Bill Ackman’s Bid to Be More Like Buffett Is Finally Unfolding

His time horizon is infinite. His capital is permanent. And the rewards, he argues, should be enormous.

That’s the pitch Bill Ackman is making as he moves to take Pershing Square public alongside a new closed-end fund in a deal that could raise as much as $10 billion and bring millions of everyday investors further into his orbit.

For Ackman, it’s a comeback from a prior, aborted attempt to list a blockbuster closed-end fund in the US. But it’s also something bigger: a milestone in his years-long project to turn Pershing Square into a modern-day version of Warren Buffett’s Berkshire Hathaway Inc.

On offer are shares of Pershing Square USA Ltd., the closed-end fund. But for every 100 shares of PSUS they buy, investors will automatically receive 20 shares in the management company Pershing Square Inc. The structure means the closed-end fund will have a more permanent base of capital, which Ackman says will let him pick winners and allow them to bloom without worrying about investors yanking their money.

“Our long-term goal for Pershing Square Inc. is to build one of the most valuable companies in the world by generating one of the best long-term performance records of any investor ever,” Ackman, who has a net worth of more than $8 billion, wrote in a letter to investors this week.

The pitch is a timely one. The private-markets boom has given rise to a bevy of products that promise occasional liquidity while owning hard-to-sell assets like private loans and real estate. But now a wave of investor redemptions is forcing titans like Blackstone Inc. and BlackRock Inc. to balance those withdrawal requests with a need to keep the underlying portfolios healthy.

That’s precisely the kind of crunch Ackman says his business model avoids. Pershing investors would get liquidity by selling their shares, not by asking the manager for their money back.