised $11M in a Seed announced on 12 May 2026, led by Hummingbird Ventures, David Cramer and Drysdale Ventures with 7 others. Its disclosed equity funding is now $11M across 1 round.
- Amount
- $11M
- Round
- Seed
- Announced
- 12 May 2026
- Lead investors
- Hummingbird Ventures, David Cramer, Drysdale Ventures, Durk Kingma, Guillaume Lample, Mehdi Ghissassi, Olivier Pomel, Paige Bailey, Romain Huet, Thomas Wolf
- Sources on record
- 1securityweek.com
From the source
French startup White Circle secures $11M from OpenAI, Anthropic, DeepMind leaders to monitor and secure enterprise AI
White Circle raised $11 million in seed funding from prominent investors including operators and investors from OpenAI, Anthropic, DeepMind, Hugging Face, Mistral, Datadog, and Sentry. The funding will support the company's AI control platform that helps organizations monitor, secure, and control AI model actions.
securityweek.com · 16 May 2026 ↗The Mandos read
What the record says about White Circle
- Momentum 30 / 100 · Coolinglocked →
pillars in the platform
- 13 employeeslocked →
history and breakdowns in the platform
- Exit Readiness: Lowlocked →
Tested against 751 past exits in the Mandos record: 43% sat in Watch or Elevated 2 years before. Companies in Elevated exited at 3.1× the record's rate.
- Buyers most often compare White Circle with Gray Swan, NeuralTrust and AI Security Gateway and 1 morelocked →
the full set in the platform
Funding history
White Circle funding on record
White Circle has raised $11M in priced equity. Its most recent round was a Seed in May 2026.
Latest round on record: Seed, May 2026.
White Circle funding on the profile →Related rounds
Other verified cybersecurity rounds
Also in May 2026
Most recent five, same month
In the platform
The round is the fact. The read is the product.
Every round, investor and correction for White Circle, the competitors buyers weigh it against, hiring by department, and an alert when the next thing happens.
The same record answers in Claude, ChatGPT and Cursor through the Mandos MCP server.
The Mandos Brief
Cybersecurity funding, deals and moves, every Monday.
FAQ
Questions people ask
- How much did White Circle raise in its Seed?
- White Circle raised $11M in a Seed announced on 12 May 2026.
- Who invested in White Circle's Seed?
- The round was led by Hummingbird Ventures, David Cramer, Drysdale Ventures, Durk Kingma, Guillaume Lample, Mehdi Ghissassi, Olivier Pomel, Paige Bailey, Romain Huet, Thomas Wolf.
- What does White Circle do?
- White Circle is a cybersecurity company specializing in AI Security, founded in 2025 and headquartered in Paris, France.
