Oppenheimer Holdings Inc conducts activities in the securities industry. The company is involved in retail securities brokerage, investment banking (both corporate and public finance), institutional sales and trading, market-making, research, trust services, and investment advisory and asset management services. The company has three segments: private client, asset management, and capital markets. The Private Client segment, commissions and a proportionate amount of fee income earned on assets under management ("AUM"), net interest earnings on client margin loans and cash balances, fees from money market funds, and custodian fees. The company generates the majority of its revenue from the Americas, with the rest from Europe, the Middle East, and Asia.