Which company is Warren Buffett’s conglomerate and trades under the Class A ticker BRK.A?

Berkshire Hathaway is Warren Buffett’s conglomerate and trades under the Class A ticker BRK.A. Buffett has led the company since 1965, transforming it from a struggling textile manufacturer into a diversified holding company.

Berkshire owns or invests in businesses across insurance, freight rail, utilities, energy, manufacturing, retail, and consumer products. Its wholly owned companies include GEICO, BNSF Railway, and Berkshire Hathaway Energy, while its investment portfolio has included large stakes in publicly traded corporations. Insurance operations are especially important because premiums provide capital that Berkshire can invest, a structure known as “float.”

Berkshire’s Class A shares are famous for their exceptionally high price, partly because the company has never split them. It also offers lower-priced Class B shares, created in 1996 to make ownership more accessible. Market capitalization counts both classes, so the company’s market value is not represented by the Class A quote alone.