Bill Ackman

Bill Ackman

Bill Ackman, chief executive officer and portfolio manager at Pershing Square Capital Management, speaks during the SALT conference in Las Vegas, Nevada, U.S. May 18, 2017. REUTERS/Richard Brian/Reuters

Billionaire Bill Ackman backs anti-Mamdani group with $1m donation ahead of NYC mayoral election

Bill Ackman, chief executive officer and portfolio manager at Pershing Square Capital Management, speaks during the SALT conference in Las Vegas, Nevada, U.S. May 18, 2017. REUTERS/Richard Brian/Reuters

Bill Ackman says Hindenburg's Adani report 'highly credible'

FILE PHOTO: Bill Ackman, chief executive officer and portfolio manager at Pershing Square Capital Management, speaks during the SALT conference in Las Vegas, Nevada, US May 18, 2017. REUTERS/Richard Brian

Billionaire Ackman donates millions of Coupang shares to foundation, others