Bill Ackman is CEO of Pershing Square, a leading investment firm with $30 billion of assets under management. Mr. Ackman founded Pershing Square in 2004.
Pershing Square principally makes investments in a concentrated portfolio of high-quality, simple, predictable, cash-generative durable growth businesses. Pershing Square often works with its portfolio companies as an engaged and active investor to help create substantial long-term value.
Prior to founding Pershing Square, Mr. Ackman co-founded Gotham Partners in 1992, a research-driven, value-oriented investment firm that managed public and private equity investments. Before Gotham, Mr. Ackman began his career in real estate investment banking at Ackman Brothers and Singer, Inc.
Mr. Ackman is co-trustee of The Pershing Square Foundation, a family foundation established in 2006 to support exceptional leaders and innovative organizations that tackle important issues and deliver scalable and sustainable global impact. Pershing Square Philanthropies, which includes The Pershing Square Foundation, has committed more than $930 million in grants and investments in target areas including health and medicine, education, economic development and innovation.
Mr. Ackman currently serves as Executive Chairman of the board of Howard Hughes Holdings Inc. and as CEO and Chairman of Pershing Square SPARC Holdings, Ltd. He has previously served on the boards of numerous private and public companies. In addition, he served as a member of the Investor Advisory Committee on Financial Markets of the Federal Reserve Bank of New York and the Board of Dean’s Advisors of Harvard Business School.
Mr. Ackman holds an MBA from Harvard Business School and a Bachelor of Arts, magna cum laude, from Harvard College.
What is William A. Ackman's net worth?
The estimated net worth of William A. Ackman is at least $56.53 million as of April 30th, 2026. Ackman owns 1,500,000 shares of Pershing Square USA stock worth more than $56,527,500 as of October 15th. This net worth estimate does not reflect any other assets that Ackman may own. Learn More about William A. Ackman's net worth.
How do I contact William A. Ackman?
Has William A. Ackman been buying or selling shares of Pershing Square USA?
William A. Ackman has not been actively trading shares of Pershing Square USA during the last quarter. Most recently, on Thursday, April 30th, William A. Ackman bought 897,171 shares of Pershing Square USA stock. The stock was acquired at an average cost of $50.00 per share, with a total value of $44,858,550.00. Following the completion of the transaction, the chief executive officer now directly owns 841,000 shares of the company's stock, valued at $42,050,000. Learn More on William A. Ackman's trading history.
Who are Pershing Square USA's active insiders?
Are insiders buying or selling shares of Pershing Square USA?
During the last twelve months, Pershing Square USA insiders bought shares 13 times. They purchased a total of 6,574,961 shares worth more than $321,353,203.16. The most recent insider tranaction occured on October, 6th when CIO
Ryan Israel bought 57,659 shares worth more than $2,183,546.33.
Learn More about insider trades at Pershing Square USA. Information on this page was last updated on 10/6/2026.
