Business & Economy Business Insider May 28, 2026

Ken Griffin's $238 million New York City penthouse isn't the only pied-à-terre he owns. See what else is in his portfolio.

Citadel CEO Ken Griffin doesn't approve of New York City Mayor Mamdani's pied-à-terre tax.

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Citadel CEO Ken Griffin doesn't approve of New York City Mayor Mamdani's pied-à-terre tax. See all the homes he owns around the country — and the world.

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