{"schema":"rootz.ai/sec-company/v1","layer":1,"cik":"0000791963","name":"OPPENHEIMER HOLDINGS INC","summary":"Oppenheimer Holdings Inc. is a middle-market investment bank and full-service broker-dealer incorporated in Delaware. Through subsidiaries including Oppenheimer & Co., OAM, Oppenheimer Trust, and OPY Credit, it provides retail securities brokerage, institutional sales and trading, investment banking, equity and fixed income research, market-making, trust services, and investment advisory and asset management services. 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