Pershing Square Capital Management Founder and CEO Bill Ackman has amassed over $4 billion in wealth by timing the markets correctly. The billionaire Harvard University graduate turned heads by predicting the global shutdown during the first wave of the COVID-19 pandemic, pocketing a 100-fold return on his $26 million investment, yielding roughly $2.6 billion in just a month. In 2023, Pershing Square's total returns stood at nearly 27%, beating the benchmark S&P 500 index's annual returns last year.