Billionaire Bill Ackman Concentrates 39% of Pershing Square’s Portfolio in Three High-Conviction Stocks

Billionaire Bill Ackman has invested $7 billion into Brookfield, Uber, and Alphabet. Discover why Pershing Square is betting on these three market leaders.

By: AXL Media

Published: Apr 13, 2026, 9:22 AM EDT

Source: Information for this report was sourced from The Motley Fool

Strategic Concentration in High-Value Market Leaders

Bill Ackman, the billionaire founder of Pershing Square Capital Management, continues to operate one of the most concentrated portfolios in the hedge fund industry. Despite recent headlines regarding his fund’s IPO paperwork and a takeover bid for Universal Music Group, Ackman’s core investment strategy remains focused on a handful of "stellar" companies. Public disclosures reveal that approximately 39% of Pershing Square’s $17.7 billion stock portfolio is tied up in just three primary positions. This high-conviction approach allows the fund to capitalize significantly on the growth of businesses that Ackman believes are fundamentally undervalued by the broader market.

Brookfield Corporation: Emulating the Berkshire Hathaway Model

Accounting for 14.5% of Pershing Square’s assets, Brookfield Corporation has become a cornerstone of Ackman’s investment thesis. The company is successfully transitioning into an investment-led insurance giant, a structural pivot reminiscent of Warren Buffett’s strategy at Berkshire Hathaway. By utilizing insurance float to fund equity investments, Brookfield aims to scale its invested assets from $120 billion to a projected $600 billion. Furthermore, its asset management arm is expected to generate $25 billion in carried interest over the next decade. Trading at less than 17 times its distributable earnings, Ackman views the stock as a significant bargain given its projected 25% growth rate.

Uber: Navigating the Transition to Autonomous Logistics

Uber Technologies represents 12.3% of the portfolio, a position rooted in the company's dominance as a demand aggregator. While some investors fear the rise of self-driving cars, Ackman views Uber as the essential partner for autonomous vehicle (AV) manufacturers. By striking partnerships with Alphabet’s Waymo and Motional, Uber is positioning itself as the critical platform for AV deployment. The company's massive data reserves and its "network effect" have already driven a 35% increase in earnings per share over the past year. With monthly users growing at 18%, the stock remains attractive to value investors at its current forward earnings multiple.