    <SEC-DOCUMENT>0001132597-25-000054-index.html : 20251229
    <SEC-HEADER>0001132597-25-000054.hdr.sgml : 20251229
    <ACCEPTANCE-DATETIME>20251229080739
    ACCESSION NUMBER:		0001132597-25-000054
    CONFORMED SUBMISSION TYPE:	6-K
    PUBLIC DOCUMENT COUNT:		11
    CONFORMED PERIOD OF REPORT:	20251224
    FILED AS OF DATE:		20251229
    DATE AS OF CHANGE:		20251229

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Itau Unibanco Holding S.A.
    		CENTRAL INDEX KEY:			0001132597
    		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
    		ORGANIZATION NAME:           	02 Finance
    		EIN:				000000000
    		STATE OF INCORPORATION:			D5
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		6-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-15276
    		FILM NUMBER:		251603184

    	BUSINESS ADDRESS:
    		STREET 1:		PC. ALFREDO EGYDIO DE SOUZA ARANHA, 100
    		STREET 2:		TORRE AE, 3 ANDAR, CEP 04344-902
    		CITY:			SAO PAULO
    		STATE:			D5
    		ZIP:			00000
    		BUSINESS PHONE:		55-11-5019-1723

    	MAIL ADDRESS:
    		STREET 1:		PC. ALFREDO EGYDIO DE SOUZA ARANHA, 100
    		STREET 2:		TORRE AE, 3 ANDAR, CEP 04344-902
    		CITY:			SAO PAULO
    		STATE:			D5
    		ZIP:			00000

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	Itau Unibanco Banco Multiplo S.A.
    		DATE OF NAME CHANGE:	20090226

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BANCO ITAU HOLDING FINANCEIRA S A
    		DATE OF NAME CHANGE:	20030319

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	BANCO ITAU SA
    		DATE OF NAME CHANGE:	20010117
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>6-K
    <SEQUENCE>1
    <FILENAME>a6-k_itubx29122025.htm
    <DESCRIPTION>6-K
    <TEXT>
    Document 1 - file: a6-k_itubx29122025.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>poltic2.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: poltic2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>poltic2001.jpg
    <TEXT>
    Document 3 - file: poltic2001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>poltic2002.jpg
    <TEXT>
    Document 4 - file: poltic2002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>poltic2003.jpg
    <TEXT>
    Document 5 - file: poltic2003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>poltic2004.jpg
    <TEXT>
    Document 6 - file: poltic2004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>poltic2005.jpg
    <TEXT>
    Document 7 - file: poltic2005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>poltic2006.jpg
    <TEXT>
    Document 8 - file: poltic2006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>poltic2007.jpg
    <TEXT>
    Document 9 - file: poltic2007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>poltic2008.jpg
    <TEXT>
    Document 10 - file: poltic2008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>poltic2009.jpg
    <TEXT>
    Document 11 - file: poltic2009.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>