TLDR: Billionaire investor Bill Ackman, through his firm Pershing Square Capital Management, has significantly increased his bet on artificial intelligence, dedicating 45% of his $13.7 billion stock portfolio to just three AI-focused companies by the end of the second quarter. Uber Technologies accounts for 21% of this allocation, with other major tech giants like Amazon and Alphabet also noted as key AI holdings in his concentrated portfolio.
Billionaire investor Bill Ackman, head of Pershing Square Capital Management, has made a substantial commitment to the artificial intelligence sector, with recent filings revealing that 45% of his firm’s $13.7 billion publicly traded stock portfolio is concentrated in just three AI-related companies as of the end of the second quarter of 2025. This strategic allocation underscores a strong conviction in the burgeoning AI market’s growth potential.
Pershing Square, known for its highly concentrated investment approach typically involving eight to twelve publicly traded stocks, has seen robust performance. The fund reported a gain of 12.7% this year through July and an impressive 23.4% over the past year, outperforming the broader market .
Among the identified AI holdings, Uber Technologies (NYSE: UBER) stands out as Pershing’s largest position, accounting for a significant 21% of the total portfolio . Ackman has expressed admiration for Uber CEO Dara Khosrowshahi’s leadership in transforming the ride-hailing giant into a ‘highly profitable and cash-generative growth machine’ . Uber’s appeal as an AI investment stems from its strategic positioning in the autonomous vehicle market, leveraging its operational excellence and vast data to enhance demand prediction, driver routing, and pricing efficiency . The company also announced a $20 billion share repurchase program in the second quarter and reported a 15% year-over-year increase in monthly active platform users to 180 million, with 3.3 billion rides booked, up 18% year-over-year . Pershing projects Uber’s annual earnings per share to grow by 30% for several years, with shares potentially doubling within three to four years .
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While the specific identities of the other two AI stocks making up the 45% allocation were not explicitly detailed in the most aligned reports, other financial analyses highlight Ackman’s increasing tilt towards ‘Magnificent Seven’ tech stocks with strong AI ties. Amazon (NASDAQ: AMZN) and Alphabet (GOOGL) are frequently mentioned as significant AI holdings within his portfolio . Nasdaq reported that Amazon constituted 9% of Ackman’s portfolio, contributing to a 30% total AI allocation when combined with Uber . Amazon’s AI investments are expected to boost profitability in its retail business and drive revenue growth in its cloud services (AWS), which is the largest public cloud provider . The company is also developing autonomous ride-hailing services through its subsidiary Zoox, with a launch planned for Las Vegas in 2025 . This strategic shift underscores Ackman’s strong conviction in AI as a transformative structural trend across various industries .


