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Hedge Fund Star Ken Griffin Thought AI Was "Garbage." Now He's Changing His Tune.

Ken Griffin, the CEO of Citadel, has evolved his view about AI.

Hedge Fund Star Ken Griffin Thought AI Was "Garbage." Now He's Changing His Tune.

Published July 19, 2026 · Category: Finance

Overview

Ken Griffin's hedge fund, Citadel LLC, has been called the most profitable hedge fund in history. It currently manages around $68 billion, and has posted average annual returns of 19.2% after fees since 1990.

The fund is highly analytical, employing 260 PhDs who use 100 petabytes of data to make daily trading decisions. The firm is so active in its trading that it's often credited with coining the phrase "high-frequency trading."

Details

Earlier this month, Griffin gave his opinion on several ongoing market trends -- everything from geopolitical tensions to artificial intelligence. Investors of all kinds would be wise to hear what he has to say.

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Source

Originally published at www.fool.com.

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