Warren buffett net worth

(Image credit: Getty Images)

Warren Buffett's stock picks aren't what they used to be. Indeed, the Berkshire Hathaway (BRK.B) equity portfolio has changed dramatically over the past few years.

Although old-guard favorites such as American Express (AXP) and Coca-Cola (KO) still form the core of the portfolio, Buffett & Co. have taken a shine to names such as Apple (AAPL) and Amazon.com (AMZN), and even to lesser-known firms such as Nu Holdings (NU).

One thing that hasn't changed, however, is Buffett's preference for maintaining a highly concentrated portfolio.

Excluding the company's Japanese brokerage stocks, Apple alone accounts for 26% of Berkshire's equity holdings. That's down from almost 50% a year ago.

Furthermore, Berkshire's top five U.S. equity holdings comprise about two-thirds of its portfolio's value, while the top 10 account for more than 80%.