Ken Griffin, a billionaire, reduced Citadel’s stake in Palantir by 48% and significantly increased his investment in this innovative AI stock.

Ken Griffin, a billionaire, reduced Citadel's stake in Palantir by 48% and significantly increased his investment in this innovative AI stock.

Key Developments In the second quarter, Citadel divested 48% of its holdings in AI software firm Palantir Technologies. Conversely, Citadel boosted its investment in AI chip giant Nvidia by over 400%. In an interesting twist, Citadel’s second quarter report, as filed in August, shows a shift in hedge fund strategies. Selling 640,000 shares of Palantir, […]

Citadel’s Ken Griffin attacks SEC cash grab for surveillance

Hedge fund mogul Ken Griffin is reportedly leading a campaign to block U.S. regulators' efforts to force traders to fund a new market-surveillance system. Griffin's Citadel Securities wants to block new rules that would require investors to put money aside for a so-called integrated audit trail system that has already cost an estimated $1 billion. […]