Ackman's Pershing Square IPO Raises $5 Billion: What Every Investor Needs to Know Right Now

Ackman's Pershing Square IPO Raises $5 Billion — And I've Been Glued to This Story for Weeks I'll be honest with you. When I first heard that Bill Ackman was planning to take Pershing Square public and potentially raise up to $10 billion, I rolled my eyes a little. Not because I doubt Ackman's ability to generate returns — the guy's track record speaks for itself — but because that number sounded more like a headline grab than a realistic target. And look, I was half right. The Pershing Square IPO officially priced on April 28, 2026 and raised $5 billion in gross proceeds , not $10 billion. Still a massive deal. Still one of the largest closed-end fund IPOs in US market history. But the gap between ambition and reality here is actually the most interesting part of the story, and I want to walk you through all of it — the structure, the numbers, the risks, and what this means if you're someone like me who's been watching the markets closely and wondering wheth…