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Bill Ackman Has 45% of His New Hedge Fund's Portfolio Invested in Just 3 Incredible Growth Stocks

Reported by Theglobeandmail
Sep 20, 2026· 2 min read
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Key Takeaways
  • • Bill Ackman's Pershing Square hedge fund maintains a concentrated portfolio strategy with approximately 45-48% of its $13.4–$14 billion stock portfolio invested in just three companies, reflecting his preference for high-conviction positions in undervalued growth businesses.
  • • Brookfield Corp. represents the largest single position at 17.5% of the portfolio, with Ackman betting on the company's expanding Brookfield Wealth Solutions insurance and annuities business, which manages $120 billion in assets with a stated growth target of $600 billion.
  • • Ackman's portfolio construction methodology prioritizes owning "the best 10 things" rather than broad diversification, employing a buy-and-hold approach focused on relatively long holding periods for undervalued companies with strong competitive advantages.
  • • Pershing Square recently filed for a dual IPO structure that would allow public investors to gain exposure to Ackman's fund through shares in both the hedge fund management company and a new closed-end fund vehicle, though most closed-end funds typically trade at a discount to net asset value.
Summary
Bill Ackman's Pershing Square Capital Management operates with a deliberately concentrated investment approach, with recent fund disclosures revealing that approximately 45–48% of the hedge fund's $13.4–$14 billion stock portfolio is deployed across just three core holdings. This concentration strategy reflects Ackman's stated investment philosophy of owning the highest-quality businesses available rather than pursuing broader diversification.

Brookfield Corp., a Canadian diversified holding company, anchors the portfolio at 17.5% of assets under management. Ackman's conviction in Brookfield centers on two key value drivers. The company operates Brookfield Wealth Solutions, an insurance and investment-management business modeled on Berkshire Hathaway's structure, which currently manages $120 billion in invested assets. Management has articulated an aggressive growth trajectory, targeting $600 billion in assets under management over time, with the recent acquisition of Just Group expected to accelerate this expansion to approximately $180 billion near term.

The fund's portfolio strategy reflects Ackman's long-established approach of identifying undervalued companies with sustainable competitive advantages and maintaining patient, long-term ownership positions. Rather than pursuing rapid trading or broad market exposure, Ackman concentrates capital in businesses he believes to be exceptional, allowing deep operational engagement and activist involvement where appropriate. This methodology has historically enabled him to realize significant value realization through both operational improvements and market re-rating as businesses achieve their potential.

Pershing Square's recent dual IPO filing represents a significant structural development, enabling public investors to access Ackman's investment strategy through shares in both the hedge fund management entity and a new closed-end fund vehicle. The offering structure includes incentive mechanisms to offset the typical discount to net asset value that closed-end funds experience upon public listing. This accessibility move democratizes participation in Ackman's concentrated, conviction-driven investment approach for institutional and retail investors who previously lacked direct access to the hedge fund.

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Theglobeandmail Bill Ackman Has 45% of His New Hedge Fund's Portfolio Invested in Just 3 Incredible Growth Stocks