Oppenheimer Holdings Inc. is a full-service investment bank and broker-dealer that serves high-net-worth individuals, families, and institutional clients through a network of financial advisors and capital markets professionals. The company operates through three primary business segments: Wealth Management, which provides brokerage, advisory, and asset management services to affluent clients; Capital Markets, which offers investment banking advisory, equity research and trading, and fixed income trading and sales to institutional clients; and Proprietary Trading and Investments, through which the company trades securities as a principal and holds alternative investments. The company generates revenue from commissions on brokerage transactions, advisory and management fees on assets, underwriting and transaction fees from investment banking, interest income from lending, and trading revenues from principal activities.