Private company

Pershing Square Capital Management

American hedge fund

Pershing Square Capital Management (Pershing Square) is an American hedge fund based in New York City. It specializes in activist investments, using influence over company management through the purchase of shares and by exerting pressure on management.2 It was founded by Bill Ackman.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

2004Founded1
Valeant Pharmaceuticals' Business Model (headshot)
Photo: Senate Democrats, CC BY 2.0, via Wikimedia Commons3

Pershing Square Capital Management (Pershing Square) is an American hedge fund based in New York City. It specializes in activist investments, using influence over company management through the purchase of shares and by exerting pressure on management.2

Corporate structure

Pershing Square Capital Management sits at the top of its group. 12 entities, 3 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • Pershing Square Capital Management 888 7th Avenue
    • Fannie Mae Stake · 9.98% · Washington, the District of Columbia, United States
      • Fannie Mae Multifamily REMIC Trust 2023-M3 Subsidiary · Washington, the District of Columbia, United States
      • MULTIFAMILY CONNECTICUT AVENUE SECURITIES TRUST 2020-01 Subsidiary · Wilmington, Delaware, United States
    • Restaurant Brands International Stake · 4.3% · Oakville, Ontario, Canada

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What Pershing Square Capital Management reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

Things Wikidata records the company as owning, with the share when stated.1

The story

Founded by Bill Ackman in 2004.1

Leadership

Who has led Pershing Square Capital Management, and when. Pick a name to see everywhere that person has worked.

Products and brands

  • investment fund

Listed on Wikidata.1

Subsidiaries and ownership

Also owns

From Wikidata.1

Timeline

  1. 2004Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
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