Banco Santander (SAN) amends 13F after confidential treatment expires; $1.10M reported

Rhea-AI Filing Summary

Banco Santander, S.A. filed an amended Form 13F disclosing holdings reported originally on Form 13F filed 08-01-2025 with confidential treatment that expired on 03-04-2026. The amendment adds new holdings entries and the report lists 1 information table entry with a total value of $1,103,613.

The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

THIS FILING LISTS SECURITIES HOLDINGS REPORTED ON THE FORM 13F FILED ON 08-01-2025 PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT AND FOR WHICH CONFIDENTIAL TREATMENT EXPIRED ON 03-04-2026.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F COVER PAGE

OMB APPROVAL

OMB Number:			3235-0006
Estimated average burden
hours per response:			23.8

Report for the Calendar Year or Quarter Ended: 06-30-2025

Check here if Amendment	X	Amendment Number:	1
This Amendment (Check only one.):		is a restatement.
	X	adds new holdings entries.

Institutional Investment Manager Filing this Report:
Name:	Banco Santander, S.A.
Address:	Ciudad Grupo Santander
	Boadilla del Monte
	Madrid, U3 28660
Form 13F File Number:	028-04177
CRD Number (if applicable):
SEC File Number (if applicable):	001-12518

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name:		Ruben Navajo
Title:		Head of Group Accounting
Phone:		034-615900262
Signature, Place, and Date of Signing:
/s/ Ruben Navajo			Madrid, U3	03-05-2026
[Signature]			[City, State]	[Date]

Report Type (Check only one.):
X	13F 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 reporting manager(s).)
	13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

Form 13F Summary Page
	Report Summary:
	Number of Other Included Managers:		0
	Form 13F Information Table Entry Total:		1
	Form 13F Information Table Value Total:		1,103,613
			(round to nearest dollar)

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state "NONE" and omit the column headings and list entries.]

NONE

FAQ

What does Banco Santander's (SAN) 13F amendment disclose?

The amendment adds new holdings entries and restates certain items. It references the Form 13F filed on 08-01-2025 and notes confidential treatment expired on 03-04-2026, with the filing signed on 03-05-2026.

How many holdings and what total value are reported by SAN in this 13F amendment?

The amended Form 13F shows 1 information table entry and a total reported value of $1,103,613. This figure is the summed value reported on the Form 13F information table within the filing.

Who signed Banco Santander's 13F amendment and when was it signed?

The report is signed by Ruben Navajo, Head of Group Accounting. The signature block shows the filing was signed in Madrid on 03-05-2026 under the reporting manager's authorization.

What does the expired confidential treatment mean in SAN's filing?

Confidential treatment covered holdings reported on the Form 13F filed 08-01-2025 and expired on 03-04-2026. The amendment discloses those previously confidential entries following the expiration per the filing's statement.

Does the 13F amendment indicate multiple managers or included managers for SAN?

The Form 13F summary lists 0 other included managers and explicitly states NONE for a list of other included managers, indicating this report covers the reporting manager's holdings only.