Berkshire Hathaway operates large insurance, rail transportation, energy, manufacturing, and retail businesses, but its equity portfolio is also a big contributor.

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Apple is by far Berkshire Hathaway’s largest holding. The tech giant makes up roughly half of Buffett’s entire portfolio. Warren Buffett owns over 900 million shares of Apple stock.

Complete Berkshire Hathaway Inc. Cl B stock information by Barron's. View real-time BRK.B stock price and news, along with industry-best analysis.

Find the latest historical data for Berkshire Hathaway Inc. (BRK/B) at Nasdaq.com. View historical data in a monthly, bi-annual, or yearly format.