6-K

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FORM6-K

U.S. SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

Commission File Number: 1-15270

For the month of July 2024

NOMURA HOLDINGS, INC.

(Translation of registrant’s name into English)

13-1, Nihonbashi 1-chome

Chuo-ku, Tokyo 103-8645

Japan

(Address ofprincipal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F  X     Form 40-F

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

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Information furnished on this form:

EXHIBIT

Exhibit Number

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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Nomura Issues US Dollar Senior Notes

Tokyo, July 1, 2024 (New York, July 1, 2024)—Nomura Holdings, Inc. has finalized on June 27, 2024, New York time, the terms of its US dollar senior notes (the “Notes”) as set forth below. The Notes are being offered in a global offering outside Japan including a public offering under a shelf registration statement in the United States. Nomura is subject to the Japanese Total Loss-Absorbing Capacity (TLAC) standard from March 31, 2021. The Notes are expected to qualify as TLAC-eligible debt.

(All dates below are in NewYork time)

Outline of senior unsecured floating rate notes due 2027

This news release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any saleof these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such jurisdiction. The issuer has filed a registration statement(including a prospectus and a related prospectus supplement) with the Securities and Exchange Commission for the offering to which this communication relates. Before you invest, you should read the prospectus included in the registration statement,the prospectus supplement relating to the offering and the other documents the issuer has filed with the SEC for more complete information about the issuer and this offering. You may get these documents for free by visiting EDGAR on the SEC web siteat www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus and prospectus supplements relating to the securities offered in this offering, without charge, if yourequest them by contacting your Nomura Sales Representative, Nomura Securities International, Inc., Worldwide Plaza, 309 West 49th Street New York, New York 10019-7316.

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Outline of senior unsecured fixed rate notes due 2034

For further information, please contact:

Nomura

Nomura is a global financial services group with an integrated network spanning approximately 30 countries and regions. By connecting markets East & West, Nomura services the needs of individuals, institutions, corporates and governments through its three business divisions: Wealth Management, Investment Management, and Wholesale (Global Markets and Investment Banking). Founded in 1925, the firm is built on a tradition of disciplined entrepreneurship, serving clients with creative solutions and considered thought leadership. For further information about Nomura, visit www.nomura.com.

This news release shall not constitute an offer to sell or thesolicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any suchjurisdiction. The issuer has filed a registration statement (including a prospectus and a related prospectus supplement) with the Securities and Exchange Commission for the offering to which this communication relates. Before you invest, you shouldread the prospectus included in the registration statement, the prospectus supplement relating to the offering and the other documents the issuer has filed with the SEC for more complete information about the issuer and this offering. You may getthese documents for free by visiting EDGAR on the SEC web site at www.sec.gov. Alternatively, the issuer, any underwriter or any dealer participating in the offering will arrange to send you the prospectus and prospectus supplements relating to thesecurities offered in this offering, without charge, if you request them by contacting your Nomura Sales Representative, Nomura Securities International, Inc., Worldwide Plaza, 309 West 49th Street New York, New York10019-7316.