Billionaire investor Ken Griffin's flagship hedge fund eked out a small gain in a volatile January, according to a person ...

Citadel’s Ken Griffin is forging ahead with his new Park Avenue office tower, filing plans with the city as the developers ...

Ken Griffin’s hedge fund is taking a fraction of the space in its exit from Citadel Center; TPG Angelo Gordon negotiating ...

Meet the plugged-in players whom billionaire Ken Griffin is relying on to get Citadel’s new headquarters off the ground ...

Ken Griffin is partnering with Related Cos. to help develop the massive new Miami headquarters to house his Citadel ...

Griffin’s $500,000 donation to Levine Cava, a Democrat, in her race against a field of mostly Republican challengers drew national attention in June because of his standing as a top GOP donor ...

Billionaire Ken Griffin has tapped Related Companies to develop the global headquarters of his financial firms, hedge fund ...

Citadel, the hedge fund founded by Ken Griffin, is looking at selling investment-grade bonds soon after a separate $1 billion sale last month.