Former Citadel quants’ fintech Moment raises $78m for AI trading stack

AI trading startup Moment, founded by ex-Citadel Securities quants, has raised $78m in new funding led by Index Ventures after signing major wealth managers to its automated fixed income and equity trading platform.

According to Bloomberg, Moment raised $78m after a year in which it onboarded firms including Edward Jones, LPL Financial and Hightower Advisors to its trading technology. The round was led by Index Ventures, with existing backers Andreessen Horowitz (a16z) and Avra participating, bringing the company’s total venture funding well past $100m since its 2022 founding. Moment, launched by a group of former quantitative traders and researchers from Citadel Securities, focuses on helping banks, brokers and wealth managers automate their fixed income and equity trading workflows, from order routing and execution to analytics.

Building an “operating system” for fixed income and equities

In earlier materials, Index Ventures described Moment as “the first operating system for fixed income,” an AI-powered platform that unifies trading, research, portfolio construction, and risk and compliance checks in a single vertically integrated stack. Traditional fixed income markets, worth an estimated $150 trillion globally, still rely heavily on manual processes, phone calls and spreadsheets, leaving even large institutions with fragmented data and slow execution in corporate bonds, munis and structured products. Moment’s software is designed to automate much of that work, ingesting data from multiple venues and dealers, generating smart order-routing decisions, and providing real-time analytics to portfolio managers and traders across both bonds and equities.

The company’s July 2025 round, also led by Index Ventures, raised $36m to accelerate adoption of its fixed income tools and expand its relationship with LPL Financial, one of the largest independent broker-dealers in the U.S. Since then, Moment has broadened its client roster to include Edward Jones and Hightower, signaling growing demand among wealth managers looking to modernize legacy trading systems and compete with bulge-bracket desks that have long invested in proprietary automation. That trend mirrors a broader shift across capital markets, where firms from exchanges to asset managers are racing to deploy AI and automation in trading, as noted in multiple Bloomberg trading and market-structure insights.

AI, automation and the future of dealer tech

For investors like Index Ventures and Andreessen Horowitz, Moment sits at the intersection of two powerful currents: the migration of high-frequency, quant-style tooling into the broader buy side, and the rise of AI agents capable of handling increasingly complex financial workflows. As Bloomberg notes, the company’s founders are leveraging their Citadel experience — where speed, data and automation are table stakes — to bring similar sophistication to a wider set of institutions that historically lacked the budget or talent to build such systems in-house.

The latest $78m infusion comes amid a surge of funding into “agentic finance” and AI-first trading infrastructure, a wave that has also touched crypto and prediction markets, as chronicled in a recent crypto.news story. While Moment is squarely focused on traditional fixed income and equities rather than digital assets, the underlying theme is the same: automation is moving from an edge to a necessity, and firms that fail to upgrade risk being structurally outgunned on execution and risk management. For now, Moment’s challenge will be to convert its marquee partnerships into deep, sticky deployments — and to prove that an AI-native stack built by former Citadel quants can scale beyond early adopters into the conservative core of global wealth management and banking.