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Susan Thompson Buffett Foundation Portfolio 2025: Berkshire Hathaway Dominates Holdings

Reported by Hedgefundalpha
Jul 24, 2026· 2 min read
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Key Takeaways
  • • Warren Buffett converted 8,239 Berkshire Hathaway Class A shares into 12.36 million Class B shares and distributed them across five foundations, with the Susan Thompson Buffett Foundation receiving 9 million shares valued at approximately $4.5 billion.
  • • The Susan Thompson Buffett Foundation, named after Buffett's late first wife, focuses on reproductive health and family planning initiatives globally, including investments in abortion and contraceptive programs.
  • • Berkshire Hathaway's equity portfolio maintains a $304 billion valuation across 169 stocks as of 2026, with Apple (AAPL) representing the largest holding at 21.99%, followed by American Express (AXP) among top-five positions.
  • • Berkshire Hathaway's equity portfolio has delivered an annualized return of 10.87% from 2013 through August 2025, demonstrating consistent performance across the multi-year period.
  • • The foundation transfer accelerates Buffett's philanthropic giving plan and represents a strategic realignment of charitable distribution priorities among legacy charitable vehicles.
Summary
Warren Buffett executed a significant transfer of Berkshire Hathaway equity to philanthropic institutions, converting 8,239 Class A shares into 12.36 million Class B shares for distribution to five foundations. The Susan Thompson Buffett Foundation, named in honor of his deceased first wife, received the largest allocation of 9 million shares, valued at approximately $4.5 billion. This transaction represents an acceleration of Buffett's previously announced $6 billion giving plan and reflects a deliberate restructuring of his charitable giving architecture.

The Susan Thompson Buffett Foundation maintains a distinctive philanthropic focus centered on reproductive health and family planning initiatives worldwide. The foundation's investment thesis emphasizes global health interventions, including substantial allocations toward abortion access and contraceptive distribution programs—a strategic positioning that differentiates it from other major charitable vehicles in the philanthropic landscape.

As of the first quarter of 2026, Berkshire Hathaway's broader investment portfolio maintains a valuation of approximately $304 billion distributed across 169 individual stock positions. Apple represents the dominant holding, comprising 21.99% of the equity portfolio, with American Express among the other significant core positions. The underlying equity portfolio has generated an annualized return of 10.87% over the 2013-2025 period, reflecting sustained performance during a period encompassing both bull and bear market cycles.

The share transfer underscores Buffett's continued commitment to systematic wealth distribution during his lifetime, with the foundation transfers representing a material component of his philanthropic strategy. The allocation of $4.5 billion to the Susan Thompson Buffett Foundation specifically addresses global health priorities and reflects the foundation's long-standing programmatic emphasis on reproductive health access and family planning infrastructure in underserved regions.

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Hedgefundalpha Susan Thompson Buffett Foundation Portfolio 2025: Berkshire Hathaway Dominates Holdings