WithAI
WithAI is a YC Spring 2026 (P26) company. Based in San Francisco, CA, USA. Team of 3.
About WithAI
Summary
WithAI builds Multiplier, a unified platform for independent equity funds managing $250M to $5B in assets. It consolidates structured data, unstructured research, AI workflows, and firm-specific knowledge into a single governed application, replacing a sprawl of disconnected point solutions and manual data-gathering work. Analysts shift from sourcing and aggregating information to acting on it.
Go-to-market
Target buyers are independent equity fund managers who recognize AI as competitively necessary but lack internal resources to build or maintain tooling. WithAI deploys the platform directly to funds through a white-glove, sales-led engagement model.
From the Y Combinator listing
Agent harnesses for asset managers
WithAI helps institutional investors research stocks and manage their portfolios. We're live with four hedge funds, and our users spend 4+ hours a day in the platform. Investors who try "nearly every tool on the market," to quote a client of ours, "wind up with an unwieldy collection of fragmented point solutions." Those who focus on building a great setup with general agents are instead "signing up for a full-time job." So we deploy a platform called Multiplier that unifies structured data, unstructured data, AI work, human work, and tacit firm knowledge in one secure, governed, customized application. Our first vertical: independent equity funds with $250M-$5B of assets. They know AI is essential for staying relevant, but they don't have the time or talent to figure out what to do about it. But once we deploy Multiplier––"We used to spend 80% of our time gathering information and 20% of our time acting on it," said one customer. "WithAI has flipped those percentages."
Facts
- B2B / B2B
- San Francisco, CA, USA
- 3
- Active
- Early
Founders (2)
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