Under the leadership of CEO Greg Abel, Berkshire Hathaway has continued to refine its investment strategy, favoring a highly concentrated portfolio of select companies over broad diversification. Recent data indicates that approximately 68% of the firm’s equity portfolio is currently allocated to just five core holdings: Apple, American Express, Coca-Cola, Bank of America, and Chevron.
The Philosophy of Concentration
This approach mirrors the long-standing investment principles of Warren Buffett, who has historically advocated for owning significant stakes in a limited number of high-quality businesses rather than spreading capital thinly across numerous mediocre ones. By narrowing the portfolio to fewer than 30 holdings, Berkshire aims to focus on companies characterized by wide competitive moats and durable earnings potential.
For Berkshire’s management, the risk lies not in concentration, but in over-diversification. The objective is to deploy capital into businesses that management understands deeply, prioritizing long-term stability and consistent cash flow generation over short-term market fluctuations.
The American Express Model
Among Berkshire’s top five holdings, American Express remains a notable example of this strategy. Unlike traditional lenders that rely heavily on interest rate spreads and loan growth, American Express operates a “closed-loop” network. This model allows the company to act as both the card issuer and the payment processor, enabling it to earn fees on the vast majority of transaction volume.
The company’s strategic focus has increasingly shifted toward capturing a younger, affluent demographic. Reports indicate that millennials and Gen Z consumers now account for approximately 65% of new consumer accounts globally. By integrating lifestyle perks—such as dining reservations and retail credits—the company aims to secure long-term loyalty from high-earning individuals early in their careers.
Macroeconomic Considerations
While the business model is designed for compounding, it is not immune to broader economic forces. As with any financial institution, American Express remains sensitive to shifts in consumer spending patterns. A significant economic downturn could compress growth and increase the probability of credit losses, even among a typically resilient customer base. Furthermore, the company continues to navigate a competitive landscape filled with fintech challengers and established payment networks vying for the same demographic.
Berkshire Hathaway’s persistent position in American Express—held for more than three decades—underscores the firm’s preference for companies with strong pricing power and the ability to maintain customer satisfaction while scaling operations. This focus on quality over quantity remains the cornerstone of the Berkshire Hathaway investment thesis as the company transitions into its next era of leadership under Greg Abel.


