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Ackman, 59, offered to fund a $10 million endowment for the International Tennis Hall of Fame in a lengthy social media post Sunday.

As a case in point, Warren Buffett, Bill Ackman, and David Tepper have portfolios that look very different. But there's one stock -- and only one stock -- that all three of these billionaires own.

Billionaire Bill Ackman, who follows an investment philosophy similar to Warren Buffett, has exposure in his Pershing Square Capital Management hedge fund to the artificial intelligence (AI) boom.

A trailer for a fake "30 for 30" documentary about billionaire Bill Ackman buying his way into a pro tennis tournament went viral over the weekend.

Tucker Carlson called out Bill Ackman's credentials – calling him an unimpressive and "useless" billionaire – and so the American hedge fund CEO brought receipts and lowered the boom in a 2000 ...

Former World No.1 Andy Roddick did not hold back when voicing his opinion on American billionaire Bill Ackman being granted a wildcard entry to play doubles at the 2025 Hall of Fame Open in Newport.

The company has invoked the murder of an executive last year to complain about coverage in news outlets, on streaming services and on social media.

Shhh, don’t wake the baby: New bill aims to dial down excessively loud commercials by: Peter Wilgoren Posted: Jul 11, 2025 / 02:41 PM PDT Updated: Jul 11, 2025 / 02:41 PM PDT Turn it down.

The 59-year-old billionaire and hedge fund manager faced swift backlash after he made his long awaited entrance into the pro tennis ranks in Rhode Island.

Billionaire Bill Ackman is facing a range of criticism after losing his first professional tennis match.