Berkshire Hathaway Inc. (BRK-B) vs Cisco Systems, Inc. (CSCO)

Berkshire Hathaway Inc. is a publicly traded diversified holding company with major businesses and investments across insurance, freight rail, energy, manufacturing, retail, and financial assets. Its shares give investors exposure to the operating performance of its subsidiaries as well as the value of its large public-equity portfolio. The company's performance is influenced by insurance underwriting results, investment returns, economic activity, interest rates, capital allocation, and broader market conditions.

Cisco Systems, Inc. is the world’s largest provider of networking equipment and ranks among the largest software companies globally. Its core businesses include networking hardware and software, where it holds leading market positions, as well as cybersecurity software such as firewalls. The company also offers collaboration solutions, including its Webex suite, and observability tools. Cisco primarily relies on third-party manufacturers and maintains a large sales and marketing organization of 25,000 employees across 90 countries. In total, the company employs about 80,000 people and markets its products worldwide.