    <SEC-DOCUMENT>0001104659-25-099557-index.html : 20251015
    <SEC-HEADER>0001104659-25-099557.hdr.sgml : 20251015
    <ACCEPTANCE-DATETIME>20251015090049
    ACCESSION NUMBER:		0001104659-25-099557
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20250630
    FILED AS OF DATE:		20251015
    DATE AS OF CHANGE:		20251015
    EFFECTIVENESS DATE:		20251015

    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:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-42608
    		FILM NUMBER:		251393551

    	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>ARS
    <SEQUENCE>1
    <FILENAME>tm2528237d3_ars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: tm2528237d3_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>