A microchip materials manufacturer that counts Taiwan Semiconductor, GlobalFoundries and STMicroelectronics as clients saw ...

Billionaire investor Ken Griffin's flagship hedge fund climbed in a volatile January, according to a person familiar with the ...

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

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

The long-touted Midtown skyscraper being developed through a partnership that includes billionaire Ken Griffin is scheduled to kick off its public review next month, according to an application filed ...

Ken Griffin is bringing in the heavy guns, partnering with Related Companies to co-develop Citadel’s new $1 billion-plus ...

Billionaire hedge fund founder Ken Griffin has broken records for some of his purchases — from previously buying the most expensive property in Miami history to acquiring a stegosaurus skeleton ...

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

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

Billionaire Ken Griffin, who has expressed skepticism about Donald Trump in the past, weighed in with a statement of support late Sunday following the attempted assassination of the former ...