Pershing Square Capital Management, L.P. has bought stock on 30 days since Dec 2015

Pershing Square Capital Management, L.P. is an American investment management firm and hedge fund based in New York City, specializing in concentrated, long-term activist investments in large-cap public companies.( Founded on January 1, 2004 by investor William A. (Bill) Ackman, following his earlier co-founding of Gotham Partners in 1992, the firm manages hedge fund and related vehicles that take significant minority stakes and seek to influence corporate strategy and governance.( Pershing Square Capital Management, L.P. is organized under Delaware law, registered with the U.S. Securities and Exchange Commission as an investment adviser, and advises Pershing Square Holdings, Ltd., a closed‑ended investment holding company that holds concentrated positions in companies such as Howard Hughes Holdings Inc., Restaurant Brands International, and other large-cap issuers.(

Pershing Square is led by Bill Ackman as Chief Executive Officer, supported by senior executives including President Ben Hakim and Chief Financial Officer Michael Gonnella, and oversees assets under management of roughly $19–20 billion as of 2025.( The firm is widely recognized as one of the most prominent activist hedge funds of the modern era, known for high-conviction positions, a relatively focused portfolio, and a history of high-profile engagements with portfolio companies, including its substantial, long-term investment in Howard Hughes Holdings Inc., where Ackman serves as Executive Chairman.( As a result of its significant ownership stake—around 10% or more—Pershing Square Capital Management, L.P. periodically appears as a corporate insider in Howard Hughes Holdings Inc. filings in its capacity as an institutional investment adviser and major shareholder.(

Written by Perplexity from public sources.