As of September 30, 2026, under Warren Buffett's leadership, Berkshire Hathaway holds a $299.3 billion publicly traded portfolio across 26 positions, with Apple accounting for 22% of the total.
Berkshire Hathaway, led by Warren Buffett, reports a publicly traded portfolio valued at $299.3 billion as of September 30, 2026, spread across 26 positions.
Berkshire Hathaway: Warren Buffett's Investment Philosophy
The fund follows Warren Buffett's philosophy, which emphasizes the long-term holding of undervalued stocks in companies with sustainable competitive advantages.
This investment style aligns with a value-oriented approach, focusing on businesses generating stable cash flows and operating in sectors with strong brand power or high entry barriers.
Major New Positions and Strengthens
According to the information available in the August 14, 2026, 13F filing, the document does not detail changes from the previous quarter; no new positions or strengthens are explicitly indicated in the published data.
Cuts and Exits â What Buffett is Leaving Behind
Similarly, the filing does not report any position reductions or full exits among the 26 declared stocks; the positions remain unchanged from the end of the last quarter.
Sectoral Allocation of the Portfolio
Technology, primarily represented by Apple Inc. and Alphabet Inc., accounts for approximately 34.6% of the portfolio, reflecting significant exposure to digital services and advertising platforms.
Financial services, embodied by American Express Co. and Bank of America Corp., represent nearly 26.3% of the portfolio, highlighting the importance placed on institutions with broad customer networks and recurring revenue generation.
Consumer staples, illustrated by Coca-Cola Co. and Kraft Heinz Co., aggregate around 13.5% of the portfolio, indicating a preference for historic brands with strong customer loyalty.
The energy sector, featuring Chevron Corporation and Occidental Petroleum Corp., represents approximately 9.0% of the portfolio, reflecting an allocation to companies with hydrocarbon reserves and the ability to adapt to oil market cycles.
Analysis of the Top Ten Positions
Apple Inc. leads with a value of $65.95 billion, representing 22.0% of the portfolio, and 227,917,808 shares held, making it the fund's largest technology sector exposure.
American Express Co. ranks second with $51.28 billion, accounting for 17.1% of the portfolio, and 151,610,700 shares, reflecting a focus on high-margin payment models.
Alphabet Inc. appears in third place with $37.76 billion, representing 12.6% of the portfolio, and 105,979,600 shares, underscoring the importance of global advertising revenues.
Coca-Cola Co. holds $32.51 billion, equivalent to 10.9% of the portfolio, with 400,000,000 shares, illustrating confidence in a global non-alcoholic beverage brand.
Bank of America Corp. represents $27.54 billion, accounting for 9.2% of the portfolio, and 483,394,015 shares, highlighting a diversified U.S. bank.
Chevron Corporation accounts for $13.99 billion, equivalent to 4.7% of the portfolio, with 84,375,856 shares, indicating exposure to oil exploration and production activities.
Occidental Petroleum Corp. holds $12.87 billion, representing 4.3% of the portfolio, and 264,941,431 shares, reinforcing the fund's energy sector position.
Chubb Limited represents $11.67 billion, equivalent to 3.9% of the portfolio, with 34,249,183 shares, offering exposure to the global insurance market.
Moody's Corp. holds $11.17 billion, accounting for 3.7% of the portfolio, and 24,669,778 shares, underscoring interest in financial rating services.
Kraft Heinz Co. figures with $7.69 billion, equivalent to 2.6% of the portfolio, and 325,634,818 shares, emphasizing the packaged food sector.
Limitations of the 13F Filing: What This Report Doesn't Say
The 13F form must be filed within 45 days after the end of the quarter, introducing a lag between portfolio reality and official publication. It only covers long equity positions in U.S. stocks, excluding short sales, options, futures, and non-U.S.-listed securities. Consequently, the filing does not reveal the entirety of the fund's exposure, particularly its non-equity strategies or international positions.
