Skip to main content
Caplight Logo









White Circle

White Circle

Private
ParisAI, Data & Cloud Infrastructurehttps://whitecircle.ai/

Last Round

Seed

May 12, 2026

Total Funding Raised

$33M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

White Circle is an artificial intelligence security company that provides a software platform designed for automated testing, monitoring, and protection of machine learning systems.

Sector

AI, Data & Cloud Infrastructure

Verticals

ML Platforms, Application Security, NLP & Conversational AI

Business Model

B2B

Customer Profile

Subscription SaaS, Services & Consulting, Government Contracts

AI Layer

Infrastructure

Keywords

AI control layerAI safety platformAI guardrailsAI safetyAI securityautomated red teamingAI agent securityAI infrastructureLLM guardrailsAI observabilityLLM application securityhallucination preventionjailbreak preventionAI moderationmodel routing

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

White Circle Comparables

Compare White Circle with similar companies based on industry and business-model similarity.

White Circle comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Guardrails AI
85%
Enkrypt AI
84%
F5, Inc.
81%

White Circle Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedMay 12, 2026
SeedMay 12, 2026

Key People

Founding team and executive leadership

Denis Shilov

Founder CEO

Founding Team

White Circle Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 17, 2026

    Grew 19% QoQ from 21 to 25 employees.

  • Jun 26, 2026

    Grew 79% QoQ from 14 to 25 employees.

White Circle Filings

Explore SEC and related filing metadata, where available.

White Circle filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

Common questions about White Circle's valuation, stock price, and market status.

Is White Circle a public or private company?

White Circle is a private company.

What is the current stock price of White Circle?

White Circle is a private company with no public stock price. No recent secondary market data is available.

How much is White Circle worth (valuation)?

Valuation information for White Circle is not publicly available.

Can I buy White Circle stock?

White Circle shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was White Circle's last funding round?

White Circle's most recent funding round was Seed on May 12, 2026.

Who are the main investors in White Circle?

Key investors in White Circle include Hummingbird Ventures.

Will White Circle IPO soon?

No public IPO plans have been announced for White Circle.

How can I track White Circle secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor White Circle's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersParis
Employee Range26
Year Founded2025
Last FundingMay 12, 2026

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?