    <SEC-DOCUMENT>0001193125-25-067162-index.html : 20250328
    <SEC-HEADER>0001193125-25-067162.hdr.sgml : 20250328
    <ACCEPTANCE-DATETIME>20250328163245
    ACCESSION NUMBER:		0001193125-25-067162
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20250328
    DATE AS OF CHANGE:		20250328

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Morningstar, Inc.
    		CENTRAL INDEX KEY:			0001289419
    		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
    		ORGANIZATION NAME:           	02 Finance
    		EIN:				363297908
    		STATE OF INCORPORATION:			IL
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-51280
    		FILM NUMBER:		25786914

    	BUSINESS ADDRESS:
    		STREET 1:		22 WEST WASHINGTON STREET
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60602
    		BUSINESS PHONE:		(312) 696-6000

    	MAIL ADDRESS:
    		STREET 1:		22 WEST WASHINGTON STREET
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60602
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>d895979ddefa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: d895979ddefa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g895979g03g03.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g895979g03g03.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g895979g04g04.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g895979g04g04.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>