Fast forward half a century, Bill Ackman, the billionaire hedge fund manager behind Pershing Square Capital Management, is looking to replicate Buffett’s success by creating a “modern-day Berkshire Hathaway.

Bill Ackman proposes to increase his stake in Howard Hughes to 48%. He wants to turn HHH into a modern-day Berkshire Hathaway.

Who is billionaire Bill Ackman? Ackman is a prominent investing activist: When he considers that a company in which he has invested has underperformed, he urges the board and mana