Zohran Mamdani wants Ken Griffin to pay more tax on his Central Park penthouse. We break down what it means for homeowners ...

Success Academies, the New York City charter network, is expanding to Florida following a billionaire-backed lobbying spree to secure key funding and real estate.

An internal company memo revealed the person is a neurologist who previously worked at Morgan Stanley and is a Harvard grad.

Citadel's Ken Griffin breaks Sotheby's record with bids for two Civil War-era documents. Crain’s Laura Turbay discusses with ...

In July 2024, Griffin purchased a late Jurassic-era stegosaurus skeleton for a record-setting $44.6 million. Griffin has ...

The stock market has proven resilient in the face of President Donald Trump's aggressive trade war and conflict in the Middle ...

Billionaire Ken Griffin just broke the auction sales record for any document signed by President Abraham Lincoln. The Citadel ...

A Juneteenth celebration at The Citadel Mall received attention this week after Peterson Space Force Base issued a memo urging military personnel to avoid the event.

In 2024, Truth Social, Trump’s social media site publicly scrutinized Ken Griffin’s Citadel Securities for naked short selling the market. “Rather than support our common sense efforts to promote ...

In the years since billionaire Ken Griffin pulled up stakes and led Citadel and his market-making firm Citadel Securities to South Florida, more hedge fund managers have followed in his wake ...

Billionaire Ken Griffin, founder and CEO of Citadel, shares his insights with the incoming class of interns. Trump moves Greenland military installation under US Northern Command in Arctic power ...

Citadel founder Ken Griffin opened his remarks to incoming interns with a stark warning: in turbulent markets, “playing defense” is a losing proposition. He argued that traditional safe-haven ...