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.
Latest form 10-K annual reports for Berkshire Hathaway CIK: 0001067983
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