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EXHIBIT 21

Subsidiaries of Oppenheimer Holdings Inc.

As of December 31, 2024

Pursuant to Item 601(b)(21)(ii) of Regulation S-K, the names of certain other subsidiaries of Oppenheimer are omitted because, considered in the aggregate as a single subsidiary, they would not constitute a "significant subsidiary" as that term is defined in Rule 1-02(w) of Regulation S-X under the Securities Exchange Act of 1934.

Company			Jurisdiction of Incorporation or Formation
Oppenheimer & Co. Inc.			Delaware
E.A. Viner International Co.			Delaware
Oppenheimer Asset Management Inc.			New York
Oppenheimer Europe Ltd.			United Kingdom