Last mentioned: Mar 10, 2026
NYSE IPO Filing
Pershing Square officially files with the SEC for a landmark U.S. public listing.
Pre-IPO Funding
Ackman sells a 10% stake in the management firm for $1.05 billion to institutional investors.
London Listing
The firm adds a listing on the London Stock Exchange to broaden its European investor base.
Amsterdam Listing
Pershing Square Holdings lists on Euronext Amsterdam to secure permanent capital.
Firm Founded
Bill Ackman launches Pershing Square Capital Management with $54 million in capital.
Activist investor Bill Ackman has officially filed for an initial public offering of Pershing Square on the New York Stock Exchange. The move marks a strategic shift toward a permanent capital model, aiming to institutionalize the firm and broaden its investor base beyond private and European markets.