How Bill Ackman Shifted His AI Strategy: A Hilton Exit for Meta's Massive Opportunity

Bill Ackman’s recent portfolio moves reveal a calculated bet on artificial intelligence’s transformative potential. Through his hedge fund Pershing Square Capital, Ackman has been systematically reshaping his holdings to capitalize on the AI boom, signaling a notable strategic pivot away from traditional investments toward next-generation technology plays.

Why Bill Ackman Divested From Hilton After Seven Years

Ackman initially accumulated Hilton Worldwide shares in 2018, doubling down near the pandemic’s onset in 2020. The hospitality giant’s diversified brand portfolio and expanding loyalty network had delivered impressive results. Hilton’s membership base nearly tripled to 243 million from 85 million, while room inventory surged from 913,000 to over 1.3 million properties. The company’s operational efficiency improved dramatically—adjusted EBITDA climbed from $2.1 billion to $3.7 billion over the seven-year period.

However, Ackman recognized when returns had peaked. Despite Hilton’s fundamental progress, the stock’s valuation had outpaced its earnings growth. The enterprise value-to-EBITDA ratio ballooned to approximately 21.5x, while the forward P/E multiple sat at 36. With management guiding for EBITDA surpassing $4 billion and a room pipeline of 520,500 units, future gains appeared limited relative to the price already paid. Pershing Square entirely exited the position during its 2026 shareholder presentation, allowing Ackman to redeploy capital into more compelling opportunities.

Bill Ackman’s New AI Conviction: The Meta Platforms Investment

Rather than holding cash, Ackman deployed fresh capital into Meta Platforms, a decision he unveiled at the same shareholder meeting. He describes Meta’s business architecture as “one of the clearest beneficiaries of AI integration”—a company fundamentally reshaping how its advertising engine operates through machine learning.

The recent weakness in Meta’s share price, driven by investor anxiety over the company’s aggressive infrastructure buildout, presented exactly the kind of asymmetric opportunity Ackman targets. Trading at 22x forward earnings—or just 18x when excluding the Reality Labs augmented reality division—Meta’s core advertising business offers remarkable valuation relative to its growth prospects.

The AI-Powered Advertising Advantage

Meta’s AI infrastructure now drives its recommendation algorithms across Facebook and Instagram, directly translating to stronger user engagement. During the fourth quarter, ad impressions increased 18%, while average ad prices climbed 6%—both metrics fueled by algorithmic improvements. Beyond today’s results, the potential applications appear limitless: generative AI could lower entry barriers for advertisers, unlock new revenue streams through Messenger and WhatsApp chatbots, and establish advertising within Meta’s proprietary AI assistant, its answer to ChatGPT.

Infrastructure Investment as Strategic Asset Building

Meta’s guidance projects $115-135 billion in annual capital expenditures—a staggering 73% increase from the prior year—aimed at powering this AI expansion. Ackman contends that front-loading these costs is strategically sound because Meta’s core advertising business generates sufficient cash flow to absorb overbuilding risk. The company’s fortress balance sheet further strengthens this thesis.

Ackman’s framework for evaluating this investment reflects his broader philosophy: identify businesses where temporary market pessimism about near-term spending obscures powerful long-term earnings trajectories. At current valuations, Meta’s 20% projected annualized earnings-per-share growth provides a substantial runway from this entry point.

The Pattern Behind Ackman’s Strategic Rebalancing

Ackman’s 2023 investment in Alphabet and 2024 acquisition of Amazon shares followed similar logic—recognizing that market skepticism toward AI headwinds masked tremendous upside in cloud computing and AI capabilities. His concentrated portfolio approach concentrates capital behind his highest-conviction themes, a strategy his AI-focused positions have validated impressively.

The Hilton-to-Meta transition exemplifies how even successful investments must make way for superior opportunities. While Hilton delivered solid returns, the risk-reward profile had fundamentally shifted. Meta, despite near-term spending concerns, offers the type of inflection point that drives generational wealth creation—precisely the opportunities Ackman’s investment process targets.