Berkshire Hathaway Inc. is an American holding company, whose conglomerate includes over 80 companies with activities spanning a wide range of business areas, including insurance and reinsurance, rail freight, energy supply, financial services, manufacturing, and wholesale and retail. The chairman is the major US investor and multi-billionaire Warren Buffett.
As of December 2025 Berkshire Hathaway has a market cap of NZ$1.882 Trillion. This makes Berkshire Hathaway the world's 11th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.