Warren Buffett's Berkshire Hathaway Reports a Portfolio of $299.3 Billion as of Q3 2026

Berkshire Hathaway, led by Warren Buffett, reported a total portfolio of $299.3 billion as of September 30, 2026, according to the Form 13F filed with the SEC on August 14, 2026.

Warren Buffett's Investment Philosophy at Berkshire Hathaway

Warren Buffett, chairman and major shareholder of Berkshire Hathaway, adheres to an investment philosophy centered on the intrinsic value of businesses, the quality of management, and the ability to generate sustainable cash flows. For decades, the fund has favored long-term positions in companies with stable business models, recurring profits, and purchase prices below estimated intrinsic value. This approach, often referred to as "value investing," translates into a preference for financials, consumer staples, mature technology sectors, and energy, where margins are predictable. Berkshire's track record demonstrates superior long-term performance compared to market averages, even though the portfolio remains concentrated in a few major stocks. The sector allocation reflects Buffett's conviction that strong businesses withstand economic cycles, offering a margin of safety against macroeconomic uncertainties.

Key New Positions and Strengthens

The ranking of the top ten largest positions reveals that Apple Inc. amounts to $65.95 billion, representing 22.0% of the portfolio, with 227,917,808 shares held. American Express ranks second with $51.28 billion (17.1% of the portfolio) and 151,610,700 shares. Alphabet Inc. is in third place at $37.76 billion (12.6% of the portfolio), followed by Coca-Cola at $32.51 billion (10.9%). Bank of America completes the top five with $27.54 billion (9.2%). The remaining positions in the top ten – Chevron ($13.99 billion, 4.7%), Occidental Petroleum ($12.87 billion, 4.3%), Chubb Limited ($11.67 billion, 3.9%), Moody’s Corp. ($11.17 billion, 3.7%), and Kraft Heinz Co. ($7.69 billion, 2.6%) – reinforce diversification across energy, insurance, financial services, and consumer goods. The sixteen other non-detailed positions total $26.8 billion, approximately 9% of the global portfolio, indicating that major positions concentrate over 90% of the declared value.

Cuts and Exits – What Buffett is Leaving Behind

The Form 13F does not provide direct information on changes in holdings compared to the previous quarter, as it only lists positions held at the end of the quarter. Without a comparison to the prior filing, it's impossible to identify reductions or complete exits made during Q3 2026. Therefore, no precise information can be extracted regarding the stocks Berkshire Hathaway might have sold or reduced, nor the potential reasons for these decisions. Investors should refer to previous filings or other information sources, such as press releases or public statements by Warren Buffett, to gain insight into portfolio movements between quarters.

Limitations of the 13F: What This Filing Doesn’t Say

A Form 13F only lists long positions in U.S.-listed common stocks, with a filing deadline of 45 days after the end of the quarter. Positions held through funds, options, futures, or foreign investments are not included in the report. Additionally, short positions, derivative strategies, and indirect holdings are excluded, which may mask a significant portion of the fund's actual exposure. The reported value corresponds to market value at the end of the quarter, not current value, implying that post-filing fluctuations are not reflected. The complete filing is available on the SEC's EDGAR website, where investors can view the detailed table of shares, number of shares, and value as of the quarter-end date. Thus, the 13F should be considered a partial snapshot, supplemented by other information sources to grasp Berkshire Hathaway's overall strategy.