Bill Ackman Portfolio Concentration: Top Holdings Analysis March 2026

Bill Ackman's Pershing Square Capital portfolio as of March 31, 2026, shows significant concentration in Brookfield Corp, Amazon, and Uber, with notable share changes.

By AI Generated.May 17, 2026, 12:00 AM
Bill Ackman Portfolio Concentration: Top Holdings Analysis March 2026

As of March 31, 2026, Bill Ackman's portfolio at Pershing Square Capital Management demonstrates significant concentration, with a total value of approximately $13.7 billion. The holdings are heavily weighted towards a select group of stocks, reflecting a concentrated investment approach.

The largest position is Brookfield Corp (BN), accounting for 17.62% of the portfolio. This investment in the Financial Services sector has seen a slight reduction in shares (-2.78%) compared to the previous period. Ackman also holds substantial stakes in Amazon (AMZN) and Uber (UBER), both representing approximately 17-18% of the portfolio. Amazon saw a significant increase in shares (+19.19%), while Uber experienced a minor decrease (-0.82%).

Microsoft (MSFT) is another major holding, making up 15.26% of the portfolio. Notably, the number of shares increased dramatically by 100% from the prior period. Other significant allocations include Restaurant Brands International (QSR) at 12.2%, Meta Platforms (META) at 11.1%, and smaller positions in Alphabet (GOOG and GOOGL).

The holdings in Alphabet Inc. (GOOG and GOOGL) are relatively small, at 0.65% and 0.07% respectively, but show substantial declines of nearly 95% in shares. For a complete picture of Bill Ackman's investment strategy, please visit his profile on Insiderset.

For detailed information on each company in Bill Ackman's portfolio, including their stock performance and financials, explore the individual company profiles linked below.

Bill Ackman Investor Profile

Brookfield Corp (BN)

Amazon (AMZN)

Uber (UBER)

Microsoft (MSFT)

Restaurant Brands International (QSR)

Meta Platforms (META)

Alphabet (GOOG)

Alphabet (GOOGL)