Bill Ackman's Hedge Fund Allocates Nearly 40% to Three Major AI Stocks

Pershing Square Capital Management, led by billionaire Bill Ackman, has allocated nearly 40% of its portfolio to three prominent artificial intelligence (AI) stocks as of December 31, 2025. This strategic concentration highlights the hedge fund's conviction in the long-term growth potential of these technology leaders. The three companies—Amazon, Alphabet, and Meta Platforms—were acquired at what Ackman deemed attractive valuations during periods of market pessimism. Ackman's firm holds $2.2 billion in Amazon (NASDAQ: AMZN), $1.9 billion in Alphabet (NASDAQ: GOOGL and NASDAQ: GOOG), and $1.8 billion in Meta Platforms (NASDAQ: META). These positions were initiated at varying times and valuations: Alphabet in Q1 2023 at a forward P/E of 16, Amazon in April 2025 at a forward P/E of 25, and Meta in Q4 2025 at a forward P/E of 20. The timing reflects Ackman's philosophy of investing when market sentiment is weak but fundamentals remain strong. The selected companies are making substantial capital expenditures in AI infrastructure. Alphabet plans $175 billion to $185 billion in 2026, Amazon $200 billion, and Meta $115 billion to $135 billion. Collectively, these firms hold $331 billion in cash and equivalents, providing financial flexibility to sustain aggressive investments. Ackman's rationale centers on trust in their management teams' ability to allocate capital effectively to drive earnings growth. This concentrated bet aligns with Ackman's value-oriented strategy, influenced by Warren Buffett's principles of investing in high-quality businesses at reasonable prices. With Pershing Square holding just 11 positions overall, the heavy weighting in AI stocks underscores a deliberate focus on sectors poised to benefit from technological advancement.