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Rogo Closes $160M Series D Led by Kleiner Perkins to Scale Felix, Its Agentic AI for Wall Street

Michael Ouroumis3 min read
Rogo Closes $160M Series D Led by Kleiner Perkins to Scale Felix, Its Agentic AI for Wall Street

Rogo, the New York–based startup building a finance-specific AI platform, announced on April 29, 2026 that it has closed a $160 million Series D round led by Kleiner Perkins, bringing the company's total capital raised to more than $300 million. The financing — which also drew Sequoia, Thrive Capital, Khosla Ventures, J.P. Morgan Growth Equity Partners, BoxGroup, Mantis VC, and angel investors Jack Altman, Evantic, and Positive Sum — lands at a moment when investment banks, private equity firms, and asset managers are racing to rebuild their workflows around autonomous agents.

A bet on "AI-native" finance

Rogo was founded in January 2022 by Gabriel Stengel, John Willett, and Tumas Rackaitis, three Princeton classmates who previously worked at J.P. Morgan and Lazard. Their pitch is narrow but ambitious: rather than wrap a horizontal copilot around finance, build the operating system for the industry — one that can read pitch decks, parse 10-Ks, draft CIMs, and run diligence inside the same audit trail compliance teams already trust.

That positioning is the explicit thesis behind Kleiner Perkins' check. "When a platform becomes the operating system for an entire industry, the opportunity is generational," partner Mamoon Hamid said in a statement accompanying the announcement.

CEO Gabriel Stengel framed the round as a bet on a structural shift in how Wall Street is staffed: "The institutions at the forefront are rapidly moving beyond automating tasks to becoming AI-native firms, with agentic systems that work across the firm."

Felix and the junior-banker workflow

The core product attached to the raise is Felix, the agentic system Rogo unveiled earlier this year. Felix is designed to execute the multi-step processes that have historically eaten the analyst and associate ranks at sell-side and buy-side firms — deal screening, CIM generation, buyer outreach, and data room diligence — and to do them asynchronously, across multiple transactions at once.

Rogo says more than 35,000 financial professionals at over 250 institutions, including Rothschild & Co, Jefferies, Lazard, Moelis, and Nomura, now use the platform across origination, execution, advisory, and portfolio intelligence.

To extend Felix's reach, Rogo has also been acquiring around the edges of its core stack. The company recently picked up Plux AI, a UK-based market intelligence firm, and Offset, an AI agent startup focused on execution capabilities — moves that accelerate Rogo's push into European banks and into longer-running, multi-tool workflows.

Why this round matters

The Series D arrives in a market where horizontal copilots have repeatedly stalled inside regulated industries because compliance teams cannot audit a general-purpose model and trust it on a deal. That has shifted capital toward vertical AI specialists — the same tailwind that has lifted competitors like Harvey, the legal-AI vendor that closed a $200 million round in March 2026 at a reported $11 billion valuation.

For incumbents, Rogo's growth is a signal that the staffing pyramid of investment banking — heavy at the bottom, thinning toward partners — is starting to flatten. For founders, it is confirmation that the next defensible AI businesses may not be the ones that try to do everything, but the ones that own a single industry's audit trail end to end.

Michael Ouroumis

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