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Pershing Square IPO: PSUS stock price down 16% today as Bill Ackman's firm finally goes public

Reported by Fastcompany
Apr 29, 2026· 2 min read
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Key Takeaways
  • • Pershing Square USA (PSUS) IPO priced at $50 per share but closed its first trading day at $40.90, representing an 18% decline from the offering price and a 16% drop from its opening level of approximately $42.
  • • The combined IPO raised $5 billion across two securities: Pershing Square USA (PSUS) and Pershing Square Inc. (PS), with PS closing at $24.20 on its debut trading day.
  • • Bill Ackman's flagship hedge fund went public on Wednesday via a New York Stock Exchange listing, marking a significant step in bringing his investment vehicle to public markets after years of operating as a closed-end fund structure.
  • • The weak opening reflects investor skepticism despite strong pricing demand, suggesting potential concerns about valuations, market conditions, or the fund's positioning heading into the offering.
Summary
Pershing Square Holdings' highly anticipated dual listing debut proved disappointing for investors and management alike. The $5 billion IPO, which included both Pershing Square USA (PSUS) and Pershing Square Inc. (PS), opened sharply below its $50 per share offer price on Wednesday, with PSUS shares reaching approximately $42 in early trading—an immediate 16% shortfall. By day's end, PSUS had deteriorated further to $40.90, representing an 18% decline from the IPO price. The related vehicle, PS, closed at $24.20.

The magnitude of the first-day selloff signals meaningful friction between the pricing discipline required in IPO marketing and subsequent market reception. While the IPO successfully raised its $5 billion target, the immediate price action suggests either overpricing relative to investor valuations or broader market hesitation about the hedge fund structure going public at this juncture. This represents a notable deviation from typical IPO performance, where successful offerings often trade at or near offer prices on debut.

The timing of Pershing Square's transition to public markets comes as Bill Ackman's investment platform seeks to broaden its investor base beyond traditional institutional and accredited investor pools. However, the weak opening raises questions about execution and market appetite for actively managed hedge fund vehicles in a public market context. For institutional investors and hedge fund analysts monitoring this space, the gap between offer price and opening trade represents a tangible valuation disconnect that warrants close attention to underlying fund performance and positioning in coming quarters.

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Sources

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Fastcompany Pershing Square IPO: PSUS stock price down 16% today as Bill Ackman's firm finally goes public