Investors shouldn’t overlook Berkshire Hathaway’s smaller holdings, like Visa and Mastercard, which have strong network effects reducing competitive risk. These two stocks make up 1.5% of Berkshire’s portfolio, with Visa holding $2.7 billion worth of shares and Mastercard holding $2.2 billion. Despite not guaranteeing market outperformance, Visa and Mastercard have shown strong financial growth over the past decade. While they may not offer outsized returns, these stocks provide a solid foundation for a portfolio. Investors considering Mastercard should note it wasn’t among the Motley Fool’s top 10 stock picks, but should explore other opportunities for potential gains.

Read more at Nasdaq: 2 of the Safest Buffett Stocks Investors Can Buy in 2026