    <SEC-DOCUMENT>0001104659-26-048151-index.html : 20260424
    <SEC-HEADER>0001104659-26-048151.hdr.sgml : 20260424
    <ACCEPTANCE-DATETIME>20260424080005
    ACCESSION NUMBER:		0001104659-26-048151
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		6
    CONFORMED PERIOD OF REPORT:	20260528
    FILED AS OF DATE:		20260424
    DATE AS OF CHANGE:		20260424

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Marathon Bancorp, Inc. /MD/
    		CENTRAL INDEX KEY:			0001835385
    		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTIONS, NOT FEDERALLY CHARTERED [6036]
    		ORGANIZATION NAME:           	02 Finance
    		EIN:				862191258
    		FISCAL YEAR END:			0630

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-42608
    		FILM NUMBER:		26890506

    	BUSINESS ADDRESS:
    		STREET 1:		500 SCOTT STREET
    		CITY:			WAUSAU
    		STATE:			WI
    		ZIP:			54403
    		BUSINESS PHONE:		(715) 845-7331

    	MAIL ADDRESS:
    		STREET 1:		500 SCOTT STREET
    		CITY:			WAUSAU
    		STATE:			WI
    		ZIP:			54403
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>tm2612200d1_def14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: tm2612200d1_def14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>tm2612200d1_def14aimg001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: tm2612200d1_def14aimg001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>tm2612200d1_def14aimg002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: tm2612200d1_def14aimg002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>tm2612200d1_def14aimg003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: tm2612200d1_def14aimg003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>tm2612200d1_def14aimg004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: tm2612200d1_def14aimg004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>tm2612200d1_def14aimg005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: tm2612200d1_def14aimg005.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>