野村控股美股招股说明书(2026-07-16版)

The information in this preliminary pricing supplement is not complete and may be changed. This preliminary pricing supplement is not an offerto sell nor does it seek an offer to buy these securities in any jurisdiction where the offer or sale is not permitted. Filed Pursuant to Rule 424(b)(2)Registration Statement Nos. 333-273353333-273353-01 SUBJECT TO COMPLETION. Dated July 15, 2026 PRICING SUPPLEMENT TO THE PROSPECTUS DATED JULY 20, 2023 AND THE PRODUCT PROSPECTUSSUPPLEMENT DATED FEBRUARY 29, 2024 US$Nomura America Finance, LLCSenior Global Medium-Term Notes, Series AFully and Unconditionally Guaranteed by Nomura Holdings, Inc. Step-Down Autocallable Barrier Notes Linked to the Least Performing of the S&P 500®Index and the Russell 2000®Index due July 19, 2028 Nomura America Finance, LLC is offering the step-down autocallable barrier notes linked to the least performing of the S&P 500®Index and the Russell2000®Index (each, a “reference asset” and together, the “reference assets”) due July 19, 2028 (the “notes”) described below. The notes are unsecuredsecurities. Any payment on the notes is subject to our credit risk and that of the guarantor of the notes, Nomura Holdings, Inc.Callable annually at the principal amount plus the applicable call premium (10.55% per annum) on any call observation date on or after July 29, 2027 ifthe closing value of each reference asset is at or above its applicable call barrier level. You will not receive back any fees if notes are automatically called.If the notes are not called, there is full exposure to declines in the least performing reference asset, and you will lose all or a portion of your principalamount at maturity. The reference asset with the lowest reference asset performance is the “least performing reference asset.”Approximately a two year maturity, if not called prior to maturity.The notes will not be listed on any securities exchange.The notes are not ordinary debt securities, and you should carefully consider whether the notes are suited to your particular circumstances. Investing in the notes involves significant risks, including our and Nomura’s credit risk. You should carefully consider the risk factors under“Additional Risk Factors Specific to Your Notes” beginning on page PS-5of this pricing supplement, under “Risk Factors” beginning on page 6 in theaccompanying prospectus, under “Additional Risk Factors Specific to the Notes” beginning on page PS-18 of the accompanying product prospectussupplement, and any risk factors incorporated by reference into the accompanying prospectus before you invest in the notes. The estimated value of your notes at the time the terms of your notes are set on the trade date (as determined by reference to pricing models used byNomura Securities International, Inc.) is expected to be between $953.70 and $983.70 per $1,000 principal amount, which is expected to be less than theprice to public. We expect delivery of the notes will be made against payment therefor on or about the original issue date specified below. The notes will be our unsecured obligations. We are not a bank, and the notes will not constitute deposits insured by the U.S. Federal Deposit InsuranceCorporation or any other governmental agency or instrumentality. Nomura Securities International, Inc., an affiliate of ours acting as distribution agent, will purchase the notes from Nomura America Finance, LLC fordistribution to J.P. Morgan Securities LLC, which we refer to as JPMS LLC, and JPMorgan Chase Bank, N.A., which will act as placement agents for thenotes. The placement agents will forego fees for sales to fiduciary accounts. The total fees represent the amount that the placement agents receive from salesto accounts other than such fiduciary accounts. The placement agents will receive a fee from Nomura or one of our affiliates that will not exceed $4.50 per$1,000 principal amount of notes. See “Supplemental Plan of Distribution (Conflicts of Interest)” herein. We will use this pricing supplement in the initial sale of the notes. In addition, Nomura Securities International, Inc. or another of our affiliates may usethe final pricing supplement in market-making transactions in the notes after their initial sale.Unless we or our agent informs the purchaser otherwise inthe confirmation of sale, the final pricing supplement is being used in a market-making transaction. Neither the Securities and Exchange Commission nor any other regulatory body has approved or disapproved of these securities or passed uponthe accuracy or adequacy of this pricing supplement. Any representation to the contrary is a criminal offense. Nomura July, 2026 ADDITIONAL INFORMATION You should read this pricing supplement together with the prospectus, dated July 20, 2023 (the “prospectus”), and the product prospectus supplement,dated February 29, 2024 (the “product prospectus supplement”), relating to our Senior Global Medium-Term Notes, Series A, of which these note