Founded in 1881, Oppenheimer’s story spans the earliest days of Wall Street to today’s global financial markets. From our origins as Fahnestock & Co., through periods of economic transformation, expansion, and resilience, the firm has continually evolved to meet the needs of each new generation of clients. Today, Oppenheimer operates 86 branch offices across the United States, with international offices in Europe, Israel, and Asia—reflecting the scale and reach of a firm built to serve clients wherever opportunity exists. Across 145 years, one principle has remained constant: a commitment to long-term relationships, thoughtful guidance, and forward-looking growth. View our history video to learn more, and explore Oppenheimer’s journey through the eras in the interactive timeline below.