Bill Ackman has invested $900 million to raise his stake in Howard Hughes Holdings from 37.6% to 46.9%, signaling plans to transform the real estate company into a diversified holding firm. This move aligns with his long-term vision of creating a Berkshire Hathaway-style investment conglomerate.

Pershing Square Capital Management will be investing $900 million in Howard Hughes Holdings (HHH). The move is part of Pershing Square Founder and CEO Bill Ackman's push to build the next Berkshire Hathaway-like behemoth.

Pershing Square's Bill Ackman wants to turn Howard Hughes Holdings Inc (NYSE:HHH) into a "modern-day Berkshire Hathaway."