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Citadel, Bridgewater and Man Group expand AI use but warn against overreliance

Reported by Hedgeweek ·Businessinsider
Oct 28, 2026· 2 min read
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Key Takeaways
  • • Citadel, Bridgewater Associates and Man Group are expanding AI use across investment research and operational processes, while warning that security risks and over-reliance on automated systems could undermine decision-making, according to Business Insider.
  • • Some Citadel investment teams have built AI versions of themselves capable of conducting independent research, and Bridgewater's AIA Labs is extending AI-driven research across the organisation.
  • • Citadel's interim CTO Andrew Janian said the firm enforces strict controls to keep AI agents within designated environments.
  • • Bridgewater partner Aaron Linksy called ensuring autonomous agents do not expose the firm to security or operational risk an unresolved challenge.
  • • Man Group CIO Greg Bond warned against "cognitive surrender," where employees become overly dependent on AI-generated outputs.
Summary
Citadel, Bridgewater Associates and Man Group are expanding their use of artificial intelligence across investment research and operational processes, while cautioning that security risks and excessive reliance on automated systems could undermine investment decision-making, according to a report by Business Insider. The executives spoke at a Bloomberg conference in New York, where they outlined how their firms are deploying AI agents to improve research efficiency and automate routine tasks.

At Citadel, some investment teams have developed AI versions of themselves capable of conducting independent research. Andrew Janian, the firm's interim chief technology officer, said Citadel maintains strict controls to prevent AI agents from operating outside designated environments. At Bridgewater, the AIA Labs unit is extending its AI-driven research capabilities and processes across the organisation. Aaron Linksy, a partner at Bridgewater and founding member of its AIA team, said that ensuring autonomous agents do not expose the firm to security or operational risks remains an unresolved challenge.

Executives also cautioned against treating AI as a substitute for investment judgement. Citadel encourages fundamental investment teams to use AI to challenge investment ideas and prepare for meetings, rather than to independently formulate investment theses.

Greg Bond, chief investment officer at Man Group, warned against what he called "cognitive surrender," in which employees become overly dependent on AI-generated outputs. He stressed that human judgement, collaboration and critical thinking remain essential, particularly in financial markets ultimately driven by human behaviour.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Hedgeweek Citadel, Bridgewater and Man Group expand AI use but warn against overreliance Businessinsider Citadel, Bridgewater, and Man Group are using AI to perfect their processes, but fear bad bots and 'cognitive surrender'