William Ackman

GGP, Inc. is a holding company. It operates, manages, develops, and acquires retail and other rental properties in regional malls. Its portfolio of regional malls represents a collection of retail properties that are targeted to a range of market sizes and consumer tastes. The company was founded by Matthew Bucksbaum and Martin Bucksbaum in 1954 and is headquartered in Chicago, IL.

Boys & Girls Harbor, Inc. provides child and youth care services. The firm offers education, cultural enrichment, and social services. The company was founded by Anthony Drexel Duke in 1937 and is headquartered in New York, NY.

The Howard Hughes Corp. engages in the development and management of commercial, residential, and mixed-use real estate. It operates through the following segments: Operating Assets, Master Planned Communities, Seaport District, and Strategic Developments. The Operating Assets segment consists of retail, office, hospitality, and multi-family properties along with other real estate investments. The Master Planned Communities segment focuses on the development and sale of land in large-scale, long-term community development projects in and around Las Vegas, Nevada, Houston, Texas, and Columbia, Maryland. The Seaport District operates approximately 453,000 square feet of restaurant, retail, and entertainment properties situated in three primary locations in New York, New York: Pier 17, Historic Area/Uplands, and Tin Building. The Strategic Developments segment is involved in other real estate assets in the form of entitled and unentitled land and residential condominium developments. The company was founded in July 2010 and is headquartered in Woodlands, TX.

Old COPPER Co., Inc. engages in the operation of retail stores of apparel, home, jewelry, and beauty merchandise. The company was founded by James Cash Penney in 1902 and is headquartered in Plano, TX.

Justice Holdings Ltd. operates as a holding company with the strategy of acquiring a target business. The company's efforts in identifying a prospective target business are not limited to a particular industry or geographic region. The company was founded by William A. Ackman, Nicolas Berggruen and Martin E. Franklin on February 7, 2011 and is headquartered in Tortola, British Virgin Islands.

Canadian Pacific Railway Ltd. operates as a holding company, which engages in the provision of rail services. It offers a suite of freight transportation services, logistics solutions and supply chain expertise. The company was founded in 1881 and is headquartered in Calgary, Canada.

Canadian Pacific Railway Co. provides rail and intermodal freight transportation services across Canada. It offers bulk, intermodal, and merchandise transportation. The company is headquartered in Calgary, Canada.

Pershing Square Capital Management LP (PSCM) is a SEC-registered investment advisor and hedge fund manager headquartered in New York City. The firm was founded in 2003 by William Ackman and David Berkowitz. They are a subsidiary of Pershing Square Intermediate Holdings LLC, ultimately owned by Pershing Square Partner Group LLC. PSCM provides investment advisory services to a variety of private investment funds.

Pershing Square Holdings Ltd. is a closed-end investment fund. Its investment objective is to preserve capital and to seek maximum, long-term capital appreciation commensurate with reasonable risk. The company seeks to achieve its investment objective through long and short positions in equity or debt securities of public U.S. and non-U.S. issuers derivative instruments and any other financial instruments. Pershing Square Holdings was founded on February 2, 2012 and is headquartered in St. Peter Port, the United Kingdom.

Pershing Square Tontine Holdings Ltd. is a blank check company, which formed for the purpose of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization, or similar business combination with one or more entities. The company was founded on May 4, 2020 and is headquartered in New York, NY.

Pershing Square SPARC Holdings Ltd. is a blank check company. It engages in effecting a merger, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses or entities. The company was founded on November 3, 2021 and is headquartered in New York, NY.

Pershing Square Sohn Cancer Research Alliance provides cancer research services. The non-profit company is based in New York, NY. The company was founded in 2013 by Olivia Tournay Flatto.

TABLE Management LP provides management Services. The company is headquartered in New York, NY.

The Ackman-Ziff Real Estate Group LLC operates as an institutional real estate capital advisor. It specializes in structuring and placing debt, mezzanine, and equity. It also offers investment banking services. The company was founded in 1926 and is headquartered in New York, NY.

The Scholarly Publishing & Academic Resources Coalition engages in works to enable the open sharing of research outputs and educational materials. The company is located in the US.