Bill Ackman’s Pershing Square Files For IPO After A Delay Of More Than A Year

In its filing with the U.S. Securities and Exchange Commission, Pershing Square stated that it has secured $2.8 billion in commitments ahead of the IPO.

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Bill Ackman attends Legion of Honour Award Ceremony and Dinner for Olivia Tournay Flatto at the Park Avenue Armory on October 19, 2022 in New York City. (Photo by Sylvain Gaboury/Patrick McMullan via Getty Images)

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Rounak Jain · Stocktwits

Published Mar 10, 2026, 11:22 AM

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Investor Bill Ackman’s hedge fund, Pershing Square, has filed for a $10 billion initial public offering (IPO) to list on the New York Stock Exchange following a delay of more than a year.

In its filing with the U.S. Securities and Exchange Commission (SEC), Pershing Square stated that it has secured $2.8 billion in commitments ahead of the IPO. The company is seeking to raise between $5 billion and $10 billion, according to the filing.

Ackman had previously sought to take Pershing Square public in 2024.

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