Berkshire Hathaway (BRYN.DE) Stock Analysis & Winston Score

Berkshire Hathaway is a giant American holding company that owns dozens of well-known businesses across many industries. Its biggest and most important business is insurance, including GEICO car insurance and several reinsurance companies that sell coverage to other insurers. It also fully owns businesses like BNSF Railway, Berkshire Hathaway Energy, and dozens of manufacturers and retailers, while holding large stock investments in companies like Apple and Coca-Cola. The company makes money in two main ways: premiums collected from insurance customers, and profits from its many owned businesses and stock portfolio. It operates primarily in the United States but has international investments and subsidiaries as well. Its core competitive advantage is the "float" from its insurance operations — money collected before claims are paid — which Warren Buffett has used for decades to fund investments at low cost. The biggest risk the company faces is finding large enough acquisitions to meaningfully move the needle given its enormous $881 billion size.