Former Citadel quants raised $78M for the AI operating system Wall Street’s wealth managers didn’t have

Moment, the fintech company founded by a cohort of former Citadel Securities quantitative traders and researchers, has raised $78 million. The round was led by Index Ventures with participation from existing investors Andreessen Horowitz and Avra. The company last raised $36 million in July 2025.

Moment builds infrastructure that allows wealth management firms to deploy AI agents for fixed-income and equities trading. In the past year, it signed Edward Jones, LPL Financial, and Hightower Advisors as partners. These are not small accounts: Edward Jones manages $2.1 trillion in client assets, LPL oversees approximately $1.7 trillion, and Hightower manages more than $175 billion.

“The largest financial institutions know they need to deploy agents, but the infrastructure to deploy them safely and effectively hasn’t existed,” CEO and co-founder Dylan Parker said. “We built that operating system from the ground up, with a unified data model and regulatory-grade controls so AI can finally do real work in investment management.”

The pitch is infrastructure, not intelligence. Moment is not building its own large language model. It is building the compliance, data, and execution layer that sits between frontier AI models and the regulated environment in which wealth managers operate. The distinction matters because financial services firms cannot simply plug ChatGPT or Claude into their trading systems without audit trails, regulatory controls, and integration with existing market data infrastructure.

Anthropic has been pitching financial services firms directly, unveiling specialised AI agents designed for tasks like trade compliance, portfolio analysis, and client reporting. The competitive dynamic is layered: Anthropic provides the reasoning model, but firms like Moment provide the regulated infrastructure that makes those models deployable in production.

Russ Tipper, principal and head of products and solutions at Edward Jones, framed the opportunity clearly. “AI is going to be a defining capability for the next era of wealth management,” he said. “The firms that get it right will be the ones that pair it with the right infrastructure.”

OpenAI launched its own personal finance tools this month, connecting ChatGPT to bank accounts via Plaid for consumer-facing financial advice. Moment operates at the institutional end of the same spectrum. The consumer and institutional approaches will likely converge, but for now they represent different bets on where AI-powered finance creates the most value.

The former Citadel pedigree is a deliberate signal. Citadel Securities is one of the most technically sophisticated trading operations in the world. Building a startup with alumni from that environment tells prospective clients that the team understands both the technology and the regulatory constraints that make financial services AI harder than general-purpose AI.

Anthropic recently finalised a $1.5 billion joint venture with Blackstone, Hellman & Friedman, and Goldman Sachs to embed Claude inside portfolio companies of the world’s largest private equity firms. That deal and Moment’s raise point in the same direction: the financial services industry is moving from evaluating AI to deploying it, and the companies that control the infrastructure layer between the model and the trade will capture a disproportionate share of the value.