Bill Ackman announces major changes at Pershing Square

Pershing Square CEO Bill Ackman: The Fed will have to move early, can certainly do more than 3 cuts

Watch CNBC's full interview with Pershing Square Capital Management CEO Bill Ackman

Tracking railroad rivalry: Bill Ackman

Bill Ackman explains his trades around his 'Hell is coming' CNBC interview

Bill Ackman's about an 11 on a scale of 0 to 10 in difficult to deal with: Fmr. ADP chairman

Ackman SPAC advisor on burnout

Bill Ackman on pulled SPAC: New SEC concerns killed Universal Music deal

Bill Ackman on hedge funds