Bill Ackman's Q4 Portfolio Highlights Major Increases in Brookfield, Amazon, and META

Bill Ackman's portfolio, managed by Pershing Square Capital Management, as of December 2025, reflects notable shifts in key holdings. The portfolio, valued at approximately $15.5 billion, shows significant share increases in several major positions.

Brookfield Corp (BN) stands out with a substantial 49.69% increase in shares held during the quarter, raising its portfolio allocation to 18.15%. This significant stake increase is noteworthy. Ackman's position in Amazon (AMZN) also saw a dramatic expansion, with shares increasing by 64.99%, boosting its allocation to 14.28%. Both holdings represent major growth areas in his portfolio.

Meanwhile, the position in META Platforms Inc (META) experienced a 100% increase in shares during the quarter, significantly elevating its portfolio weight to 11.37%. This represents a substantial new investment. Ackman's stake in Alphabet Inc (GOOG) decreased by 2.53% in shares during the period, though its allocation remains substantial at 12.46%.

Other positions like Restaurant Brands International (QSR) and Hilton Worldwide Holdings (HLT) saw minor share decreases, but their overall portfolio allocations remained relatively stable. For a detailed view of Bill Ackman's investment profile, visit his profile on Insiderset. Detailed information on each stock, including Amazon, can be found on Insiderset's stock pages.