Billionaire Bill Ackman Has 42% of His Hedge Fund's $18 Billion Portfolio Invested in 3 Incredible Stocks

What besides makes Ackman charismatic is that helium holds a highly concentrated portfolio of stocks, and he's much than consenting to sermon his thoughts connected each of Pershing Square's investments. While Ackman hasn't disclosed the nonstop holdings of his caller fund, Pershing Square USA, disclosures for assets held by the Pershing Square Capital Management money and Pershing Square itself see 13 antithetic positions.

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Moreover, astir 42% of the invested assets nether absorption is held successful conscionable 3 stocks, each of which warrant a person look. Let's dive in.

1. Amazon (15.3% of assets)

Ackman archetypal bought shares of Amazon (NASDAQ: AMZN) successful April 2025 amid the tariff-fueled sell-off successful stocks. He added to the presumption earlier this twelvemonth erstwhile the institution announced plans to walk arsenic overmuch arsenic $200 cardinal connected superior expenditures (capex), mostly connected AI infrastructure. Ackman made it wide that helium sees Amazon and different hyperscalers' accrued spending arsenic a motion of strength. In a missive to shareholders earlier this year, helium wrote: 

When a concern you own, managed by a absorption squad you trust, announces a ample summation successful superior spending owed to accrued request for its products oregon services, you should beryllium applauding alternatively than booing," helium wrote successful his missive to shareholders earlier this year.

Indeed, Amazon is seeing accelerating gross maturation for its unreality computing business, Amazon Web Services (AWS), successful enactment with its accrued capex budget. An adjacent bigger measurement up successful spending this twelvemonth should propulsion gross maturation higher successful 2027 and beyond.

Meanwhile, Amazon's halfway retail concern is seeing improved profitability. That's successful ample portion acknowledgment to optimizing its logistics web implicit the past fewer years aft a mates of years of rapidly gathering retired capacity. These improvements person improved shipping speeds portion reducing costs. Lower shipping costs per unit, combined with Prime subscription maturation and beardown advertizing revenue, person led to grounds operating margins for the concern successful caller quarters.