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Patronus AI

Patronus AI

Private
San Francisco, CaliforniaAI, Data & Cloud Infrastructurehttps://patronus.ai/

Last Round

Series B

Jun 25, 2026

Total Funding Raised

$70M

Momentum

Top 5%

of companies Caplight tracks

Company Overview

Patronus AI is an enterprise software company that provides an automated evaluation and security platform for large language models.

Sector

AI, Data & Cloud Infrastructure

Verticals

NLP & Conversational AI, Application Security, Compliance & Risk, ML Platforms, Data Governance

Business Model

B2B

Customer Profile

Subscription SaaS, Usage-Based SaaS

AI Layer

Infrastructure

Keywords

AI evaluationAI guardrailsLLM securityAI agent securityAI red teamingLLM testingcopyright detectionAI stress testingAI compliancedigital world modelsAI observabilityAI safety platformautomated evalsLLM monitoringAI risk management

Historical Pricing

Historical view of private secondary pricing and transaction trends.

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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Track how buyer interest and sentiment changes over time.

Patronus AI Comparables

Compare Patronus AI with similar companies based on industry and business-model similarity.

Patronus AI comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Virtue AI
89%
Braintrust
88%
Gray Swan
86%

Patronus AI Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BJun 25, 2026
Series AMay 22, 2024
SeedSep 14, 2023

Key People

Founding team and executive leadership

Rebecca Qian

Co-Founder And CTO

Founding Team

Patronus AI Investors

Notable investors and investment history

Patronus AI investors
InvestorRounds
Factorial CapitalSeries A, Series B, Seed
Notable CapitalSeries B, Series A
Greenfield PartnersSeries B
Samsung Next TLVSeries B
Samsung NEXT FundSeries B
Samsung Venture InvestmentSeries B
Lightspeed Venture PartnersSeries A, Series B, Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Sep 23, 2026

    Grew 22% QoQ, from 59 to 72 employees.

  • Aug 1, 2026

    Grew 33% QoQ, from 46 to 61 employees.

Patronus AI Filings

Explore SEC and related filing metadata, where available.

Patronus AI filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Patronus AI's valuation, stock price, and market status.

Is Patronus AI a public or private company?

Patronus AI is a private company.

What is the current stock price of Patronus AI?

Patronus AI is a private company, so its shares have no public market price. Caplight tracks Patronus AI's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Patronus AI worth (valuation)?

Valuation information for Patronus AI is not publicly available.

Can I buy Patronus AI stock?

Patronus AI shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Patronus AI's last funding round?

Patronus AI's most recent funding round was Series B on June 25, 2026.

Who are the main investors in Patronus AI?

Key investors in Patronus AI include Notable Capital, Greenfield Partners, Lightspeed Venture Partners.

Will Patronus AI IPO soon?

No public IPO plans have been announced for Patronus AI.

How can I track Patronus AI secondary market activity?

Caplight tracks bids, offers, and trades in Patronus AI's shares on secondary markets.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range72
Year Founded2023
Last FundingJun 25, 2026

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