Billionaire investor Bill Ackman increased his stake in sportswear company Nike by 15% and cut his investment in fast-casual food chain Chipotle Mexican Grill by 14%, during the fourth quarter, according to a regulatory filing made on Friday.

Ackman’s firm Pershing Square Capital Management owned 18.8 million shares in Nike and 24.7 million shares in Chipotle, a name his firm has owned since 2016.

Bill Ackman is an American billionaire hedge fund manager, who has amassed a net worth of $9.2 billion. The Harvard Business School graduate is the founder and CEO of Pershing Square Capital Management,

Bill Ackman has amassed a roughly $2.3 billion stake in Uber, saying in a post on X that the ride-hailing company's stock is undervalued. Ackman said Friday in the post that his Pershing Square invest