His Daughter Suffered A Brain Hemorrhage. He’s Betting $400 Million On A Medical Breakthrough.

Billionaire investor Bill Ackman is putting $400 million behind an ambitious new medical institute after his 26-year-old daughter suffered a massive brain hemorrhage that left her in a coma and unable to walk, speak, or see.

Ackman and his wife, Neri Oxman, are creating the Ackman Oxman Institute (AOI), a massive Manhattan-based research and treatment ...