Hedge fund billionaire Bill Ackman sold shares of Alphabet and took a substantial stake in Uber during the first quarter.

Our writer explores why one of Wall Street's best-known investors has loaded up on this S&P 500 growth stock for his FTSE 100 ...

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Bill Ackman's Pershing Square has a portfolio valued at $11.930 billion, which is concentrated in these four stocks as of the end of Q1.

The new stock's business is at odds with Tesla right now. Billionaire investor Bill Ackman made a name for himself in the 21st century through activist short-selling.

Bill Ackman got to participate in a professional tennis match for prize money and points. Tennis legends aren't a fan of what went down.

Bill Ackman's success as an Uber Technologies investor will likely be determined by how well Uber handles new competition and what steps it takes to retain its premium pricing power.

Jim Ross recently had a brief scare in his hotel room. Following successful cancer removal surgery, Jim Ross returned to the ...

"Bill Ackman used his vast wealth to worm his way into a professional, ATP-sanctioned tennis tournament at the Hall of Fame ...

Mr. Ackman and another hedge fund titan, Daniel S. Loeb, interviewed a potential campaign hire for Mayor Adams, who is ...

Bill Ackman, a billionaire financier, competed in the Hall of Fame Open in Newport, R.I., on Wednesday. He was the doubles partner for Jack Sock, a retired professional.