    <SEC-DOCUMENT>0001628280-25-009615-index.html : 20250304
    <SEC-HEADER>0001628280-25-009615.hdr.sgml : 20250304
    <ACCEPTANCE-DATETIME>20250304063945
    ACCESSION NUMBER:		0001628280-25-009615
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20241231
    FILED AS OF DATE:		20250304
    DATE AS OF CHANGE:		20250304
    EFFECTIVENESS DATE:		20250304

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			M&T BANK CORP
    		CENTRAL INDEX KEY:			0000036270
    		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
    		ORGANIZATION NAME:           	02 Finance
    		IRS NUMBER:				160968385
    		STATE OF INCORPORATION:			NY
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-09861
    		FILM NUMBER:		25701414

    	BUSINESS ADDRESS:
    		STREET 1:		C/O LEGAL
    		STREET 2:		ONE M&T PLAZA
    		CITY:			BUFFALO
    		STATE:			NY
    		ZIP:			14203
    		BUSINESS PHONE:		7165593172

    	MAIL ADDRESS:
    		STREET 1:		C/O LEGAL
    		STREET 2:		ONE M&T PLAZA
    		CITY:			BUFFALO
    		STATE:			NY
    		ZIP:			14203

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	FIRST EMPIRE STATE CORP
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>mtb2024annualreport.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: mtb2024annualreport.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>