桑坦德银行 2026年季度报告

Washington, D.C. 20549FORM 13F FORM 13F COVER PAGE 12-31-2025 Report for the Calendar Year or Quarter Ended: Amendment Number: Check here if Amendment This Amendment (Check only one.): Institutional Investment Manager Filing this Report: Banco Santander, S.A.Ciudad Grupo SantanderBoadilla del MonteMadrid,U328660028-04177001-12518 Name: Form 13F File Number:CRD Number (if applicable): The institutional investment manager filing this report and the person by whom it is signed hereby represent that theperson signing the report is authorized to submit it, that all information contained herein is true, correct andcomplete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered Person Signing this Report on Behalf of Reporting Manager: Ruben NavajoHead of Group Accounting034-615900262 Name:Title:Phone: Signature, Place, and Date of Signing: Madrid,U3[City, State] /s/ Ruben Navajo [Signature] Report Type (Check only one.): X13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reportingmanager(s).) Form 13F Summary Page Report Summary: Number of Other IncludedManagers: List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F filenumber(s) of all institutional investment managers with