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22.4% of Billionaire Bill Ackman’s Pershing Square Capital Management Is Invested in These 2 Artificial Intelligence (AI) Stocks

Reported by Theglobeandmail
Sep 17, 2026· 2 min read
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Key Takeaways
  • • Bill Ackman's Pershing Square Capital Management allocates 22.4% of its portfolio to two artificial intelligence stocks: Microsoft (MSFT) and Amazon (AMZN), reflecting a concentrated bet on AI-driven technology leaders.
  • • Microsoft represents a significant position following Ackman's sale of most of his Alphabet holdings and redeployment of approximately $2.1 billion into the "Magnificent Seven" stock, positioning the hedge fund to capture Microsoft's indirect exposure to OpenAI through its approximately 27% economic interest.
  • • AI-focused holdings comprise over 50% of Pershing Square's total portfolio when including broader tech positions, indicating Ackman's strategic conviction in artificial intelligence as a macro investment theme across multiple high-growth technology platforms.
  • • Pershing Square has maintained or expanded positions in additional AI-adjacent stocks including Meta Platforms, Uber Technologies, Netflix, and ICE (New York Stock Exchange owner), demonstrating diversified exposure to AI monetization across infrastructure, advertising, and consumption patterns.
Summary
Bill Ackman's Pershing Square Capital Management has concentrated a meaningful portion of its portfolio in artificial intelligence-focused equities, with Microsoft and Amazon representing 22.4% of total assets under management. This allocation reflects Ackman's deliberate repositioning within the technology sector, most notably through the liquidation of his Alphabet position and redeployment of approximately $2.1 billion into Microsoft during the first quarter. The shift underscores Ackman's strategic preference for direct exposure to companies positioned to benefit from AI commercialization.

Microsoft's position in the portfolio carries particular strategic significance given the software giant's approximately 27% economic interest in OpenAI, a valuation element that Ackman has highlighted as not fully reflected in the company's headline valuation multiple. This indirect leverage to the leading generative AI platform provides Pershing Square with concentrated exposure to frontier AI development and deployment, complementing Amazon's dominant position in cloud infrastructure through Amazon Web Services (AWS), a critical enabler of enterprise AI adoption.

When aggregated, Pershing Square's AI-related holdings exceed 50% of the fund's total portfolio. Beyond Microsoft and Amazon, the hedge fund maintains significant positions in Meta Platforms, Uber Technologies, and has taken new positions in Netflix and ICE, broadening exposure across multiple vectors of AI monetization—from advertising algorithms and autonomous vehicle development to content recommendations and financial market infrastructure. This portfolio composition reflects Ackman's conviction that artificial intelligence represents a transformative macro investment theme with durable competitive advantages concentrated among well-capitalized technology incumbents capable of capturing value across the AI value chain.

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Theglobeandmail 22.4% of Billionaire Bill Ackman’s Pershing Square Capital Management Is Invested in These 2 Artificial Intelligence (AI) Stocks