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Patronus

Builds AI systems for agent stress-testing and senior companion experiences, supported by recent Series B and undisclosed funding rounds.

Consumer AI
Senior companions
Total Raised
$50M + €11M
Headquarters
New York, United States

Overview

Patronus develops AI products including “digital worlds” designed to stress-test AI agents, alongside AI companion technology for seniors referenced in an earlier financing. Its work targets organizations deploying autonomous agents and consumer-facing markets such as elder companionship. The company’s differentiator is its focus on simulated environments for evaluating agent behavior before deployment. Patronus raised a $50M Series B in June 2026 and an undisclosed €11M round in April 2026 led by 3TS Capital.

Funding History

2 rounds · Apr 2026 – Jun 2026
$50M + €11M
Total Raised
2
Cumulative: $50M + €11M

Patronus AI lands $50M to build ‘digital worlds’ that stress-test AI agents

Greenfield Partners (Lead)Notable CapitalLightspeed Venture PartnersDatadogSamsung
Source
1
Cumulative: €11M

Patronus lands €11M led by 3TS Capital to build AI companions for seniors. Here’s the pitch deck behind the raise

3TS Capital (Lead)
Source

Frequently Asked Questions

How much funding does AI Funding track for Patronus?
AI Funding tracks $50M + €11M for Patronus across 2 funding rounds in this database.
Who are Patronus's investors?
Patronus's investors include Lightspeed Venture Partners, 3TS Capital, Samsung, Datadog, Notable Capital, and 1 others.
What does Patronus do?
Patronus develops AI products including “digital worlds” designed to stress-test AI agents, alongside AI companion technology for seniors referenced in an earlier financing. Its work targets organizations deploying autonomous agents and consumer-facing markets such as elder companionship. The company’s differentiator is its focus on simulated environments for evaluating agent behavior before deployment. Patronus raised a $50M Series B in June 2026 and an undisclosed €11M round in April 2026 led by 3TS Capital.
Where is Patronus headquartered?
Patronus is headquartered in New York, United States.