Pershing Square Holdings Ltd. is a closed-ended investment holding company that operates as a permanent capital vehicle for Pershing Square Capital Management, L.P., the New York-based investment adviser founded by activist investor Bill Ackman. The company's primary business model involves making concentrated, long-term investments in a select portfolio of 8 to 12 large-capitalization, publicly traded North American companies. Its investment strategy focuses on acquiring significant, though generally non-controlling, stakes in high-quality businesses with predictable, recurring cash flows and limited downside risk. Pershing Square often employs an active and engaged investment approach, working closely with the management and boards of its portfolio companies to catalyze strategic, operational, and governance changes aimed at unlocking shareholder value. The fund's revenue is generated entirely from its investment activities, including capital appreciation, dividends, and interest income from its equity and debt holdings, as well as gains from asymmetric hedging strategies using derivative instruments. Geographically, while the company is domiciled in Guernsey and listed on the London Stock Exchange, its investment footprint is heavily concentrated in the United States and Canada across various sectors such as consumer services, real estate, financials, and technology. As a closed-end fund, it provides a stable pool of capital not subject to investor redemptions, allowing the investment manager to pursue long-term value creation without the liquidity pressures typical of traditional open-ended hedge funds.