<SEC-DOCUMENT>0001420506-25-001710-index.html : 20250805
<SEC-HEADER>0001420506-25-001710.hdr.sgml : 20250805
<ACCEPTANCE-DATETIME>20250805171638
ACCESSION NUMBER:		0001420506-25-001710
CONFORMED SUBMISSION TYPE:	13F-HR
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20250630
FILED AS OF DATE:		20250805
DATE AS OF CHANGE:		20250805
EFFECTIVENESS DATE:		20250805

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Main Street Research LLC
		CENTRAL INDEX KEY:			0001513211
		ORGANIZATION NAME:           	
		EIN:				680313978
		STATE OF INCORPORATION:			CT
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		13F-HR
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-14411
		FILM NUMBER:		251186193

	BUSINESS ADDRESS:	
		STREET 1:		342 MAIN STREET
		CITY:			LAKEVILLE
		STATE:			CT
		ZIP:			06039
		BUSINESS PHONE:		860-435-2350

	MAIL ADDRESS:	
		STREET 1:		30 LIBERTY SHIP WAY, SUITE 3330
		CITY:			SAUSALITO
		STATE:			CA
		ZIP:			94965
</SEC-HEADER>
<DOCUMENT>
<TYPE>13F-HR
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>INFORMATION TABLE
<SEQUENCE>2
<FILENAME>Form13F_InfoTable.xml
<DESCRIPTION>INFORMATION TABLE FOR MAIN STREET RESEARCH LLC (8747)
<TEXT>
Document 2 - file: Form13F_InfoTable.html

Document 2 - RAW XML: Form13F_InfoTable.xml

</DOCUMENT>
</SEC-DOCUMENT>