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Exclusive: Circle cofounder raises $30 million for Series A ‘AI-native bank’ Catena Labs

Reported by Fortune
May 20, 2026· 3 min read
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Key Takeaways
  • • Sean Neville, Circle cofounder, secured $30 million in Series A funding for Catena Labs, an AI-native banking infrastructure company, led by Acrew Capital and Andreessen Horowitz's crypto arm (a16z crypto).
  • • Catena Labs builds tools enabling AI agents to safely conduct financial transactions on behalf of humans and businesses, positioning itself at the intersection of agentic finance and regulated banking.
  • • The company is applying for a national trust bank charter from the Office of the Comptroller of the Currency (OCC) in New York, signaling intent to hold customer funds and process payments under federal oversight.
  • • This represents a second major funding milestone for Catena Labs, which raised $18 million in a Series A round led by a16z crypto in 2025; additional Series A participants include Breyer Capital, General Catalyst, and QED.
  • • Market validation reflects growing institutional confidence in "agentic finance" as a category, with major payment processors like Stripe and Visa projecting autonomous agents will execute routine financial transactions for consumers and businesses.
Summary
Sean Neville, the cofounder of stablecoin platform Circle, has raised $30 million in Series A funding for Catena Labs, his infrastructure startup focused on enabling AI agents to conduct financial transactions safely and at scale. The round was led by Acrew Capital and the crypto division of Andreessen Horowitz, with participation from Breyer Capital, General Catalyst, and QED. Neville did not disclose the post-money valuation for this Series A, though the company previously raised $18 million in seed funding led by a16z crypto during 2025.

Catena Labs operates at a convergence of two major fintech trends: the emergence of autonomous AI agents and the regulatory infrastructure needed to support agentic finance at an institutional level. According to Neville, "the majority, if not all initial transactions, will be executed by agents," underscoring the company's thesis that autonomous systems—rather than human-initiated payments—will become the dominant transaction mode. This positioning aligns with forecasts from major payments infrastructure providers including Stripe and Visa, which have signaled that consumers will increasingly delegate routine financial tasks such as subscription payments, grocery purchases, and interbank transfers to AI-powered bots.

The regulatory pathway represents a critical differentiator for Catena Labs. The company is applying for a national trust bank charter from the federal Office of the Comptroller of the Currency (OCC) in New York, a step that would enable it to hold customer deposits and process payments under federal regulation. This charter application signals the founders' ambition to build not merely a software layer but a fully regulated financial institution designed from inception for AI-native workflows. Lauren Kolodny, founding partner at Acrew Capital, described the opportunity succinctly: "The opportunity to come up with the framework by which agents can make financial transactions on behalf of humans and businesses is obviously a huge one."

Neville remains on the board at Circle, which operates as a stablecoin and payments infrastructure provider. His move into AI-native banking infrastructure via Catena Labs reflects both his track record in identifying fintech opportunities and the broader venture capital conviction that agentic finance represents a substantial market opportunity requiring purpose-built regulatory and technical infrastructure.

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Fortune Exclusive: Circle cofounder raises $30 million for Series A ‘AI-native bank’ Catena Labs