Citadel founder Ken Griffin just added a $38 million Park Avenue apartment to his $1.5 billion real estate portfolio

Citadel founder Ken Griffin just added a $38 million Park Avenue apartment to his $1.5 billion real estate portfolioBillionaire Citadel founder and CEO Ken Griffin has reportedly expanded his enormous international property portfolio with the addition of a $38 million duplex apartment inside a storied New York City apartment building.Griffin, 57, whose real estate holdings are believed to be worth upward of $1.5 billion, is said to have purchased the unit in an off-market deal, according to The Wall Street Journal, which reports that the property is located directly adjacent to a condo he already owned.A Dow Jones CompanyCopyright © 2026 MarketWatch, Inc. All rights reserved.